CVE-2011-3186
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
4.3
Description
CRLF injection vulnerability in actionpack/lib/action_controller/response.rb in Ruby on Rails 2.3.x before 2.3.13 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the Content-Type header.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2.3.14 |
| sid | Fixed | 2.3.14 |
| forky | Fixed | 2.3.14 |
| bullseye | Fixed | 2.3.14 |
| bookworm | Fixed | 2.3.14 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| RubyGems | actionpack | <>= 2.3.13 | >= 2.3.13 |
| RubyGems | actionpack | >=2.3.0,<2.3.13 | 2.3.13 |
References
- https://groups.google.com/forum/#!topic/rubyonrails-security/b_yTveAph2g
- http://groups.google.com/group/rubyonrails-security/msg/bbe342e43abaa78c?dmode=source&output=gplain
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065137.html
- http://secunia.com/advisories/45921
- http://www.debian.org/security/2011/dsa-2301
- http://www.openwall.com/lists/oss-security/2011/08/17/1
- http://www.openwall.com/lists/oss-security/2011/08/19/11
- http://www.openwall.com/lists/oss-security/2011/08/20/1
- http://www.openwall.com/lists/oss-security/2011/08/22/13
- http://www.openwall.com/lists/oss-security/2011/08/22/14
- http://www.openwall.com/lists/oss-security/2011/08/22/5
- https://bugzilla.redhat.com/show_bug.cgi?id=732156
- https://github.com/rails/rails/commit/11dafeaa7533be26441a63618be93a03869c83a9
- https://nvd.nist.gov/vuln/detail/CVE-2011-3186
- https://github.com/rails/rails
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2011-3186.yml
- https://web.archive.org/web/20150201000000*/http://secunia.com/advisories/45921
- https://security-tracker.debian.org/tracker/CVE-2011-3186
CWEs
CWE-94
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.