Ruby 1.9.3 before patchlevel 286 and 2.0 before revision r37068 allows context-dependent attackers to bypass safe-level restrictions and…

Description

Ruby 1.9.3 before patchlevel 286 and 2.0 before revision r37068 allows context-dependent attackers to bypass safe-level restrictions and modify untainted strings via the (1) exc_to_s or (2) name_err_to_s API function, which marks the string as tainted, a different vulnerability than CVE-2012-4466. NOTE: this issue might exist because of a CVE-2011-1005 regression.

Scores

EPSS (exploitation in 30 days)

2.2% · top 18% of all CVEs (2 Nov 2026)

Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-264 (opens in a new tab)

Affected products

• n/a

  • affected n/a

References (7)

• https://bugzilla.redhat.com/show_bug.cgi?id=862598 (opens in a new tab)x_refsource_CONFIRMx_transferred
• [oss-security] 20121002 CVE Request: Ruby safe level bypasses (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• [oss-security] 20121003 Re: CVE Request: Ruby safe level bypasses (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
• FEDORA-2012-15376 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• FEDORA-2012-15395 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
• http://www.ruby-lang.org/en/news/2012/10/12/cve-2012-4464-cve-2012-4466/ (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37068 (opens in a new tab)x_refsource_MISCx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Record last updated 6 Aug 2024, 20:35 UTC.