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CVE-2020-27792

Date: August 19, 2022

A heap-based buffer overwrite vulnerability was found in GhostScript's lp8000_print_page() function in the gdevlp8k.c file. This flaw allows an attacker to trick a user into opening a crafted PDF file, triggering the heap buffer overflow that could lead to memory corruption or a denial of service.

Language: C

Severity Score

Related Resources (10)

https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=4f6bc662909ab79e8fbe9822afb36e8a0eafc2b7
https://security-tracker.debian.org/tracker/CVE-2020-27792
https://lists.debian.org/debian-lts-announce/2022/09/msg00005.html
https://nvd.nist.gov/vuln/detail/CVE-2020-27792
https://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=4f6bc662909ab79e8fbe9822afb36e8a0eafc2b7
https://bugzilla.redhat.com/show_bug.cgi?id=2247179
https://access.redhat.com/security/cve/CVE-2020-27792
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-27792
https://bugs.ghostscript.com/show_bug.cgi?id=701844
https://www.mend.io/vulnerability-database/CVE-2020-27792

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Uncontrolled Resource Consumption ('Resource Exhaustion')

CWE-400

Heap-based Buffer Overflow

CWE-122

CVSS v3.1

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

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