GSD-2020-2102
Vulnerability from gsd - Updated: 2023-12-13 01:21Details
Jenkins 2.218 and earlier, LTS 2.204.1 and earlier used a non-constant time comparison function when validating an HMAC.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-2102",
"description": "Jenkins 2.218 and earlier, LTS 2.204.1 and earlier used a non-constant time comparison function when validating an HMAC.",
"id": "GSD-2020-2102",
"references": [
"https://access.redhat.com/errata/RHBA-2020:0675",
"https://access.redhat.com/errata/RHBA-2020:0402"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-2102"
],
"details": "Jenkins 2.218 and earlier, LTS 2.204.1 and earlier used a non-constant time comparison function when validating an HMAC.",
"id": "GSD-2020-2102",
"modified": "2023-12-13T01:21:50.808505Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "jenkinsci-cert@googlegroups.com",
"ID": "CVE-2020-2102",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Jenkins",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_name": "unspecified",
"version_value": "2.218"
}
]
}
}
]
},
"vendor_name": "Jenkins project"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Jenkins 2.218 and earlier, LTS 2.204.1 and earlier used a non-constant time comparison function when validating an HMAC."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1660",
"refsource": "MISC",
"url": "https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1660"
},
{
"name": "http://www.openwall.com/lists/oss-security/2020/01/29/1",
"refsource": "MISC",
"url": "http://www.openwall.com/lists/oss-security/2020/01/29/1"
},
{
"name": "https://access.redhat.com/errata/RHSA-2020:0681",
"refsource": "MISC",
"url": "https://access.redhat.com/errata/RHSA-2020:0681"
},
{
"name": "https://access.redhat.com/errata/RHSA-2020:0683",
"refsource": "MISC",
"url": "https://access.redhat.com/errata/RHSA-2020:0683"
},
{
"name": "https://access.redhat.com/errata/RHBA-2020:0402",
"refsource": "MISC",
"url": "https://access.redhat.com/errata/RHBA-2020:0402"
},
{
"name": "https://access.redhat.com/errata/RHBA-2020:0675",
"refsource": "MISC",
"url": "https://access.redhat.com/errata/RHBA-2020:0675"
}
]
}
},
"gitlab.com": {
"advisories": [
{
"affected_range": "(,2.218]",
"affected_versions": "All versions up to 2.218",
"cvss_v2": "AV:N/AC:M/Au:S/C:P/I:N/A:N",
"cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"cwe_ids": [
"CWE-1035",
"CWE-203",
"CWE-937"
],
"date": "2020-03-17",
"description": "Jenkins uses a non-constant time comparison function when validating an HMAC.",
"fixed_versions": [
"2.219"
],
"identifier": "CVE-2020-2102",
"identifiers": [
"CVE-2020-2102"
],
"not_impacted": "All versions after 2.218",
"package_slug": "maven/org.jenkins-ci.main/jenkins-core",
"pubdate": "2020-01-29",
"solution": "Upgrade to version 2.219 or above.",
"title": "Information Exposure Through Discrepancy",
"urls": [
"https://nvd.nist.gov/vuln/detail/CVE-2020-2102",
"https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1660"
],
"uuid": "1b9dc98d-20e9-4173-9a84-22ae1d2e76f1"
}
]
},
"nvd.nist.gov": {
"configurations": {
"CVE_data_version": "4.0",
"nodes": [
{
"children": [],
"cpe_match": [
{
"cpe23Uri": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*",
"cpe_name": [],
"versionEndIncluding": "2.218",
"vulnerable": true
},
{
"cpe23Uri": "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*",
"cpe_name": [],
"versionEndIncluding": "2.204.1",
"vulnerable": true
}
],
"operator": "OR"
}
]
},
"cve": {
"CVE_data_meta": {
"ASSIGNER": "jenkinsci-cert@googlegroups.com",
"ID": "CVE-2020-2102"
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "en",
"value": "Jenkins 2.218 and earlier, LTS 2.204.1 and earlier used a non-constant time comparison function when validating an HMAC."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "en",
"value": "CWE-203"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1660",
"refsource": "CONFIRM",
"tags": [
"Vendor Advisory"
],
"url": "https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1660"
},
{
"name": "[oss-security] 20200129 Multiple vulnerabilities in Jenkins and Jenkins plugins",
"refsource": "MLIST",
"tags": [
"Mailing List",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2020/01/29/1"
},
{
"name": "RHBA-2020:0675",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHBA-2020:0675"
},
{
"name": "RHBA-2020:0402",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHBA-2020:0402"
},
{
"name": "RHSA-2020:0681",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHSA-2020:0681"
},
{
"name": "RHSA-2020:0683",
"refsource": "REDHAT",
"tags": [],
"url": "https://access.redhat.com/errata/RHSA-2020:0683"
}
]
}
},
"impact": {
"baseMetricV2": {
"acInsufInfo": false,
"cvssV2": {
"accessComplexity": "MEDIUM",
"accessVector": "NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "NONE",
"baseScore": 3.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:M/Au:S/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 6.8,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"severity": "LOW",
"userInteractionRequired": false
},
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 1.6,
"impactScore": 3.6
}
},
"lastModifiedDate": "2023-10-25T18:16Z",
"publishedDate": "2020-01-29T16:15Z"
}
}
}
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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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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.
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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.
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