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CVE-2020-7454

Date: May 13, 2020

In FreeBSD 12.1-STABLE before r360971, 12.1-RELEASE before p5, 11.4-STABLE before r360971, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, libalias does not properly validate packet length resulting in modules causing an out of bounds read/write condition if no checking was built into the module.

Language: C

Severity Score

Related Resources (6)

https://www.zerodayinitiative.com/advisories/ZDI-20-659/
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:12.libalias.asc
https://nvd.nist.gov/vuln/detail/CVE-2020-7454
https://security.netapp.com/advisory/ntap-20200518-0005/
https://www.zerodayinitiative.com/advisories/ZDI-20-660/
https://www.mend.io/vulnerability-database/CVE-2020-7454

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Out-of-bounds Write

CWE-787

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): HIGH
Availability (A): HIGH

CVSS v2

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

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