CVE-2021-21702 Information

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://bugs.php.net/bug.php?id=80672 https://www.debian.org/security/2021/dsa-4856 https://security.netapp.com/advisory/ntap-20210312-0005/ https://security.gentoo.org/glsa/202105-23 https://lists.debian.org/debian-lts-announce/2021/07/msg00008.html https://www.tenable.com/security/tns-2021-14 https://www.oracle.com/security-alerts/cpuoct2021.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5