Vulnerability Details : CVE-2023-0567
In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.
Exploit prediction scoring system (EPSS) score for CVE-2023-0567
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 12 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2023-0567
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
6.2
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
2.5
|
3.6
|
[email protected] |
|
7.7
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
2.5
|
5.2
|
[email protected] |
CWE ids for CVE-2023-0567
-
The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive.Assigned by: [email protected] (Primary)
References for CVE-2023-0567
-
https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4
Exploit;Vendor Advisory
-
https://bugs.php.net/bug.php?id=81744
Vendor Advisory
Products affected by CVE-2023-0567
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
- cpe:2.3:a:php:php:*:*:*:*:*:*:*:*