SB2013050207 - Permissions, Privileges, and Access Controls in Ruby
Published: May 2, 2013 Updated: August 11, 2020
Security Bulletin ID
SB2013050207
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2012-4481)
The vulnerability allows a remote non-authenticated attacker to manipulate data.
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.
Remediation
Install update from vendor's website.
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