Buffer Overflow Affecting php7-ctype package, versions <7.4.6-150200.3.41.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating

    Threat Intelligence

    EPSS
    0.79% (82nd percentile)

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  • Snyk ID SNYK-SLES152-PHP7CTYPE-2935718
  • published 25 Jun 2022
  • disclosed 24 Jun 2022

How to fix?

Upgrade SLES:15.2 php7-ctype to version 7.4.6-150200.3.41.1 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 versions 7.4.x below 7.4.30, 8.0.x below 8.0.20, and 8.1.x below 8.1.7, when pdo_mysql extension with mysqlnd driver, if the third party is allowed to supply host to connect to and the password for the connection, password of excessive length can trigger a buffer overflow in PHP, which can lead to a remote code execution vulnerability.

CVSS Scores

version 3.1
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NVD

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

7.5 high
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Red Hat

8.8 high