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CERTFR-2025-AVI-0641
Vulnerability from certfr_avis - Published: 2025-07-31 - Updated: 2025-07-31
De multiples vulnérabilités ont été découvertes dans les produits Splunk. Elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| Splunk | Enterprise Security | Enterprise Security versions antérieures à 8.1.0 | ||
| Splunk | Splunk User Behavior Analytics (UBA) | User Behavior Analytics (UBA) versions antérieures à 5.4.3 |
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Enterprise Security versions ant\u00e9rieures \u00e0 8.1.0",
"product": {
"name": "Enterprise Security",
"vendor": {
"name": "Splunk",
"scada": false
}
}
},
{
"description": "User Behavior Analytics (UBA) versions ant\u00e9rieures \u00e0 5.4.3",
"product": {
"name": "Splunk User Behavior Analytics (UBA)",
"vendor": {
"name": "Splunk",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2024-37370",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-37370"
},
{
"name": "CVE-2024-42459",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42459"
},
{
"name": "CVE-2023-38546",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-38546"
},
{
"name": "CVE-2023-5590",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-5590"
},
{
"name": "CVE-2024-49766",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49766"
},
{
"name": "CVE-2024-42460",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42460"
},
{
"name": "CVE-2025-27144",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-27144"
},
{
"name": "CVE-2024-31141",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-31141"
},
{
"name": "CVE-2022-33987",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-33987"
},
{
"name": "CVE-2024-40635",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-40635"
},
{
"name": "CVE-2024-48948",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-48948"
},
{
"name": "CVE-2025-25977",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-25977"
},
{
"name": "CVE-2024-6763",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-6763"
},
{
"name": "CVE-2024-56128",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-56128"
},
{
"name": "CVE-2022-42898",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-42898"
},
{
"name": "CVE-2024-49767",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-49767"
},
{
"name": "CVE-2024-26461",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26461"
},
{
"name": "CVE-2024-26458",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-26458"
},
{
"name": "CVE-2024-12254",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-12254"
},
{
"name": "CVE-2025-22869",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-22869"
},
{
"name": "CVE-2024-42461",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-42461"
},
{
"name": "CVE-2025-21502",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-21502"
},
{
"name": "CVE-2023-38039",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-38039"
},
{
"name": "CVE-2024-37371",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-37371"
},
{
"name": "CVE-2023-38545",
"url": "https://www.cve.org/CVERecord?id=CVE-2023-38545"
}
],
"initial_release_date": "2025-07-31T00:00:00",
"last_revision_date": "2025-07-31T00:00:00",
"links": [],
"reference": "CERTFR-2025-AVI-0641",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2025-07-31T00:00:00.000000"
}
],
"risks": [
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans les produits Splunk. Elles permettent \u00e0 un attaquant de provoquer un probl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans les produits Splunk",
"vendor_advisories": [
{
"published_at": "2025-07-30",
"title": "Bulletin de s\u00e9curit\u00e9 Splunk SVD-2025-0715",
"url": "https://advisory.splunk.com/advisories/SVD-2025-0715"
},
{
"published_at": "2025-07-30",
"title": "Bulletin de s\u00e9curit\u00e9 Splunk SVD-2025-0713",
"url": "https://advisory.splunk.com/advisories/SVD-2025-0713"
},
{
"published_at": "2025-07-30",
"title": "Bulletin de s\u00e9curit\u00e9 Splunk SVD-2025-0714",
"url": "https://advisory.splunk.com/advisories/SVD-2025-0714"
}
]
}
CVE-2024-37370 (GCVE-0-2024-37370)
Vulnerability from cvelistv5 – Published: 2024-06-28 00:00 – Updated: 2026-05-12 11:54
VLAI
EPSS
Summary
In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-345 - Insufficient Verification of Data Authenticity
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
{
"containers": {
"adp": [
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"metrics": [
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
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"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
},
{
"other": {
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"options": [
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}
],
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"timestamp": "2024-07-01T15:25:49.407050Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-345",
"description": "CWE-345 Insufficient Verification of Data Authenticity",
"lang": "en",
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}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-18T15:49:01.684Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-11-08T15:02:50.736Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"references": [
{
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],
"url": "https://web.mit.edu/kerberos/www/advisories/"
},
{
"tags": [
"x_transferred"
],
"url": "https://github.com/krb5/krb5/commit/55fbf435edbe2e92dd8101669b1ce7144bc96fef"
},
{
"url": "https://security.netapp.com/advisory/ntap-20241108-0007/"
}
],
"title": "CVE Program Container"
},
{
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},
