Buffer overflow in fastd - CVE-2020-27638
Published: October 22, 2020 / Updated: November 1, 2020
Vulnerability identifier: #VU48061
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-27638
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
fastd
fastd
Software vendor:
NeoRaider (Matthias Schiffer)
NeoRaider (Matthias Schiffer)
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
receive.c in fastd before v21 allows denial of service (assertion failure) when receiving packets with an invalid type code.
Remediation
Install update from vendor's website.