CVE-2020-7065

CVSS V2 Medium 6.8 CVSS V3 High 8.8
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.
Overview
  • CVE ID
  • CVE-2020-7065
  • Assigner
  • security@php.net
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-04-01T04:15:13
  • Last Modified Date
  • 2021-12-02T22:09:02
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* 1 OR 7.3.0 7.3.16
cpe:2.3:a:php:php:*:*:*:*:*:*:*:* 1 OR 7.4.0 7.4.4
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:* 1 OR 5.19.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://bugs.php.net/bug.php?id=79371 Exploit Issue Tracking Patch Vendor Advisory
https://security.netapp.com/advisory/ntap-20200403-0001/ Third Party Advisory
https://usn.ubuntu.com/4330-1/ Third Party Advisory
https://usn.ubuntu.com/4330-2/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4719 Third Party Advisory
https://www.php.net/ChangeLog-7.php#7.4.4 Release Notes Vendor Advisory
https://www.tenable.com/security/tns-2021-14 Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.html Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-7065
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7065
History
Created Old Value New Value Data Type Notes
2022-05-10 06:43:24 Added to TrackCVE
2022-12-04 13:44:53 2020-04-01T04:15Z 2020-04-01T04:15:13 CVE Published Date updated
2022-12-04 13:44:53 2021-12-02T22:09:02 CVE Modified Date updated
2022-12-04 13:44:53 Analyzed Vulnerability Status updated