Use of Password Hash With Insufficient Computational Effort Affecting php7-ctype package, versions <7.4.33-150200.3.51.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating

    Threat Intelligence

    EPSS
    0.05% (21st percentile)

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  • Snyk ID SNYK-SLES152-PHP7CTYPE-3330422
  • published 23 Feb 2023
  • disclosed 22 Feb 2023

How to fix?

Upgrade SLES:15.2 php7-ctype to version 7.4.33-150200.3.51.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php7-ctype package and not the php7-ctype package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

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 Scores

version 3.1
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NVD

6.2 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    High
  • Availability (A)
    None
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SUSE

6.5 medium
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Red Hat

5.3 medium