CVE-2022-31630
Published: August 31, 2023Last modified: August 31, 2023
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 score breakdown
Parameter | Value |
---|---|
Base score | 7.1 |
Attack Vector | LOCAL |
Attack complexity | LOW |
Privileges required | NONE |
User interaction | REQUIRED |
Scope | UNCHANGED |
Confidentiality | HIGH |
Integrity impact | NONE |
Availability impact | HIGH |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |
Status
Product | Release | Package | Status |
---|---|---|---|
Alpaquita Linux | 23 LTS | php81 | Not affected (8.1.22-r0) |
Stream | php81 | Not affected (8.1.22-r0) |