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CVE-2021-3781

Published: 8 September 2021

A trivial sandbox (enabled with the `-dSAFER` option) escape flaw was found in the ghostscript interpreter by injecting a specially crafted pipe command. This flaw allows a specially crafted document to execute arbitrary commands on the system in the context of the ghostscript interpreter. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Notes

AuthorNote
mdeslaur
9.50 to 9.55 are vulnerable

Priority

High

Cvss 3 Severity Score

9.9

Score breakdown

Status

Package Release Status
ghostscript
Launchpad, Ubuntu, Debian
impish
Released (9.54.0~dfsg1-0ubuntu2)
bionic Not vulnerable
(9.26~dfsg+0-0ubuntu0.18.04.14)
trusty Does not exist

xenial Not vulnerable

upstream Needs triage

focal
Released (9.50~dfsg-5ubuntu4.3)
hirsute
Released (9.53.3~dfsg-7ubuntu0.1)
jammy
Released (9.54.0~dfsg1-0ubuntu2)

Severity score breakdown

Parameter Value
Base score 9.9
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H