SB2020102508 - Fedora EPEL 8 update for fastd



SB2020102508 - Fedora EPEL 8 update for fastd

Published: October 25, 2020 Updated: April 25, 2025

Security Bulletin ID SB2020102508
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Buffer overflow (CVE-ID: CVE-2020-27638)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: 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


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.