Attacker Value
Low
CVE-2020-7065
CVE-2020-7065
(Last updated October 06, 2023) ▾
MITRE ATT&CK
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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.
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Technical Analysis
With a CVSS base score of 7.4 and 1.7 million code hits from a Github search, this is looking like it has potential.
CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
8.8 High
Impact Score:
5.9
Exploitability Score:
2.8
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Vendors
- canonical,
- debian,
- php,
- tenable
Products
- debian linux 10.0,
- php,
- tenable.sc,
- ubuntu linux 12.04,
- ubuntu linux 14.04,
- ubuntu linux 16.04,
- ubuntu linux 18.04,
- ubuntu linux 19.10,
- ubuntu linux 20.04
References
Advisory
