NULL Pointer Dereference Affecting php:7.4/php-soap package, versions <0:7.4.19-1.module+el8.5.0+11143+cc873159


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.24% (87th percentile)

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  • Snyk IDSNYK-RHEL8-PHP-4165061
  • published26 Jul 2021
  • disclosed26 Jan 2021

Introduced: 26 Jan 2021

CVE-2021-21702  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade RHEL:8 php:7.4/php-soap to version 0:7.4.19-1.module+el8.5.0+11143+cc873159 or higher.
This issue was patched in RHSA-2021:4213.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php:7.4/php-soap package and not the php:7.4/php-soap package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

In PHP versions 7.3.x below 7.3.27, 7.4.x below 7.4.15 and 8.0.x below 8.0.2, when using SOAP extension to connect to a SOAP server, a malicious SOAP server could return malformed XML data as a response that would cause PHP to access a null pointer and thus cause a crash.

CVSS Scores

version 3.1