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CVE-2022-23218

Public on 2022-01-14
Modified on 2023-09-15
Description

A stack based buffer-overflow vulnerability was found in the deprecated compatibility function svcunix_create() in the sunrpc's svc_unix.c module of the GNU C Library (aka glibc) through 2.34. This vulnerability copies its path argument onto the stack without validating its length, which may result in a buffer overflow, potentially resulting in a denial of service or (if an application is not built with a stack protector enabled) then it will lead to arbitrary code execution.

Severity
Medium
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CVSS v3 Base Score
7.0
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 glibc 2022-04-04 23:46 ALAS-2022-1576
Amazon Linux 2 - Core glibc 2022-04-04 23:20 ALAS2-2022-1767

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.0 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
NVD CVSSv3 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD CVSSv2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P