CVE-2022-31630

In PHP versions prior to 7.4.33, 8.0.25 and 8.1.12, 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.

CVSS v3.1

7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

CVSS v3.1

6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

EPSS

2.20% chance of exploitation in the next 30 days, 81th percentile

Published

2022-11-14

Updated

2024-08-03

Proof-of-concept exploits (2)

• sepkascurty-cpu/CVE-2022-31630---Proof-of-Concept-Exploit-untuk-PHP-7.4.33
• sepkascurty-cpu/php-exploit_cve-2022-31630

References

• CVE Record
• NVD entry

Related

• CVE-2022-31629
• CVE-2022-31650
• CVE-2022-31626
• CVE-2022-31651
• CVE-2022-31620
• CVE-2022-31656