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CVE-2020-7067

Good to know:

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Date: April 27, 2020

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.

Language: C

Severity Score

Related Resources (10)

https://www.debian.org/security/2020/dsa-4717
https://www.oracle.com/security-alerts/cpuApr2021.html
https://security-tracker.debian.org/tracker/CVE-2020-7067
https://nvd.nist.gov/vuln/detail/CVE-2020-7067
https://www.tenable.com/security/tns-2021-14
https://www.oracle.com/security-alerts/cpuoct2020.html
https://www.debian.org/security/2020/dsa-4719
https://bugs.php.net/bug.php?id=79465
https://security.netapp.com/advisory/ntap-20200504-0001/
https://www.mend.io/vulnerability-database/CVE-2020-7067

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Unsigned to Signed Conversion Error

CWE-196

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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