ghsa-w2hv-rcqr-2h7r
Vulnerability from github
Published
2022-05-24 17:46
Modified
2022-12-13 16:47
Severity
Summary
View name validation bypass in Jenkins
Details
Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view has an allowed name. When a form to create a view is submitted, the name is included twice in the submission. One instance is validated, but the other instance is used to create the value.
This allows attackers with View/Create permission to create views with invalid or already-used names.
Jenkins 2.287, LTS 2.277.2 uses the same submitted value for validation and view creation.
{
"affected": [
{
"package": {
"ecosystem": "Maven",
"name": "org.jenkins-ci.main:jenkins-core"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.277.2"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 2.286"
},
"package": {
"ecosystem": "Maven",
"name": "org.jenkins-ci.main:jenkins-core"
},
"ranges": [
{
"events": [
{
"introduced": "2.278"
},
{
"fixed": "2.287"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2021-21640"
],
"database_specific": {
"cwe_ids": [
"CWE-240"
],
"github_reviewed": true,
"github_reviewed_at": "2022-06-23T06:49:47Z",
"nvd_published_at": "2021-04-07T14:15:00Z",
"severity": "MODERATE"
},
"details": "Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view has an allowed name. When a form to create a view is submitted, the name is included twice in the submission. One instance is validated, but the other instance is used to create the value.\n\nThis allows attackers with View/Create permission to create views with invalid or already-used names.\n\nJenkins 2.287, LTS 2.277.2 uses the same submitted value for validation and view creation.",
"id": "GHSA-w2hv-rcqr-2h7r",
"modified": "2022-12-13T16:47:01Z",
"published": "2022-05-24T17:46:47Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-21640"
},
{
"type": "WEB",
"url": "https://github.com/jenkinsci/jenkins/commit/42e2c74049ddf5e0aca1fe6aadc7b24fdabb5494"
},
{
"type": "PACKAGE",
"url": "https://github.com/jenkinsci/jenkins"
},
{
"type": "WEB",
"url": "https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1871"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2021/04/07/2"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "View name validation bypass in Jenkins"
}
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