CVE-2021-3781

Description

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.

Categories

9.9
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 12.08% Top 10%
Vendor Advisory gentoo.org Vendor Advisory ghostscript.com
Affected: n/a ghostscript
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2002271 issue tracking third party advisory patch
https://ghostscript.com/CVE-2021-3781.html patch vendor advisory
https://security.gentoo.org/glsa/202211-11 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-3781?
CVE-2021-3781 has been scored as a critical severity vulnerability.
How to fix CVE-2021-3781?
To fix CVE-2021-3781, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3781 being actively exploited in the wild?
It is possible that CVE-2021-3781 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~12% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3781?
CVE-2021-3781 affects n/a ghostscript.
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