CVE-2017-17858

moderate-risk

Published 2018-01-22

Heap-based buffer overflow in the ensure_solid_xref function in pdf/pdf-xref.c in Artifex MuPDF 1.12.0 allows a remote attacker to potentially execute arbitrary code via a crafted PDF file, because xref subsection object numbers are unrestricted.

Do I need to act?

5.1% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.8/10 High

LOCAL / LOW complexity

Affected Products (1)

Mupdf

Affected Vendors

Artifex

References (8)

http://git.ghostscript.com/?p=mupdf.git%3Ba=commit%3Bh=55c3f68d638ac1263a386e0aa...

Permissions Required https://bugs.ghostscript.com/show_bug.cgi?id=698819

Exploit https://github.com/mzet-/Security-Advisories/blob/master/mzet-adv-2017-01.md

https://security.gentoo.org/glsa/201811-15

http://git.ghostscript.com/?p=mupdf.git%3Ba=commit%3Bh=55c3f68d638ac1263a386e0aa...

Permissions Required https://bugs.ghostscript.com/show_bug.cgi?id=698819

Exploit https://github.com/mzet-/Security-Advisories/blob/master/mzet-adv-2017-01.md

https://security.gentoo.org/glsa/201811-15

/ 100

moderate-risk

Severity 24/34 · High

Exploitability 8/34 · Low

Exposure 5/34 · Minimal