CVE-2020-16304

Publication date 13 August 2020

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

A buffer overflow vulnerability in image_render_color_thresh() in base/gxicolor.c of Artifex Software GhostScript v9.50 allows a remote attacker to escalate privileges via a crafted eps file. This is fixed in v9.51.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ghostscript	20.04 LTS focal	Fixed 9.50~dfsg-5ubuntu4.2
	18.04 LTS bionic	Fixed 9.26~dfsg+0-0ubuntu0.18.04.13
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Notes

Debian

PoC requires de8b6458abaeb9d0b14f02377f3e617f2854e647 (9.27) to trigger

Patch details

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

Package	Patch details
ghostscript	Upstream: https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=027c546e0dd11e0526f1780a7f3c2c66acffe209

Severity score breakdown

Parameter	Value
Base score	5.5 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H