CVE-2018-16509
Published: 5 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
Status
Package | Release | Status |
---|---|---|
ghostscript Launchpad, Ubuntu, Debian |
bionic |
Released
(9.22~dfsg+1-0ubuntu1.2)
|
trusty |
Released
(9.10~dfsg-0ubuntu10.13)
|
|
upstream |
Needs triage
|
|
xenial |
Released
(9.18~dfsg~0-0ubuntu2.9)
|
|
Patches: upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=43711760b611b1a8e17f3490e3b58914508098f9 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 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |