CVE-2009-3086
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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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
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 | 2.2.3-1 |
| sid | Fixed | 2.2.3-1 |
| forky | Fixed | 2.2.3-1 |
| bullseye | Fixed | 2.2.3-1 |
| bookworm | Fixed | 2.2.3-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| RubyGems | actionpack | !< 2.1.0||<~> 2.2.3 | ~> 2.2.3 |
| RubyGems | activesupport | !< 2.1.0||<~> 2.2.3 | ~> 2.2.3 |
| RubyGems | actionpack | >=2.1.0,<2.2.3 | 2.2.3 |
| RubyGems | actionpack | >=2.3.0,<2.3.4 | 2.3.4 |
| RubyGems | activesupport | >=2.1.0,<2.2.3 | 2.2.3 |
| RubyGems | activesupport | >=2.3.0,<2.3.4 | 2.3.4 |
References
- http://weblog.rubyonrails.org/2009/9/4/timing-weakness-in-ruby-on-rails
- https://nvd.nist.gov/vuln/detail/CVE-2009-3086
- https://github.com/rails/rails/commit/1f07a89c5946910fc28ea5ccd1da6af8a0f972a0
- https://github.com/rails/rails/commit/674f780d59a5a7ec0301755d43a7b277a3ad2978
- https://github.com/rails/rails/commit/d460c9a25560f43e7c3789abadf7b455053eb686
- https://github.com/rails/rails
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2009-3086.yml
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2009-3086.yml
- https://web.archive.org/web/20090906010200/http://www.vupen.com/english/advisories/2009/2544
- https://web.archive.org/web/20090907001716/http://secunia.com/advisories/36600
- https://web.archive.org/web/20200229150042/http://www.securityfocus.com/bid/37427
- http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00004.html
- http://www.debian.org/security/2011/dsa-2260
- https://security-tracker.debian.org/tracker/CVE-2009-3086
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.