CVE-2024-51755

NameCVE-2024-51755
DescriptionTwig is a template language for PHP. In a sandbox, an attacker can access attributes of Array-like objects as they were not checked by the security policy. They are now checked via the property policy and the `__isset()` method is now called after the security check. This is a BC break. This issue has been patched in versions 3.11.2 and 3.14.1. All users are advised to upgrade. There are no known workarounds for this issue.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1086884

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php-twig (PTS)bullseye2.14.3-1+deb11u2vulnerable
bullseye (security)2.14.3-1+deb11u3vulnerable
bookworm (security), bookworm3.5.1-1+deb12u1vulnerable
trixie3.14.2-3fixed
sid3.17.1-2fixed
twig (PTS)jessie, jessie (lts)1.16.2-1+deb8u1vulnerable
stretch (security), stretch (lts), stretch1.24.0-2+deb9u1vulnerable
buster (security), buster, buster (lts)2.6.2-2+deb10u1vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php-twigsource(unstable)3.14.2-11086884
twigsourcejessie(unfixed)end-of-life
twigsourcestretch(unfixed)end-of-life
twigsourcebuster(unfixed)end-of-life
twigsource(unstable)(unfixed)

Notes

[bookworm] - php-twig <no-dsa> (Minor issue)
[bullseye] - php-twig <postponed> (Minor template sandbox escape, backward-compatibility issue)
https://github.com/twigphp/Twig/security/advisories/GHSA-jjxq-ff2g-95vh
Fixed by: https://github.com/twigphp/Twig/commit/831c148e786178e5f2fde9db67266be3bf241c21 (v3.14.1)

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