SB2016080706 - Input validation error in libgd
Published: August 7, 2016 Updated: July 28, 2020
Security Bulletin ID
SB2016080706
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2016-6128)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The gdImageCropThreshold function in gd_crop.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 7.0.9, allows remote attackers to cause a denial of service (application crash) via an invalid color index.
Remediation
Install update from vendor's website.
References
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00086.html
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00078.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://www.debian.org/security/2016/dsa-3619
- http://www.openwall.com/lists/oss-security/2016/06/30/1
- http://www.securityfocus.com/bid/91509
- http://www.securitytracker.com/id/1036276
- http://www.ubuntu.com/usn/USN-3030-1
- https://bugs.php.net/72494
- https://github.com/libgd/libgd/commit/1ccfe21e14c4d18336f9da8515cd17db88c3de61
- https://github.com/libgd/libgd/commit/6ff72ae40c7c20ece939afb362d98cc37f4a1c96
- https://libgd.github.io/release-2.2.3.html
- https://security.gentoo.org/glsa/201612-09