NULL Pointer Dereference Affecting php7.4 package, versions <7.4.3-4ubuntu2.5
Threat Intelligence
EPSS
1.23% (86th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU2004-PHP74-1124668
- published 5 Jul 2021
- disclosed 15 Feb 2021
Introduced: 15 Feb 2021
CVE-2021-21702 Open this link in a new tabHow to fix?
Upgrade Ubuntu:20.04 php7.4 to version 7.4.3-4ubuntu2.5 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream php7.4 package and not the php7.4 package as distributed by Ubuntu.
See How to fix? for Ubuntu:20.04 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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2021-21702
- https://bugs.php.net/bug.php?id=80672
- https://security.netapp.com/advisory/ntap-20210312-0005/
- https://www.tenable.com/security/tns-2021-14
- https://www.debian.org/security/2021/dsa-4856
- https://security.gentoo.org/glsa/202105-23
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://lists.debian.org/debian-lts-announce/2021/07/msg00008.html
CVSS Scores
version 3.1