Vulnerability Description
receive.c in fastd before v21 allows denial of service (assertion failure) when receiving packets with an invalid type code.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fastd Project | Fastd | < 21.0 |
| Debian | Debian Linux | 9.0 |
| Fedoraproject | Fedora | 31 |
Related Weaknesses (CWE)
References
- https://bugs.debian.org/972521Issue TrackingThird Party Advisory
- https://fastd.readthedocs.io/en/stable/releases/v21.htmlBroken LinkRelease NotesThird Party Advisory
- https://github.com/NeoRaider/fastd/commit/737925113363b6130879729cdff9ccc46c33eaPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00025.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://bugs.debian.org/972521Issue TrackingThird Party Advisory
- https://fastd.readthedocs.io/en/stable/releases/v21.htmlBroken LinkRelease NotesThird Party Advisory
- https://github.com/NeoRaider/fastd/commit/737925113363b6130879729cdff9ccc46c33eaPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00025.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2020-27638?
CVE-2020-27638 is a vulnerability with a CVSS score of 7.5 (HIGH). receive.c in fastd before v21 allows denial of service (assertion failure) when receiving packets with an invalid type code.
How severe is CVE-2020-27638?
CVE-2020-27638 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-27638?
Check the references section above for vendor advisories and patch information. Affected products include: Fastd Project Fastd, Debian Debian Linux, Fedoraproject Fedora.