Vulnerabilities > CVE-2020-27638 - Reachable Assertion vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
receive.c in fastd before v21 allows denial of service (assertion failure) when receiving packets with an invalid type code.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://fastd.readthedocs.io/en/stable/releases/v21.html
- https://bugs.debian.org/972521
- 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%40lists.fedoraproject.org/message/GUZ3AGTAXH7OOP45F5WXBVRQ3IDWUR7M/
- 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/D2LNSF2LI4RQ7BVGHTJQUJWP7RVGHDTK/