Access Restriction Bypass The advisory has been revoked - it doesn't affect any version of package ruby1.9.1 (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1210-RUBY191-642635
- published2 May 2013
- disclosed2 May 2013
Introduced: 2 May 2013
CVE-2012-4481 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:12.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby1.9.1 package and not the ruby1.9.1 package as distributed by Ubuntu.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2012-4481
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0294
- http://www.openwall.com/lists/oss-security/2012/10/05/4
- https://bugzilla.redhat.com/show_bug.cgi?id=863484
- 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