SB2012091811 - Stack-based buffer overflow in bash (Alpine package)
Published: September 18, 2012
Security Bulletin ID
SB2012091811
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2012-3410)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing a long filename in /dev/fd, which is not properly handled when expanding the /dev/fd prefix. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=4134d8fdbca1b44e1056509d67db8080d00400aa
- https://git.alpinelinux.org/aports/commit/?id=9ffffa5991d4eb7846b8ec1d91a14e9d6f3eca14
- https://git.alpinelinux.org/aports/commit/?id=df2311be6eef1eece27a29f172e8c4fb6a96296e
- https://git.alpinelinux.org/aports/commit/?id=868ec2978836869646e8cfcbb90463c6577e684f