CVE-2023-2968 (GCVE-0-2023-2968)
Vulnerability from cvelistv5 – Published: 2023-05-30 17:37 – Updated: 2025-01-09 21:21
VLAI
EPSS
VEX
Title
Undefined variable usage in npm package "proxy" leads to remote denial of service
Summary
A remote attacker can trigger a denial of service in the socket.remoteAddress variable, by sending a crafted HTTP request. Usage of the undefined variable raises a TypeError exception.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-09 21:20 UTC
CWE
Assigner
References
1 reference
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T06:41:03.797Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://research.jfrog.com/vulnerabilities/undefined-variable-usage-in-proxy-leads-to-remote-denial-of-service-xray-520917"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-2968",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-01-09T21:20:42.543069Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-01-09T21:21:19.735Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://www.npmjs.com",
"packageName": "proxy",
"versions": [
{
"lessThan": "2.1.1",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eA remote attacker can trigger a denial of service in the socket.remoteAddress variable, by sending a crafted HTTP request. Usage of the undefined variable raises a TypeError exception.\u003c/p\u003e"
}
],
"value": "A remote attacker can trigger a denial of service in the socket.remoteAddress variable, by sending a crafted HTTP request. Usage of the undefined variable raises a TypeError exception.\n\n"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-232",
"description": "CWE-232",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-05-30T17:37:45.166Z",
"orgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
"shortName": "JFROG"
},
"references": [
{
"url": "https://research.jfrog.com/vulnerabilities/undefined-variable-usage-in-proxy-leads-to-remote-denial-of-service-xray-520917"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Undefined variable usage in npm package \"proxy\" leads to remote denial of service"
}
},
"cveMetadata": {
"assignerOrgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
"assignerShortName": "JFROG",
"cveId": "CVE-2023-2968",
"datePublished": "2023-05-30T17:37:45.166Z",
"dateReserved": "2023-05-29T21:15:17.688Z",
"dateUpdated": "2025-01-09T21:21:19.735Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2023-2968",
"date": "2026-09-21",
"epss": "0.01478",
"percentile": "0.72317"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"collectionURL": "https://www.npmjs.com",
"packageName": "proxy",
"versions": [
{
"lessThan": "2.1.1",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"source": "reefs@jfrog.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:proxy_project:proxy:2.0.0:*:*:*:*:node.js:*:*",
"matchCriteriaId": "EA869EEF-BBAA-4023-AC46-1319DE4B47D4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:proxy_project:proxy:2.1.1:*:*:*:*:node.js:*:*",
"matchCriteriaId": "5BDB97E8-1821-449C-B357-C3BB730D9061",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A remote attacker can trigger a denial of service in the socket.remoteAddress variable, by sending a crafted HTTP request. Usage of the undefined variable raises a TypeError exception.\n\n"
}
],
"id": "CVE-2023-2968",
"lastModified": "2026-06-17T05:53:54.170",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "reefs@jfrog.com",
"type": "Secondary"
},
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-2968",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-01-09T21:20:42.543069Z",
"version": "2.0.3"
}
}
]
},
"published": "2023-05-30T18:15:09.997",
"references": [
{
"source": "reefs@jfrog.com",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://research.jfrog.com/vulnerabilities/undefined-variable-usage-in-proxy-leads-to-remote-denial-of-service-xray-520917"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://research.jfrog.com/vulnerabilities/undefined-variable-usage-in-proxy-leads-to-remote-denial-of-service-xray-520917"
}
],
"sourceIdentifier": "reefs@jfrog.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-232"
}
],
"source": "reefs@jfrog.com",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-05-29T00:35:08+00:00",
"cve": "CVE-2023-2968",
"id": "CVE-2023-2968",
"initial_release_date": "2023-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "Undefined variable usage in npm package \"proxy\" leads to remote denial of service",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-2968.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-02T06:41:03.797Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://research.jfrog.com/vulnerabilities/undefined-variable-usage-in-proxy-leads-to-remote-denial-of-service-xray-520917"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-2968",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-01-09T21:20:42.543069Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-01-09T21:20:48.570Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"collectionURL": "https://www.npmjs.com",
"packageName": "proxy",
"versions": [
{
"lessThan": "2.1.1",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\u003cp\u003eA remote attacker can trigger a denial of service in the socket.remoteAddress variable, by sending a crafted HTTP request. Usage of the undefined variable raises a TypeError exception.\u003c/p\u003e"
}
],
"value": "A remote attacker can trigger a denial of service in the socket.remoteAddress variable, by sending a crafted HTTP request. Usage of the undefined variable raises a TypeError exception.\n\n"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-232",
"description": "CWE-232",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-05-30T17:37:45.166Z",
"orgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
"shortName": "JFROG"
},
"references": [
{
"url": "https://research.jfrog.com/vulnerabilities/undefined-variable-usage-in-proxy-leads-to-remote-denial-of-service-xray-520917"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Undefined variable usage in npm package \"proxy\" leads to remote denial of service"
}
},
"cveMetadata": {
"assignerOrgId": "48a46f29-ae42-4e1d-90dd-c1676c1e5e6d",
"assignerShortName": "JFROG",
"cveId": "CVE-2023-2968",
"datePublished": "2023-05-30T17:37:45.166Z",
"dateReserved": "2023-05-29T21:15:17.688Z",
"dateUpdated": "2025-01-09T21:21:19.735Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
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.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…