Vulnerability Monitor

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CVE-2021-3781

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.

Published

2022-02-16T19:15:08.817

Last Modified

2024-11-21T06:22:24.880

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.9 (CRITICAL)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Secondary
CWE-20
Type: Primary
CWE-78

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	artifex	ghostscript	9.50	Yes
Application	artifex	ghostscript	9.52	Yes
Application	artifex	ghostscript	9.53.3	Yes
Application	artifex	ghostscript	9.54.0	Yes
Operating System	fedoraproject	fedora	34	Yes

References

https://bugzilla.redhat.com/show_bug.cgi?id=2002271 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://ghostscript.com/CVE-2021-3781.html Patch, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/202211-11 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2002271 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://ghostscript.com/CVE-2021-3781.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202211-11 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)