CVE-2020-7067

high

Description

In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support (uncommon), urldecode() function can be made to access locations past the allocated memory, due to erroneously using signed numbers as array indexes.

References

https://bugs.php.net/bug.php?id=79465

https://security.netapp.com/advisory/ntap-20200504-0001/

https://www.debian.org/security/2020/dsa-4717

https://www.debian.org/security/2020/dsa-4719

https://www.oracle.com/security-alerts/cpuoct2020.html

https://www.oracle.com/security-alerts/cpuApr2021.html

https://www.tenable.com/security/tns-2021-14

Details

Source: MITRE

Published: 2020-04-27

Updated: 2022-05-16

Type: CWE-125

Risk Information

CVSS v2

Base Score: 5

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

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:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH