CVE-2023-0567 (GCVE-0-2023-0567)

Vulnerability from cvelistv5 – Published: 2023-02-16 06:15 – Updated: 2024-08-02 05:17
VLAI?
Title
password_verify() always returns true for some invalid hashes
Summary
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. 
Severity ?
7.7 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
  • n/a
Assigner
php
References
Impacted products
Vendor Product Version
PHP Group PHP Affected: 8.0.x , < 8.0.28 (semver)
Affected: 8.1.x , < 8.1.16 (semver)
Affected: 8.2.x , < 8.2.3 (semver)
Create a notification for this product.
Credits
Tim Düsterhus tech at mkdgs dot fr
Show details on NVD website
To clipboard 

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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.