Main Vulnerability Database Vulnerabilities #VU48061

Buffer overflow in fastd - CVE-2020-27638

Published: October 22, 2020 / Updated: November 1, 2020

Vulnerability identifier: #VU48061

CSH Severity: Medium

CVSS v4.0: 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

Vendor: NeoRaider (Matthias Schiffer)

Affected software:
fastd

Detailed vulnerability 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.

Install update from vendor's website.