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4 vulnerabilities found for m2crypto by m2crypto_project
CVE-2023-50781 (GCVE-0-2023-50781)
Vulnerability from nvd – Published: 2024-02-05 20:45 – Updated: 2026-05-12 11:02
VLAI
Title
M2crypto: bleichenbacher timing attacks in the rsa decryption api - incomplete fix for cve-2020-25657
Summary
A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-203 - Observable Discrepancy
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-50781 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2254426 | issue-trackingx_refsource_REDHAT |
| https://cert-portal.siemens.com/productcert/html/… |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Update Infrastructure 4 for Cloud Providers |
cpe:/a:redhat:rhui:4::el8 |
|
| Red Hat | Red Hat Virtualization 4 |
cpe:/o:redhat:rhev_hypervisor:4 |
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
Date Public
2023-12-13 00:00
Credits
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CVE-2020-25657 (GCVE-0-2020-25657)
Vulnerability from nvd – Published: 2021-01-12 14:33 – Updated: 2024-08-04 15:40
VLAI
Summary
A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1889823 | x_refsource_MISC |
Impacted products
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CVE-2023-50781 (GCVE-0-2023-50781)
Vulnerability from cvelistv5 – Published: 2024-02-05 20:45 – Updated: 2026-05-12 11:02
VLAI
Title
M2crypto: bleichenbacher timing attacks in the rsa decryption api - incomplete fix for cve-2020-25657
Summary
A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-203 - Observable Discrepancy
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2023-50781 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2254426 | issue-trackingx_refsource_REDHAT |
| https://cert-portal.siemens.com/productcert/html/… |
Impacted products
8 products
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
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cpe:/o:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Update Infrastructure 4 for Cloud Providers |
cpe:/a:redhat:rhui:4::el8 |
|
| Red Hat | Red Hat Virtualization 4 |
cpe:/o:redhat:rhev_hypervisor:4 |
|
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
Date Public
2023-12-13 00:00
Credits
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CVE-2020-25657 (GCVE-0-2020-25657)
Vulnerability from cvelistv5 – Published: 2021-01-12 14:33 – Updated: 2024-08-04 15:40
VLAI
Summary
A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.
Severity
No CVSS data available.
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1889823 | x_refsource_MISC |
Impacted products
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"value": "A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality."
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-385",
"description": "CWE-385",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2021-03-08T14:54:06.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1889823"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2020-25657",
"datePublished": "2021-01-12T14:33:02.000Z",
"dateReserved": "2020-09-16T00:00:00.000Z",
"dateUpdated": "2024-08-04T15:40:36.257Z",
"state": "PUBLISHED"
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