Vulnerability Description
Artifex MuPDF 1.11 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to a "User Mode Write AV near NULL starting at wow64!Wow64NotifyDebugger+0x000000000000001d" on Windows. This occurs because read_zip_dir_imp in fitz/unzip.c does not check whether size fields in a ZIP entry are negative numbers.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Artifex | Mupdf | 1.11 |
| Microsoft | Windows | All versions |
Related Weaknesses (CWE)
References
- http://git.ghostscript.com/?p=mupdf.git%3Bh=0f0fbc07d9be31f5e83ec5328d7311fdfd83
- http://www.debian.org/security/2017/dsa-4006
- https://bugs.ghostscript.com/show_bug.cgi?id=698540ExploitThird Party Advisory
- https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-14686Third Party Advisory
- http://git.ghostscript.com/?p=mupdf.git%3Bh=0f0fbc07d9be31f5e83ec5328d7311fdfd83
- http://www.debian.org/security/2017/dsa-4006
- https://bugs.ghostscript.com/show_bug.cgi?id=698540ExploitThird Party Advisory
- https://github.com/wlinzi/security_advisories/tree/master/CVE-2017-14686Third Party Advisory
FAQ
What is CVE-2017-14686?
CVE-2017-14686 is a vulnerability with a CVSS score of 7.8 (HIGH). Artifex MuPDF 1.11 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to a "User Mode Write AV near NULL starting at wow64!Wow64NotifyDebugger+0x0...
How severe is CVE-2017-14686?
CVE-2017-14686 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-14686?
Check the references section above for vendor advisories and patch information. Affected products include: Artifex Mupdf, Microsoft Windows.