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.
CVSS breakdown
CVSS 3.0
Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Affected products
References
- MISChttps://talosintelligence.com/vulnerability_reports/TALOS-2020-1142
- MISChttps://security.gentoo.org/glsa/202107-48
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42TMJVNYRY65B4QCJICBYOEIVZV3KUYI/
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2021/08/04/2
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2021/08/17/3
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2021/09/07/3
- MISChttps://security.netapp.com/advisory/ntap-20210625-0005/
Updated 16m ago · 8 sources