CVE-2021-21702

high

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

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

Details

Source: MITRE

Published: 2021-02-15

Updated: 2021-12-10

Type: CWE-476

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

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

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH