CVE-2012-4481

critical

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.

References

https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0294

https://bugzilla.redhat.com/show_bug.cgi?id=863484

http://www.openwall.com/lists/oss-security/2012/10/05/4

http://www.mandriva.com/security/advisories?name=MDVSA-2013:124

http://rhn.redhat.com/errata/RHSA-2013-0612.html

http://rhn.redhat.com/errata/RHSA-2013-0129.html

Details

Source: Mitre, NVD

Published: 2013-05-02

Updated: 2025-04-11

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00455