CVE-2022-25235
Public on 2022-02-16
Modified on 2024-05-03
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
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | expat | 2022-03-09 | ALAS-2022-1573 | Fixed |
| Amazon Linux 2 - Core | expat | 2022-03-09 | ALAS2-2022-1764 | Fixed |
| Amazon Linux 2023 | expat | 2023-02-17 | ALAS2023-2023-058 | Fixed |
| Amazon Linux 2 - Core | thunderbird | 2022-04-25 | ALAS2-2022-1779 | Fixed |
| Amazon Linux 1 | xmlrpc-c | 2022-05-20 | ALAS-2022-1585 | Fixed |
| Amazon Linux 2 - Core | xmlrpc-c | 2022-05-20 | ALAS2-2022-1795 | Fixed |
| Amazon Linux 2023 | xmlrpc-c | 2023-02-17 | ALAS2023-2023-068 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | 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 |
| NVD | CVSSv3 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |