Use After Free Affecting mupdf package, versions <1.9a+ds1-2
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-DEBIAN11-MUPDF-527348
- published15 Feb 2017
- disclosed15 Feb 2017
Introduced: 15 Feb 2017
CVE-2016-8674 (opens in a new tab)How to fix?
Upgrade Debian:11 mupdf to version 1.9a+ds1-2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mupdf package and not the mupdf package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
The pdf_to_num function in pdf-object.c in MuPDF before 1.10 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted file.
References
- https://security-tracker.debian.org/tracker/CVE-2016-8674
- https://bugs.ghostscript.com/show_bug.cgi?id=697015
- https://bugs.ghostscript.com/show_bug.cgi?id=697019
- http://www.debian.org/security/2017/dsa-3797
- http://git.ghostscript.com/?p=mupdf.git;a=commitdiff;h=1e03c06456d997435019fb3526fa2d4be7dbc6ec
- https://blogs.gentoo.org/ago/2016/09/22/mupdf-use-after-free-in-pdf_to_num-pdf-object-c/
- http://www.openwall.com/lists/oss-security/2016/10/16/8
- https://bugzilla.redhat.com/show_bug.cgi?id=1385685
- http://www.securityfocus.com/bid/93127
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-8674
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commitdiff%3Bh=1e03c06456d997435019fb3526fa2d4be7dbc6ec