CVE-2018-15911

Publication date 28 August 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

In Artifex Ghostscript 9.23 before 2018-08-24, attackers able to supply crafted PostScript could use uninitialized memory access in the aesdecode operator to crash the interpreter or potentially execute code.

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=8e9ce5016db968b40e4ec255a3005f2786cce45f

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