Vulnerability Details : CVE-2023-0568
In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, core path resolution function allocate buffer one byte too small. When resolving paths with lengths close to system MAXPATHLEN setting, this may lead to the byte after the allocated buffer being overwritten with NUL value, which might lead to unauthorized data access or modification.
Exploit prediction scoring system (EPSS) score for CVE-2023-0568
Probability of exploitation activity in the next 30 days: 0.09%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 36 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2023-0568
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
8.1
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
[email protected] |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.6
|
5.9
|
[email protected] |
CWE ids for CVE-2023-0568
-
The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.Assigned by: [email protected] (Secondary)
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: [email protected] (Primary)
References for CVE-2023-0568
-
https://bugs.php.net/bug.php?id=81746
Exploit;Issue Tracking;Patch;Vendor Advisory
- https://security.netapp.com/advisory/ntap-20230517-0001/
Products affected by CVE-2023-0568
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*