CVE-2019-14869
Published: 14 November 2019
A flaw was found in all versions of ghostscript 9.x before 9.50, where the `.charkeys` procedure, where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. An attacker could abuse this flaw by creating a specially crafted PostScript file that could escalate privileges within the Ghostscript and access files outside of restricted areas or execute commands.
Priority
Status
Package | Release | Status |
---|---|---|
ghostscript Launchpad, Ubuntu, Debian |
bionic |
Released
(9.26~dfsg+0-0ubuntu0.18.04.12)
|
disco |
Released
(9.26~dfsg+0-0ubuntu7.4)
|
|
eoan |
Released
(9.27~dfsg+0-0ubuntu3.1)
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Released
(9.26~dfsg+0-0ubuntu0.16.04.12)
|
|
Patches: upstream: https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=485904772c5f0aa1140032746e5a0abfc40f4cef |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 8.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |