Out-of-bounds Write Affecting php7-readline package, versions <7.2.34-150000.4.103.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.41% (74th percentile)

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  • Snyk IDSNYK-SLES150-PHP7READLINE-3134865
  • published19 Nov 2022
  • disclosed18 Nov 2022

Introduced: 18 Nov 2022

CVE-2021-21704  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 php7-readline to version 7.2.34-150000.4.103.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php7-readline package and not the php7-readline package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using Firebird PDO driver extension, a malicious database server could cause crashes in various database functions, such as getAttribute(), execute(), fetch() and others by returning invalid response data that is not parsed correctly by the driver. This can result in crashes, denial of service or potentially memory corruption.

CVSS Scores

version 3.1