NULL Pointer Dereference Affecting potrace package, versions <1.12-1+deb8u1
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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- published31 Jan 2017
- disclosed31 Jan 2017
Introduced: 31 Jan 2017
CVE-2016-8694 (opens in a new tab)How to fix?
Upgrade Debian:8 potrace to version 1.12-1+deb8u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream potrace package and not the potrace package as distributed by Debian.
See How to fix? for Debian:8 relevant fixed versions and status.
The bm_readbody_bmp function in bitmap_io.c in potrace before 1.13 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted BMP image, a different vulnerability than CVE-2016-8695 and CVE-2016-8696.
References
- https://security-tracker.debian.org/tracker/CVE-2016-8694
- http://potrace.sourceforge.net/ChangeLog
- https://blogs.gentoo.org/ago/2016/08/08/potrace-multiple-three-null-pointer-dereference-in-bm_readbody_bmp-bitmap_io-c/
- http://www.openwall.com/lists/oss-security/2016/08/18/11
- http://www.openwall.com/lists/oss-security/2016/10/16/12
- http://www.securityfocus.com/bid/93778
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-8694