| Name | CVE-2018-3740 |
| Description | A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4358-1 |
| Debian Bugs | 893610 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ruby-sanitize (PTS) | bullseye (security), bullseye | 5.2.1-2+deb11u1 | fixed |
| bookworm, bookworm (security) | 6.0.0-1.1+deb12u1 | fixed |
| trixie | 6.0.2-2 | fixed |
| sid | 7.0.0-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[jessie] - ruby-sanitize <ignored> (Only occurs with libxml2 >= 2.9.2, jessie has 2.9.1)
https://github.com/rgrove/sanitize/issues/176
https://github.com/rgrove/sanitize/commit/01629a162e448a83d901456d0ba8b65f3b03d46e (v4.6.3)
Fixes for 2.1.x: https://github.com/rgrove/sanitize/compare/v2.1.0...v2.1.1
Only an issue in combination with libxml2 >= 2.9.2
The 'fragment' method was renamed from 'clean' method in earlier version
in v3.0.0