NULL Pointer Dereference Affecting php package, versions [7.3.0,7.3.27)[7.4.0,7.4.15)[8.0.0,8.0.2)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.79% (82nd percentile)

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  • Snyk IDSNYK-UNMANAGED-PHP-2335380
  • published12 Jan 2022
  • disclosed15 Feb 2021
  • creditUnknown

Introduced: 15 Feb 2021

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

How to fix?

Upgrade php to version 7.3.27, 7.4.15, 8.0.2 or higher.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference. 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.

References

CVSS Scores

version 3.1