CVE-2020-7454 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:12.libalias.asc https://security.netapp.com/advisory/ntap-20200518-0005/ https://www.zerodayinitiative.com/advisories/ZDI-20-659/ https://www.zerodayinitiative.com/advisories/ZDI-20-660/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8