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CVE-2020-7065
Published: Apr 1, 2020
Modified: Sep 17, 2024
PUBLISHED
CVSS v3.1
7.4
HIGH
Description
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.
| Vendor | Product | Versions |
|---|---|---|
PHP Group | PHP | affected 7.3.x - < 7.3.16affected 7.4.x - < 7.4.4 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High
References
USN-4330-1
vendor-advisory
x_refsource_UBUNTU
USN-4330-2
vendor-advisory
x_refsource_UBUNTU
DSA-4719
vendor-advisory
x_refsource_DEBIAN
https://security.netapp.com/advisory/ntap-20200403-0001/
x_refsource_CONFIRM
https://www.oracle.com/security-alerts/cpuoct2021.html
x_refsource_MISC
https://bugs.php.net/bug.php?id=79371
x_refsource_MISC
https://www.php.net/ChangeLog-7.php#7.4.4
x_refsource_CONFIRM
https://www.tenable.com/security/tns-2021-14
x_refsource_CONFIRM
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