SB2016120202 - Out-of-bounds read in libgit2-0.27 (Alpine package)
Published: December 2, 2016
Security Bulletin ID
SB2016120202
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2016-8568)
The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.
The git_commit_message function in oid.c in libgit2 before 0.24.3 allows remote attackers to cause a denial of service (out-of-bounds read) via a cat-file command with a crafted object file.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=66ffc9c34b1af93bdd18ba67d52c4e9994d6bdf6
- https://git.alpinelinux.org/aports/commit/?id=5f77150ab6ff54d6897006bf52ae9685ed41d884
- https://git.alpinelinux.org/aports/commit/?id=322e4dec713220f3d26b24753df9fdb5d389928e
- https://git.alpinelinux.org/aports/commit/?id=2037153254c565cde4a1c9b1d884d3bc27bf61dd