{
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"vendor": "Siemens",
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"version": "V3.1.5",
"versionType": "custom"
}
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}
],
"providerMetadata": {
"dateUpdated": "2026-05-12T11:54:31.271Z",
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP"
},
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"
}
],
"x_adpType": "supplier"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-06-28T22:04:28.292Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://web.mit.edu/kerberos/www/advisories/"
},
{
"url": "https://github.com/krb5/krb5/commit/55fbf435edbe2e92dd8101669b1ce7144bc96fef"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
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"datePublished": "2024-06-28T00:00:00.000Z",
"dateReserved": "2024-06-06T00:00:00.000Z",
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"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
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}
CVE-2024-37371 (GCVE-0-2024-37371)
Vulnerability from cvelistv5 – Published: 2024-06-28 00:00 – Updated: 2026-05-12 11:54
VLAI
EPSS
Summary
In MIT Kerberos 5 (aka krb5) before 1.21.3, an attacker can cause invalid memory reads during GSS message token handling by sending message tokens with invalid length fields.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-125 - Out-of-bounds Read
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP |
Affected:
V3.1.5 , < *
(custom)
|
{
"containers": {
"adp": [
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"metrics": [
{
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"attackVector": "NETWORK",
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"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"version": "3.1"
}
},
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"options": [
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},
{
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{
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}
],
"role": "CISA Coordinator",
"timestamp": "2024-07-09T15:31:33.769366Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
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{
"cweId": "CWE-125",
"description": "CWE-125 Out-of-bounds Read",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-03-13T20:28:07.509Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-03T20:38:01.079Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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},
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{
"tags": [
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],
"url": "https://web.mit.edu/kerberos/www/advisories/"
},
{
"tags": [
"x_transferred"
],
"url": "https://github.com/krb5/krb5/commit/55fbf435edbe2e92dd8101669b1ce7144bc96fef"
},
{
"url": "https://security.netapp.com/advisory/ntap-20241108-0009/"
},
{
"url": "https://security.netapp.com/advisory/ntap-20250124-0010/"
}
],
"title": "CVE Program Container"
},
{
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{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
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"versionType": "custom"
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{
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"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
"vendor": "Siemens",
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"versionType": "custom"
}
]
},
{
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"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
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"version": "V3.1.5",
"versionType": "custom"
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]
},
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"vendor": "Siemens",
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]
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"vendor": "Siemens",
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"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
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}
],
"x_adpType": "supplier"
}
],
"cna": {
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{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
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}
],
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},
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},
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}
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},
"cveMetadata": {
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"assignerShortName": "mitre",
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"datePublished": "2024-06-28T00:00:00.000Z",
"dateReserved": "2024-06-06T00:00:00.000Z",
"dateUpdated": "2026-05-12T11:54:32.455Z",
"state": "PUBLISHED"
},
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}
CVE-2024-40635 (GCVE-0-2024-40635)
Vulnerability from cvelistv5 – Published: 2025-03-17 21:32 – Updated: 2025-05-04 22:02
VLAI
EPSS
Title
containerd has an integer overflow in User ID handling
Summary
containerd is an open-source container runtime. A bug was found in containerd prior to versions 1.6.38, 1.7.27, and 2.0.4 where containers launched with a User set as a `UID:GID` larger than the maximum 32-bit signed integer can cause an overflow condition where the container ultimately runs as root (UID 0). This could cause unexpected behavior for environments that require containers to run as a non-root user. This bug has been fixed in containerd 1.6.38, 1.7.27, and 2.04. As a workaround, ensure that only trusted images are used and that only trusted users have permissions to import images.
