CVE-2021-21702

MEDIUM

PHP 7.3.0-7.3.26 - Denial of Service via SOAP Extension Null Pointer Dereference

Title source: llm
STIX 2.1

Description

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 (7)

Core 7
Core References
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugs.php.net/bug.php?id=80672
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2021/dsa-4856
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202105-23
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/07/msg00008.html
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuoct2021.html
Third Party Advisory x_refsource_confirm
https://www.tenable.com/security/tns-2021-14
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210312-0005/

Scores

CVSS v3 5.3
EPSS 0.0030
EPSS Percentile 53.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-476
Status published
Products (5)
debian/debian_linux 9.0
debian/debian_linux 10.0
netapp/clustered_data_ontap
oracle/communications_diameter_signaling_router 8.0.0 - 8.5.0
php/php 7.3.0 - 7.3.27
Published Feb 15, 2021
Tracked Since Feb 18, 2026