CVE-2009-3086

unknown
Published 2017-10-24 · Modified 2024-11-28
CVSS v3
CVSS v2
VIR risk

Description

A certain algorithm in Ruby on Rails 2.1.0 through 2.2.2, and 2.3.x before 2.3.4, leaks information about the complexity of message-digest signature verification in the cookie store, which might allow remote attackers to forge a digest via multiple attempts.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2009-3086

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed2.2.3-1
debian debianbullseyefixed2.2.3-1
debian debianforkyfixed2.2.3-1
debian debiansidfixed2.2.3-1
debian debiantrixiefixed2.2.3-1

Package impact

EcosystemPackageVulnerableFixed
ruby RubyGemsactionpack!< 2.1.0||<~> 2.2.3~> 2.2.3
ruby RubyGemsactivesupport!< 2.1.0||<~> 2.2.3~> 2.2.3
ruby RubyGemsactionpack>=2.1.0,<2.2.32.2.3
ruby RubyGemsactionpack>=2.3.0,<2.3.42.3.4
ruby RubyGemsactivesupport>=2.1.0,<2.2.32.2.3
ruby RubyGemsactivesupport>=2.3.0,<2.3.42.3.4

References

Verify integrity in audit chain (admin only). AS-IS.