Severity
4.6 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/containerd/containerd/security… | x_refsource_CONFIRM |
| https://github.com/containerd/containerd/commit/0… | x_refsource_MISC |
| https://github.com/containerd/containerd/commit/1… | x_refsource_MISC |
| https://github.com/containerd/containerd/commit/c… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| containerd | containerd |
Affected:
< 1.6.38
Affected: >= 1.7.0-beta.0, < 1.7.27 Affected: >= 2.0.0-beta.0, < 2.0.4 |
{
"containers": {
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{
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{
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"options": [
{
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},
{
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},
{
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}
],
"role": "CISA Coordinator",
"timestamp": "2025-03-18T14:17:05.162920Z",
"version": "2.0.3"
},
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}
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
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CVE-2024-42459 (GCVE-0-2024-42459)
Vulnerability from cvelistv5 – Published: 2024-08-02 00:00 – Updated: 2025-11-03 22:04
VLAI
EPSS
Summary
In the Elliptic package 6.5.6 for Node.js, EDDSA signature malleability occurs because there is a missing signature length check, and thus zero-valued bytes can be removed or appended.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| elliptic_project | elliptic |
Affected:
6.5.6
cpe:2.3:a:elliptic_project:elliptic:6.5.6:*:*:*:*:node.js:*:* |
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CVE-2024-42460 (GCVE-0-2024-42460)
Vulnerability from cvelistv5 – Published: 2024-08-02 00:00 – Updated: 2025-11-03 22:04
VLAI
EPSS
Summary
In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because there is a missing check for whether the leading bit of r and s is zero.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-130 - Improper Handling of Length Parameter Inconsistency
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| elliptic_project | elliptic |
Affected:
6.5.6
cpe:2.3:a:elliptic_project:elliptic:6.5.6:*:*:*:*:node.js:*:* |
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CVE-2024-42461 (GCVE-0-2024-42461)
Vulnerability from cvelistv5 – Published: 2024-08-02 00:00 – Updated: 2025-11-03 22:04
VLAI
EPSS
Summary
In the Elliptic package 6.5.6 for Node.js, ECDSA signature malleability occurs because BER-encoded signatures are allowed.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| elliptic_project | elliptic |
Affected:
6.5.6
cpe:2.3:a:elliptic_project:elliptic:6.5.6:*:*:*:*:node.js:*:* |
{
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"product": "elliptic",
"vendor": "elliptic_project",
"versions": [
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"version": "6.5.6"
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
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CVE-2024-48948 (GCVE-0-2024-48948)
Vulnerability from cvelistv5 – Published: 2024-10-15 00:00 – Updated: 2025-11-25 15:41
VLAI
EPSS
Summary
The Elliptic package 6.5.7 for Node.js, in its for ECDSA implementation, does not correctly verify valid signatures if the hash contains at least four leading 0 bytes and when the order of the elliptic curve's base point is smaller than the hash, because of an _truncateToN anomaly. This leads to valid signatures being rejected. Legitimate transactions or communications may be incorrectly flagged as invalid.
Severity
4.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:nodejs:elliptic:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "elliptic",
"vendor": "nodejs",
"versions": [
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"status": "affected",
"version": "6.5.7"
}
]
}
],
"metrics": [
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"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 4.8,
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"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"version": "3.1"
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},
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"vendor": "n/a",
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}
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"references": [
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},
{
"url": "https://github.com/indutny/elliptic/issues/321"
},
{
"url": "https://blog.trailofbits.com/2025/11/18/we-found-cryptography-bugs-in-the-elliptic-library-using-wycheproof/"
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CVE-2024-49766 (GCVE-0-2024-49766)
Vulnerability from cvelistv5 – Published: 2024-10-25 19:22 – Updated: 2025-01-31 15:02
VLAI
EPSS
Title
Werkzeug safe_join not safe on Windows
Summary
Werkzeug is a Web Server Gateway Interface web application library. On Python < 3.11 on Windows, os.path.isabs() does not catch UNC paths like //server/share. Werkzeug's safe_join() relies on this check, and so can produce a path that is not safe, potentially allowing unintended access to data. Applications using Python >= 3.11, or not using Windows, are not vulnerable. Werkzeug version 3.0.6 contains a patch.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/pallets/werkzeug/security/advi… | x_refsource_CONFIRM |
