CVE-2020-7065
7.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| PHP Group | PHP | 7.3.x < 7.3.16 | affected |
| PHP Group | PHP | 7.4.x < 7.4.4 | affected |
Weaknesses
- CWE-121: CWE-121 Stack-based Buffer Overflow
ADP Enrichment
CVE Program Container
Additional References
- https://usn.ubuntu.com/4330-1/
- https://usn.ubuntu.com/4330-2/
- https://www.debian.org/security/2020/dsa-4719
- https://security.netapp.com/advisory/ntap-20200403-0001/
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://bugs.php.net/bug.php?id=79371
- https://www.php.net/ChangeLog-7.php#7.4.4
- https://www.tenable.com/security/tns-2021-14
References
- https://usn.ubuntu.com/4330-1/
- https://usn.ubuntu.com/4330-2/
- https://www.debian.org/security/2020/dsa-4719
- https://security.netapp.com/advisory/ntap-20200403-0001/
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://bugs.php.net/bug.php?id=79371
- https://www.php.net/ChangeLog-7.php#7.4.4
- https://www.tenable.com/security/tns-2021-14
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