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CVE-2022-25235

Public on 2022-02-16
Modified on 2024-02-10
Description

A flaw was found in expat. Passing malformed 2- and 3-byte UTF-8 sequences (for example, from start tag names) to the XML processing application on top of expat can lead to arbitrary code execution. This issue is dependent on how invalid UTF-8 is handled inside the XML processor.

Severity
Critical
See what this means
CVSS v3 Base Score
9.8
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 expat 2022-03-09 22:48 ALAS-2022-1573
Amazon Linux 2 - Core expat 2022-03-09 22:13 ALAS2-2022-1764
Amazon Linux 2023 expat 2023-02-17 20:45 ALAS2023-2023-058
Amazon Linux 2 - Core thunderbird 2022-04-25 22:56 ALAS2-2022-1779
Amazon Linux 1 xmlrpc-c 2022-05-20 22:12 ALAS-2022-1585
Amazon Linux 2 - Core xmlrpc-c 2022-05-20 22:22 ALAS2-2022-1795
Amazon Linux 2023 xmlrpc-c 2023-02-17 20:46 ALAS2023-2023-068

CVSS Scores

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