SB2015113008 - Buffer overflow in libpng (Alpine package)
Published: November 30, 2015
Security Bulletin ID
SB2015113008
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) Buffer overflow (CVE-ID: CVE-2015-8126)
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Multiple buffer overflows in the (1) png_set_PLTE and (2) png_get_PLTE functions in libpng before 1.0.64, 1.1.x and 1.2.x before 1.2.54, 1.3.x and 1.4.x before 1.4.17, 1.5.x before 1.5.24, and 1.6.x before 1.6.19 allow remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a small bit-depth value in an IHDR (aka image header) chunk in a PNG image.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=752496ebf1b9e4df2c3b69736ed8cd8b66ff108c
- https://git.alpinelinux.org/aports/commit/?id=50464346fd5dd099283409bfa2267381283ed036
- https://git.alpinelinux.org/aports/commit/?id=3d2b0507b4e1ebda711f49cbd4ee950e7d290736
- https://git.alpinelinux.org/aports/commit/?id=35bd1e624bdba46f60b876b1ffd14b7095783f58