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CVE-2022-31630

Public on 2022-11-08
Modified on 2024-01-12
Description

In PHP versions prior to 7.4.33, 8.0.25 and 8.2.12, when using imageloadfont() function in gd extension, it is possible to supply a specially crafted font file, such as if the loaded font is used with imagechar() function, the read outside allocated buffer will be used. This can lead to crashes or disclosure of confidential information.

Severity
Medium
See what this means
CVSS v3 Base Score
5.3
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Php8.0 Extra php 2023-08-21 21:00 ALAS2PHP8.0-2023-004
Amazon Linux 2 - Php8.1 Extra php 2023-08-04 20:34 ALAS2PHP8.1-2023-001
Amazon Linux 2023 php8.1 2023-02-17 20:47 ALAS2023-2023-081

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD CVSSv3 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

References

Red Hat: CVE-2022-31630 Mitre: CVE-2022-31630 FAQs regarding Amazon Linux ALAS/CVE Severity