Home/CVE/The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings via the NameError#to_s method
CVE

CVE-2012-4481

The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings via the NameError#to_s method

The safe-level feature in Ruby 1.8.7 allows context-dependent attackers to modify strings via the NameError#to_s method when operating on Ruby objects. NOTE: this issue is due to an incomplete fix for CVE-2011-1005.

MEDIUM · CVSS 4.3 EPSS 0.00488
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules3 YARA rules0
▤

Affected Products & Versions

1
ruby-lang rubyall versions
◈

Sigma Hunt Rules

3
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumRuby on Rails Framework Exceptions
productmediumPotential Ruby Reverse Shell
productmediumRuby Inline Command Execution
▣

Scoring & Timeline

4.3
MEDIUM · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
Published to NVD02 May 2013 · 02:55 PM
⚑

Vendor Advisories

4
rhsaRHSA-2013:0612Moderate
usnUSN-1603-2
rhsaRHSA-2013:0129Moderate
usnUSN-1603-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://rhn.redhat.com/errata/RHSA-2013-0129.html
http://rhn.redhat.com/errata/RHSA-2013-0612.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:124
http://www.openwall.com/lists/oss-security/2012/10/05/4
https://bugzilla.redhat.com/show_bug.cgi?id=863484
https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0294
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