Authentication Bypass Affecting systemd package, versions <249.4-2
Threat Intelligence
EPSS
0.14% (50th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN12-SYSTEMD-1560561
- published 12 May 2021
- disclosed 10 May 2021
Introduced: 10 May 2021
CVE-2020-13529 Open this link in a new tabHow to fix?
Upgrade Debian:12 systemd to version 249.4-2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream systemd package and not the systemd package as distributed by Debian.
See How to fix? for Debian:12 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.
References
- https://security-tracker.debian.org/tracker/CVE-2020-13529
- https://security.netapp.com/advisory/ntap-20210625-0005/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
- https://security.gentoo.org/glsa/202107-48
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142
- http://www.openwall.com/lists/oss-security/2021/08/04/2
- http://www.openwall.com/lists/oss-security/2021/08/17/3
- http://www.openwall.com/lists/oss-security/2021/09/07/3
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
CVSS Scores
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