Vulnerability · Published Apr 9, 2024 · Assigned by GitHub_M
CVE-2024-28235Contao possible cookie sharing with external domains while checking protected pages for broken links
High 8.4
In plain English
A high-severity information exposure in contao from contao. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | contao/core-bundle | 4.13.40 | GHSA-9jh5-qf84-x6pr |
| Packagist | contao/core-bundle | 5.3.4 | GHSA-9jh5-qf84-x6pr |
Affected products (as reported)
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
References
- https://github.com/contao/contao/security/advisories/GHSA-9jh5-qf84-x6pr x_refsource_CONFIRM
- https://github.com/contao/contao/commit/73a2770e2d3535ec9f1b03d54be00e56ebb8ff16 x_refsource_MISC
- https://github.com/contao/contao/commit/79b7620d01ce8f46ce2b331455e0d95e5208de3d x_refsource_MISC
- https://contao.org/en/security-advisories/session-cookie-disclosure-in-the-crawler x_refsource_MISC
- https://github.com/contao/contao/blob/14e9ef4bc8b82936ba2d0e04164581145a075e2a/core-bundle/src/Resources/contao/classes/Crawl.php#L129 x_refsource_MISC