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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=5516c614dc33662a2afdc377159f70218e67bde5 ↗
- https://www.exploit-db.com/exploits/45369/ ↗
- https://bugs.ghostscript.com/show_bug.cgi?id=699654 ↗
- https://access.redhat.com/errata/RHSA-2018:2918 ↗
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=79cccf641486a6595c43f1de1cd7ade696020a31 ↗
- https://security.gentoo.org/glsa/201811-12 ↗
- https://usn.ubuntu.com/3768-1/ ↗
- https://www.artifex.com/news/ghostscript-security-resolved/ ↗
- https://access.redhat.com/errata/RHSA-2018:3760 ↗
- http://seclists.org/oss-sec/2018/q3/142 ↗
- https://www.debian.org/security/2018/dsa-4294 ↗
- https://lists.debian.org/debian-lts-announce/2018/09/msg00015.html ↗
- http://www.securityfocus.com/bid/105122 ↗
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commit%3Bh=78911a01b67d590b4a91afac2e8417360b934156 ↗
- http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=520bb0ea7519aa3e79db78aaf0589dae02103764 ↗