Synopsis
The remote Gentoo host is missing one or more security-related patches.
Description
The remote host is affected by the vulnerability described in GLSA-201010-01 (Libpng: Multiple vulnerabilities)
Multiple vulnerabilities were found in libpng:
The png_decompress_chunk() function in pngrutil.c does not properly handle certain type of compressed data (CVE-2010-0205) A buffer overflow in pngread.c when using progressive applications (CVE-2010-1205) A memory leak in pngrutil.c when dealing with a certain type of chunks (CVE-2010-2249) Impact :
An attacker could exploit these vulnerabilities to cause programs linked against the library to crash or execute arbitrary code with the permissions of the user running the vulnerable program, which could be the root user.
Workaround :
There is no known workaround at this time.
Solution
All libpng 1.4 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=media-libs/libpng-1.4.3' All libpng 1.2 users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=media-libs/libpng-1.2.46'