| Name | CVE-2012-6109 |
| Description | lib/rack/multipart.rb in Rack before 1.1.4, 1.2.x before 1.2.6, 1.3.x before 1.3.7, and 1.4.x before 1.4.2 uses an incorrect regular expression, which allows remote attackers to cause a denial of service (infinite loop) via a crafted Content-Disposion header. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 698440 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| ruby-rack (PTS) | jessie, jessie (lts) | 1.5.2-3+deb8u4 | fixed |
| stretch (security) | 1.6.4-4+deb9u2 | fixed | |
| stretch (lts), stretch | 1.6.4-4+deb9u6 | fixed | |
| buster (security), buster, buster (lts) | 2.0.6-3+deb10u4 | fixed | |
| bullseye (security), bullseye | 2.1.4-3+deb11u2 | fixed | |
| bookworm (security), bookworm | 2.2.6.4-1+deb12u1 | fixed | |
| sid, trixie | 2.2.7-1.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| librack-ruby | source | squeeze | (not affected) | |||
| librack-ruby | source | (unstable) | (unfixed) | |||
| ruby-rack | source | (unstable) | 1.4.1-2.1 | 698440 |
[squeeze] - librack-ruby <not-affected> (vulnerable code not present)
https://github.com/rack/rack/commit/4fc44671b3cad569421f4f8b775c0590b86f575e
https://groups.google.com/forum/#!msg/rack-devel/1w4_fWEgTdI/XAkSNHjtdTsJ