| https://github.com/pallets/werkzeug/commit/2767bc… | x_refsource_MISC |
| https://github.com/pallets/werkzeug/releases/tag/3.0.6 | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2025013… |
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CVE-2024-49767 (GCVE-0-2024-49767)
Vulnerability from cvelistv5 – Published: 2024-10-25 19:41 – Updated: 2026-05-20 22:24
VLAI
EPSS
Title
Werkzeug possible resource exhaustion when parsing file data in forms
Summary
Werkzeug is a Web Server Gateway Interface web application library. Applications using `werkzeug.formparser.MultiPartParser` corresponding to a version of Werkzeug prior to 3.0.6 to parse `multipart/form-data` requests (e.g. all flask applications) are vulnerable to a relatively simple but effective resource exhaustion (denial of service) attack. A specifically crafted form submission request can cause the parser to allocate and block 3 to 8 times the upload size in main memory. There is no upper limit; a single upload at 1 Gbit/s can exhaust 32 GB of RAM in less than 60 seconds. Werkzeug version 3.0.6 fixes this issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/pallets/werkzeug/security/advi… | x_refsource_CONFIRM |
| https://github.com/pallets/quart/commit/5e78c4169… | x_refsource_MISC |
| https://github.com/pallets/quart/commit/abb04a512… | x_refsource_MISC |
| https://github.com/pallets/werkzeug/commit/50cfee… | x_refsource_MISC |
| https://github.com/pallets/werkzeug/releases/tag/3.0.6 | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2025010… |
Impacted products
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CVE-2024-56128 (GCVE-0-2024-56128)
Vulnerability from cvelistv5 – Published: 2024-12-18 13:38 – Updated: 2024-12-18 17:02
VLAI
EPSS
Title
Apache Kafka: SCRAM authentication vulnerable to replay attacks when used without encryption
Summary
Incorrect Implementation of Authentication Algorithm in Apache Kafka's SCRAM implementation.
Issue Summary:
Apache Kafka's implementation of the Salted Challenge Response Authentication Mechanism (SCRAM) did not fully adhere to the requirements of RFC 5802 [1].
Specifically, as per RFC 5802, the server must verify that the nonce sent by the client in the second message matches the nonce sent by the server in its first message.
However, Kafka's SCRAM implementation did not perform this validation.
Impact:
This vulnerability is exploitable only when an attacker has plaintext access to the SCRAM authentication exchange. However, the usage of SCRAM over plaintext is strongly
discouraged as it is considered an insecure practice [2]. Apache Kafka recommends deploying SCRAM exclusively with TLS encryption to protect SCRAM exchanges from interception [3].
Deployments using SCRAM with TLS are not affected by this issue.
How to Detect If You Are Impacted:
If your deployment uses SCRAM authentication over plaintext communication channels (without TLS encryption), you are likely impacted.
To check if TLS is enabled, review your server.properties configuration file for listeners property. If you have SASL_PLAINTEXT in the listeners, then you are likely impacted.
Fix Details:
The issue has been addressed by introducing nonce verification in the final message of the SCRAM authentication exchange to ensure compliance with RFC 5802.
Affected Versions:
Apache Kafka versions 0.10.2.0 through 3.9.0, excluding the fixed versions below.
Fixed Versions:
3.9.0
3.8.1
3.7.2
Users are advised to upgrade to 3.7.2 or later to mitigate this issue.
Recommendations for Mitigation:
Users unable to upgrade to the fixed versions can mitigate the issue by:
- Using TLS with SCRAM Authentication:
Always deploy SCRAM over TLS to encrypt authentication exchanges and protect against interception.
- Considering Alternative Authentication Mechanisms:
Evaluate alternative authentication mechanisms, such as PLAIN, Kerberos or OAuth with TLS, which provide additional layers of security.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-303 - Incorrect Implementation of Authentication Algorithm
Assigner
References
5 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Kafka |
Affected:
0.10.2.0 , < 3.7.2
(semver)
Affected: 3.8.0 (semver) |
Credits
Tim Fox (timvolpe@gmail.com)
Vikas Singh <vikas@confluent.io>
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"type": "CWE"
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"url": "https://datatracker.ietf.org/doc/html/rfc5802#section-9"
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"url": "https://lists.apache.org/thread/84dh4so32lwn7wr6c5s9mwh381vx9wkw"
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"discovery": "EXTERNAL"
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"title": "Apache Kafka: SCRAM authentication vulnerable to replay attacks when used without encryption",
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"datePublished": "2024-12-18T13:38:03.068Z",
"dateReserved": "2024-12-16T14:52:48.326Z",
"dateUpdated": "2024-12-18T17:02:47.926Z",
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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