Integer Overflow or Wraparound Affecting libgd2 package, versions <2.2.3-87-gd0fec80-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published28 Sept 2016
- disclosed28 Sept 2016
Introduced: 28 Sep 2016
CVE-2016-7568 (opens in a new tab)How to fix?
Upgrade Debian:9 libgd2 to version 2.2.3-87-gd0fec80-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libgd2 package and not the libgd2 package as distributed by Debian.
See How to fix? for Debian:9 relevant fixed versions and status.
Integer overflow in the gdImageWebpCtx function in gd_webp.c in the GD Graphics Library (aka libgd) through 2.2.3, as used in PHP through 7.0.11, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via crafted imagewebp and imagedestroy calls.
References
- https://security-tracker.debian.org/tracker/CVE-2016-7568
- https://bugs.php.net/bug.php?id=73003
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7568
- http://www.debian.org/security/2016/dsa-3693
- https://security.gentoo.org/glsa/201612-09
- https://github.com/libgd/libgd/commit/40bec0f38f50e8510f5bb71a82f516d46facde03
- https://github.com/php/php-src/commit/c18263e0e0769faee96a5d0ee04b750c442783c6
- https://github.com/libgd/libgd/issues/308
- http://www.securityfocus.com/bid/93184
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-7568