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CVE-2011-4293: Moodle Double-Caches Content, Potentially Writing to a File System's Tmp Directory

May 13, 2022 (updated January 17, 2024)

The theme implementation in Moodle 2.0.x before 2.0.4 and 2.1.x before 2.1.1 triggers duplicate caching of Cascading Style Sheets (CSS) and JavaScript content, which allows remote attackers to bypass intended access restrictions and write to an operating-system temporary directory via unspecified vectors.

References

  • git.moodle.org/gw?p=moodle.git;a=commit;h=e1c2a211f259821910be2cba23679d4176fb00a3
  • moodle.org/mod/forum/discuss.php?d=182736
  • openwall.com/lists/oss-security/2011/11/14/1
  • github.com/advisories/GHSA-wxvp-8q8h-r6rr
  • github.com/moodle/moodle/commit/05f4555422278190ec24a88466ac43c914a7e5d6
  • github.com/moodle/moodle/commit/9a380fbb53429713b3c422a3146456dc97205329
  • github.com/moodle/moodle/commit/e1c2a211f259821910be2cba23679d4176fb00a3
  • nvd.nist.gov/vuln/detail/CVE-2011-4293

Code Behaviors & Features

Detect and mitigate CVE-2011-4293 with GitLab Dependency Scanning

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Affected versions

All versions starting from 2.0 before 2.0.4, all versions starting from 2.1 before 2.1.1

Fixed versions

  • 2.0.4
  • 2.1.1

Solution

Upgrade to versions 2.0.4, 2.1.1 or above.

Impact 6.4 MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:P

Learn more about CVSS

Weakness

  • CWE-264

Source file

packagist/moodle/moodle/CVE-2011-4293.yml

Spotted a mistake? Edit the file on GitLab.

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