CVE-2018-15909

Publication date 27 August 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

In Artifex Ghostscript 9.23 before 2018-08-24, a type confusion using the .shfill operator could be used by attackers able to supply crafted PostScript files to crash the interpreter or potentially execute code.

Read the notes from the security team

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

Notes

mdeslaur

CVE-2018-16585 patches need to be applied first

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=0b6cd1918e1ec4ffd087400a754a845180a4522b Upstream: http://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=e01e77a36cbb2e0277bc3a63852244bec41be0f6

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