Vulnerability Description
In systemd 223 through 235, a remote DNS server can respond with a custom crafted DNS NSEC resource record to trigger an infinite loop in the dns_packet_read_type_window() function of the 'systemd-resolved' service and cause a DoS of the affected service.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Systemd Project | Systemd | 223 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/101600Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039662Third Party AdvisoryVDB Entry
- https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351Issue TrackingPatchThird Party Advisory
- https://github.com/systemd/systemd/pull/7184Issue TrackingPatchThird Party Advisory
- https://usn.ubuntu.com/3558-1/PatchThird Party Advisory
- http://www.securityfocus.com/bid/101600Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1039662Third Party AdvisoryVDB Entry
- https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351Issue TrackingPatchThird Party Advisory
- https://github.com/systemd/systemd/pull/7184Issue TrackingPatchThird Party Advisory
- https://usn.ubuntu.com/3558-1/PatchThird Party Advisory
FAQ
What is CVE-2017-15908?
CVE-2017-15908 is a vulnerability with a CVSS score of 7.5 (HIGH). In systemd 223 through 235, a remote DNS server can respond with a custom crafted DNS NSEC resource record to trigger an infinite loop in the dns_packet_read_type_window() function of the 'systemd-res...
How severe is CVE-2017-15908?
CVE-2017-15908 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-15908?
Check the references section above for vendor advisories and patch information. Affected products include: Systemd Project Systemd, Canonical Ubuntu Linux.