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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Systemd Project | Systemd | 245 |
| Fedoraproject | Fedora | 33 |
| Netapp | Active Iq Unified Manager | - |
| Netapp | Cloud Backup | - |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/08/04/2Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/17/3Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/07/3Mailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202107-48Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210625-0005/Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142ExploitThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/04/2Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/08/17/3Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/09/07/3Mailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202107-48Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210625-0005/Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1142ExploitThird Party Advisory
FAQ
What is CVE-2020-13529?
CVE-2020-13529 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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 atta...
How severe is CVE-2020-13529?
CVE-2020-13529 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-13529?
Check the references section above for vendor advisories and patch information. Affected products include: Systemd Project Systemd, Fedoraproject Fedora, Netapp Active Iq Unified Manager, Netapp Cloud Backup.