Circular symbolic links in phar archives could lead to unbounded recursion, exhausting the C stack and crashing the PHP process, in PHP versions from 8.2.* before 8.2.33, from 8.3.* before 8.3.33, from 8.4.* before 8.4.24, and from 8.5.* before 8.5.9.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Active
User action required
Impact Assessment
Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 4
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Php Php
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
|
8.2.0
|
8.2.33
|
|
Php Php
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
|
8.3.0
|
8.3.33
|
|
Php Php
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
|
8.4.0
|
8.4.24
|
|
Php Php
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
|
8.5.0
|
8.5.9
|