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redhatcveRedhat.comRH:CVE-2023-0567
HistoryFeb 17, 2023 - 12:00 p.m.

CVE-2023-0567

2023-02-1712:00:22
redhat.com
access.redhat.com
88
php
vulnerability
bcrypt
buffer overread
security flaw
password validation

CVSS3

7.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS

0.001

Percentile

24.9%

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.

CVSS3

7.7

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS

0.001

Percentile

24.9%