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CVE-2018-16509

Published: 05 September 2018

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.

Priority

Medium

CVSS 3 base score: 7.8

Status

Package Release Status
ghostscript
Launchpad, Ubuntu, Debian
Upstream Needs triage

Ubuntu 18.04 LTS (Bionic Beaver)
Released (9.22~dfsg+1-0ubuntu1.2)
Ubuntu 16.04 ESM (Xenial Xerus)
Released (9.18~dfsg~0-0ubuntu2.9)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [9.10~dfsg-0ubuntu10.13])
Patches:
Upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=43711760b611b1a8e17f3490e3b58914508098f9 (bp)
Upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=78911a01b67d590b4a91afac2e8417360b934156
Upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=5516c614dc33662a2afdc377159f70218e67bde5
Upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=79cccf641486a6595c43f1de1cd7ade696020a31
Upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=520bb0ea7519aa3e79db78aaf0589dae02103764