What’s Vulnerable › Vulnerabilities

CVE-2012-4481

• Severity: medium (CVSS 4.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-05-02 · updated 2026-06-16
• Weakness: CWE-264

Description

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.

Affected products

• Ruby: 1.8.7

References

• 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
• 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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