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CVE-2021-3781

Date: February 16, 2022

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.

Severity Score

Related Resources (9)

https://access.redhat.com/security/cve/CVE-2021-3781
https://ghostscript.com/CVE-2021-3781.html
https://security.alpinelinux.org/vuln/CVE-2021-3781
https://security.gentoo.org/glsa/202211-11
https://nvd.nist.gov/vuln/detail/CVE-2021-3781
https://security-tracker.debian.org/tracker/CVE-2021-3781
https://bugzilla.redhat.com/show_bug.cgi?id=2002271
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-3781
https://www.mend.io/vulnerability-database/CVE-2021-3781

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

OS Command Injections

CWE-78

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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