Bug 2170771 (CVE-2023-0567) - CVE-2023-0567 php: Password_verify() always return true with some hash
Summary: CVE-2023-0567 php: Password_verify() always return true with some hash
Keywords:
Status: NEW
Alias: CVE-2023-0567
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2170775 2170776 2174690 2174691 2174692 2174693 2174694
Blocks: 2170009
TreeView+ depends on / blocked
 
Reported: 2023-02-17 08:34 UTC by Sandipan Roy
Modified: 2023-04-14 03:24 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in PHP. This security flaw occurs when malformatted BCrypt hashes that include a $ within their salt part trigger a buffer overread and may erroneously validate any password as valid.
Clone Of:
Environment:
Last Closed:

Attachments (Terms of Use)

Description Sandipan Roy 2023-02-17 08:34:30 UTC 
CVE-2023-0567[0]:
PHP: Password_verify() always return true with some hash

[0] https://security-tracker.debian.org/tracker/CVE-2023-0567
    https://www.cve.org/CVERecord?id=CVE-2023-0567
https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4
Comment 1 Sandipan Roy 2023-02-17 08:40:31 UTC 
Created php tracking bugs for this issue:

Affects: fedora-36 [bug 2170775]
Affects: fedora-37 [bug 2170776]
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