| Name | CVE-2018-16470 |
| Description | There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size. |
| 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 | 913003 |
Vulnerable and fixed packages
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 |
|---|
| ruby-rack | source | experimental | 2.0.6-1 | | | 913003 |
| ruby-rack | source | (unstable) | (not affected) | | | |
Notes
- ruby-rack <not-affected> (Only affects >= 2.0.4)
Introduced by: https://github.com/rack/rack/commit/c43217a81917de03aa6ceb1aa485ae69b8bb4598 (2.0.4)
Fixed by: https://github.com/rack/rack/commit/37c1160b2360074d20858792f23a7eb3afeabebd (2.0.6)