SB2015111702 - Permissions, Privileges, and Access Controls in Sudo
Published: November 17, 2015 Updated: July 28, 2020
Security Bulletin ID
SB2015111702
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
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-2015-5602)
The vulnerability allows a local non-authenticated attacker to execute arbitrary code.
sudoedit in Sudo before 1.8.15 allows local users to gain privileges via a symlink attack on a file whose full path is defined using multiple wildcards in /etc/sudoers, as demonstrated by "/home/*/*/file.txt."
Remediation
Install update from vendor's website.
References
- http://bugzilla.sudo.ws/show_bug.cgi?id=707
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171024.html
- http://lists.fedoraproject.org/pipermail/package-announce/2015-November/171054.html
- http://www.debian.org/security/2016/dsa-3440
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.securitytracker.com/id/1034392
- http://www.sudo.ws/stable.html#1.8.15
- https://security.gentoo.org/glsa/201606-13
- https://www.exploit-db.com/exploits/37710/