SB2015091104 - Path traversal in libvdpau (Alpine package)
Published: September 11, 2015
Security Bulletin ID
SB2015091104
CSH Severity
High
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 vulnerability.
1) Path traversal (CVE-ID: CVE-2015-5199)
CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in dlopen in libvdpau before 1.1.1. A remote authenticated attacker can send a specially crafted HTTP request and local users to gain privileges via the VDPAU_DRIVER environment variable.
Remediation
Install update from vendor's website.