CVE-2024-28235
HIGH severity · CVSS 8.3 · Information disclosure
8.3CVSS HIGH
Summary
Contao is an open source content management system. Starting in version 4.9.0 and prior to versions 4.13.40 and 5.3.4, when checking for broken links on protected pages, Contao sends the cookie header to external urls as well, the passed options for the http client are used for all requests. Contao versions 4.13.40 and 5.3.4 have a patch for this issue. As a workaround, disable crawling protected pages.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/contao/contao/commit/73a2770e2d3535ec9f1b03d54be00e56ebb8ff16 ↗
Additional information
- NVD record
- https://github.com/contao/contao/commit/73a2770e2d3535ec9f1b03d54be00e56ebb8ff16Patch
- https://github.com/contao/contao/commit/79b7620d01ce8f46ce2b331455e0d95e5208de3dPatch
- https://contao.org/en/security-advisories/session-cookie-disclosure-in-the-crawlerAdvisory
- https://github.com/contao/contao/security/advisories/GHSA-9jh5-qf84-x6prAdvisory
- https://github.com/contao/contao/blob/14e9ef4bc8b82936ba2d0e04164581145a075e2a/core-bundle/src/Resources/contao/classes/Crawl.php#L129