CVE-2018-16509

high

Description

An issue was discovered in Artifex Ghostscript before 9.24. Incorrect "restoration of privilege" checking during handling of /invalidaccess exceptions could be used by attackers able to supply crafted PostScript to execute code using the "pipe" instruction.

References

https://www.debian.org/security/2018/dsa-4294

https://usn.ubuntu.com/3768-1/

https://security.gentoo.org/glsa/201811-12

https://lists.debian.org/debian-lts-announce/2018/09/msg00015.html

https://bugs.ghostscript.com/show_bug.cgi?id=699654

https://access.redhat.com/errata/RHSA-2018:3760

https://access.redhat.com/errata/RHSA-2018:2918

http://www.securityfocus.com/bid/105122

https://www.exploit-db.com/exploits/45369/

https://www.artifex.com/news/ghostscript-security-resolved/

http://seclists.org/oss-sec/2018/q3/142

http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=520bb0ea7519aa3e79db78aaf0589dae02103764

http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=79cccf641486a6595c43f1de1cd7ade696020a31

http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=78911a01b67d590b4a91afac2e8417360b934156

http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=5516c614dc33662a2afdc377159f70218e67bde5

Details

Source: Mitre, NVD

Published: 2018-09-05

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.91125