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Status published
Medium
CVE-2020-13529
An exploitable denial-of-service vulnerability exists in Systemd 245. A specially...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142
- https://security.gentoo.org/glsa/202107-48
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
- 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://security.netapp.com/advisory/ntap-20210625-0005/
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Affected Vendor
Affected Software
Systemd
Vulnerable Versions:
Canonical Ubuntu 20.04 LTS, Systemd 245
Timeline
Official Publish:
May 10th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H