CVE-2017-17858

MEDIUM

Description

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.

References

http://git.ghostscript.com/?p=mupdf.git;a=commit;h=55c3f68d638ac1263a386e0aaa004bb6e8bde731

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

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

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

Details

Source: MITRE

Published: 2018-01-22

Updated: 2018-11-27

Type: CWE-119

Risk Information

CVSS v2.0

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH