Medium severity · published Mar 1, 2023
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
6.2
CVSS
0.9%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
PHP · PHP
8.0.0 before 8.0.28; 8.1.0 before 8.1.16; 8.2.0 before 8.2.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-0567
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-0567
Vendor Advisory
https://bugs.php.net/bug.php?id=81744
Exploit
https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4
security.netapp.com
https://security.netapp.com/advisory/ntap-20230331-0008/
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