HTTP: GD Library libgd _gd2GetHeader Integer Overflow
This signature detects attempts to exploit a known vulnerability against libgd. A successful attack can lead to code execution.
Extended Description
Integer overflow in the _gd2GetHeader function in gd_gd2.c in the GD Graphics Library (aka libgd) before 2.2.3, as used in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via crafted chunk dimensions in an image.
Affected Products
Redhat enterprise_linux
References
CVE: CVE-2016-5766
URL: https://libgd.github.io/release-2.2.3.html https://bugs.php.net/bug.php?id=72339
Short Name
HTTP:LIBGD-GD2GETHEADER-IO
Severity
Major
Recommended
True
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2016-5766 GD Integer Library Overflow _gd2GetHeader libgd
Release Date
08/24/2016
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3590
False Positive
Unknown
Vendors
Fedoraproject
Redhat
Freebsd
Debian
CVSS Score
6.8