CVE-2018-16540

Publication date 5 September 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files to the builtin PDF14 converter could use a use-after-free in copydevice handling to crash the interpreter or possibly have unspecified other impact.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ghostscript	18.04 LTS bionic	Fixed 9.22~dfsg+1-0ubuntu1.2
	16.04 LTS xenial	Fixed 9.18~dfsg~0-0ubuntu2.9
	14.04 LTS trusty	Fixed 9.10~dfsg-0ubuntu10.13

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
ghostscript	Upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=c432131c3fdb2143e148e8ba88555f7f7a63b25e

Severity score breakdown

Parameter	Value
Base score	7.8 · High
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

References

Related Ubuntu Security Notices (USN)

USN-3768-1
Ghostscript vulnerabilities
19 September 2018