GHSA-3GV2-29QC-V67M
Vulnerability from github – Published: 2023-02-01 18:48 – Updated: 2025-02-13 18:36
VLAI?
Summary
Symfony vulnerable to Session Fixation of CSRF tokens
Details
Description
When authenticating users Symfony by default regenerates the session ID upon login, but preserves the rest of session attributes. Because this does not clear CSRF tokens upon login, this might enables same-site attackers to bypass the CSRF protection mechanism by performing an attack similar to a session-fixation.
Resolution
Symfony removes all CSRF tokens from the session on successful login.
The patch for this issue is available here for branch 4.4.
Credits
We would like to thank Marco Squarcina for reporting the issue and Nicolas Grekas for fixing it.
Severity ?
6.3 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/security-bundle"
},
"ranges": [
{
"events": [
{
"introduced": "2.0.0"
},
{
"fixed": "4.4.50"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/security-bundle"
},
"ranges": [
{
"events": [
{
"introduced": "5.0.0"
},
{
"fixed": "5.4.20"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/security-bundle"
},
"ranges": [
{
"events": [
{
"introduced": "6.0.0"
},
{
"fixed": "6.0.20"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/security-bundle"
},
"ranges": [
{
"events": [
{
"introduced": "6.1.0"
},
{
"fixed": "6.1.12"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/security-bundle"
},
"ranges": [
{
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.2.6"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/symfony"
},
"ranges": [
{
"events": [
{
"introduced": "2.0.0"
},
{
"fixed": "4.4.50"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/symfony"
},
"ranges": [
{
"events": [
{
"introduced": "5.0.0"
},
{
"fixed": "5.4.20"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/symfony"
},
"ranges": [
{
"events": [
{
"introduced": "6.0.0"
},
{
"fixed": "6.0.20"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/symfony"
},
"ranges": [
{
"events": [
{
"introduced": "6.1.0"
},
{
"fixed": "6.1.12"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Packagist",
"name": "symfony/symfony"
},
"ranges": [
{
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.2.6"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2022-24895"
],
"database_specific": {
"cwe_ids": [
"CWE-384",
"CWE-613"
],
"github_reviewed": true,
"github_reviewed_at": "2023-02-01T18:48:06Z",
"nvd_published_at": "2023-02-03T22:15:00Z",
"severity": "MODERATE"
},
"details": "Description\n-----------\n\nWhen authenticating users Symfony by default regenerates the session ID upon login, but preserves the rest of session attributes. Because this does not clear CSRF tokens upon login, this might enables [same-site attackers](https://canitakeyoursubdomain.name/) to bypass the CSRF protection mechanism by performing an attack similar to a session-fixation.\n\nResolution\n----------\n\nSymfony removes all CSRF tokens from the session on successful login.\n\nThe patch for this issue is available [here](https://github.com/symfony/symfony/commit/5909d74ecee359ea4982fcf4331aaf2e489a1fd4) for branch 4.4.\n\nCredits\n-------\n\nWe would like to thank Marco Squarcina for reporting the issue and Nicolas Grekas for fixing it.",
"id": "GHSA-3gv2-29qc-v67m",
"modified": "2025-02-13T18:36:42Z",
"published": "2023-02-01T18:48:06Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/symfony/symfony/security/advisories/GHSA-3gv2-29qc-v67m"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-24895"
},
{
"type": "WEB",
"url": "https://github.com/symfony/security-bundle/commit/076fd2088ada33d760758d98ff07ddedbf567946"
},
{
"type": "WEB",
"url": "https://github.com/symfony/symfony/commit/5909d74ecee359ea4982fcf4331aaf2e489a1fd4"
},
{
"type": "WEB",
"url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-bundle/CVE-2022-24895.yaml"
},
{
"type": "WEB",
"url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2022-24895.yaml"
},
{
"type": "PACKAGE",
"url": "https://github.com/symfony/symfony"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00014.html"
},
{
"type": "WEB",
"url": "https://symfony.com/cve-2022-24895"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
}
],
"summary": "Symfony vulnerable to Session Fixation of CSRF tokens"
}
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Sightings
| Author | Source | Type | Date |
|---|
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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