CVE-2020-27638

high

Description

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

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WSMH65GHKHMJAK2VMPROIPIUS4IA63CW/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GUZ3AGTAXH7OOP45F5WXBVRQ3IDWUR7M/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D2LNSF2LI4RQ7BVGHTJQUJWP7RVGHDTK/

https://lists.debian.org/debian-lts-announce/2020/10/msg00025.html

https://github.com/NeoRaider/fastd/commit/737925113363b6130879729cdff9ccc46c33eaea

https://fastd.readthedocs.io/en/stable/releases/v21.html

https://bugs.debian.org/972521

Details

Source: Mitre, NVD

Published: 2020-10-22

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High