CVE-2020-27638 Information

Description

receive.c in fastd before v21 allows denial of service (assertion failure) when receiving packets with an invalid type code.

CVSS Vector

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

Reference

https://bugs.debian.org/972521 https://fastd.readthedocs.io/en/stable/releases/v21.html https://github.com/NeoRaider/fastd/commit/737925113363b6130879729cdff9ccc46c33eaea https://lists.debian.org/debian-lts-announce/2020/10/msg00025.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D2LNSF2LI4RQ7BVGHTJQUJWP7RVGHDTK/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GUZ3AGTAXH7OOP45F5WXBVRQ3IDWUR7M/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WSMH65GHKHMJAK2VMPROIPIUS4IA63CW/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5