Buffer overflow in fastd - CVE-2020-27638

 

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
Software vendor:
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.

External links