Missing Authentication for Critical Function Affecting libgudev1 package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
1.43% (73rd percentile)

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  • Snyk IDSNYK-CENTOS7-LIBGUDEV1-2004562
  • published26 Jul 2021
  • disclosed26 Apr 2021

Introduced: 26 Apr 2021

CVE-2020-13529  (opens in a new tab)
CWE-306  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 libgudev1.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgudev1 package and not the libgudev1 package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server.

CVSS Base Scores

version 3.1