Integer Overflow or Wraparound Affecting gd package, versions <2.2.1-r2
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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Test your applications- Snyk IDSNYK-ALPINE33-GD-279301
- published7 Aug 2016
- disclosed7 Aug 2016
Introduced: 7 Aug 2016
CVE-2016-5766 (opens in a new tab)How to fix?
Upgrade Alpine:3.3 gd to version 2.2.1-r2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gd package and not the gd package as distributed by Alpine.
See How to fix? for Alpine:3.3 relevant fixed versions and status.
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.
References
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- https://bugs.php.net/bug.php?id=72339
- https://libgd.github.io/release-2.2.3.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5766
- http://www.debian.org/security/2016/dsa-3619
- https://security-tracker.debian.org/tracker/CVE-2016-5766
- https://security.gentoo.org/glsa/201612-09
- http://github.com/php/php-src/commit/7722455726bec8c53458a32851d2a87982cf0eac?w=1
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html
- http://www.openwall.com/lists/oss-security/2016/06/23/4
- http://rhn.redhat.com/errata/RHSA-2016-2598.html
- http://rhn.redhat.com/errata/RHSA-2016-2750.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-5766
- http://www.ubuntu.com/usn/USN-3030-1