Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ruby-Lang | Ruby | 1.9.3 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089554.ht
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089887.ht
- http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37068
- http://www.openwall.com/lists/oss-security/2012/10/02/4
- http://www.openwall.com/lists/oss-security/2012/10/03/9
- http://www.ruby-lang.org/en/news/2012/10/12/cve-2012-4464-cve-2012-4466/Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=862598
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089554.ht
- http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089887.ht
- http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=37068
- http://www.openwall.com/lists/oss-security/2012/10/02/4
- http://www.openwall.com/lists/oss-security/2012/10/03/9
- http://www.ruby-lang.org/en/news/2012/10/12/cve-2012-4464-cve-2012-4466/Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=862598
FAQ
What is CVE-2012-4464?
CVE-2012-4464 is a vulnerability with a CVSS score of 5.0 (MEDIUM). 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_t...
How severe is CVE-2012-4464?
CVE-2012-4464 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-4464?
Check the references section above for vendor advisories and patch information. Affected products include: Ruby-Lang Ruby.