| Name | CVE-2017-6181 |
| Description | The parse_char_class function in regparse.c in the Onigmo (aka Oniguruma-mod) regular expression library, as used in Ruby 2.4.0, allows remote attackers to cause a denial of service (deep recursion and application crash) via a crafted regular expression. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ruby2.1 (PTS) | jessie, jessie (lts) | 2.1.5-2+deb8u14 | fixed |
| ruby2.3 (PTS) | stretch (security) | 2.3.3-1+deb9u11 | fixed |
| stretch (lts), stretch | 2.3.3-1+deb9u12 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ruby2.1 | source | (unstable) | (not affected) | | | |
| ruby2.3 | source | (unstable) | (not affected) | | | |
Notes
- ruby2.3 <not-affected> (Introduced in v2_4_0_rc1)
- ruby2.1 <not-affected> (Introduced in v2_4_0_rc1)
Introduced by: https://github.com/ruby/ruby/commit/2873edeafb6f6df1fc99bb9b1167591b99dd378c
Fixed by: https://github.com/ruby/ruby/commit/ea940cc4dcff8d6c345d7015eda0bf06671f87e9
https://bugs.ruby-lang.org/issues/13234