Out-of-bounds read in libgd - CVE-2016-6132
Published: August 12, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32248
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-6132
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The gdImageCreateFromTgaCtx function in the GD Graphics Library (aka libgd) before 2.2.3 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted TGA file.
Affected software
libgd
Gentoo Linux
Fedora
gd (Alpine package)
gd
Gentoo Linux
Fedora
gd (Alpine package)
gd
How to mitigate CVE-2016-6132
Install update from vendor's website.
libgd - update to 2.2.3
gd (Alpine package) - update to 2.2.3-r0
gd - update to 2.2.3-1.fc24
gd (Alpine package) - update to 2.2.3-r0
gd - update to 2.2.3-1.fc24
External References
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00086.html
- http://lists.opensuse.org/opensuse-updates/2016-09/msg00078.html
- http://www.debian.org/security/2016/dsa-3619
- http://www.openwall.com/lists/oss-security/2016/06/30/10
- http://www.openwall.com/lists/oss-security/2016/06/30/6
- http://www.securityfocus.com/bid/91520
- http://www.ubuntu.com/usn/USN-3060-1
- https://github.com/libgd/libgd/issues/247
- https://libgd.github.io/release-2.2.3.html
- https://security.gentoo.org/glsa/201612-09