CVE-2017-15908

7.5 HIGH
Published: October 26, 2017 Modified: May 13, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/101600
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039662
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory
https://github.com/systemd/systemd/pull/7184
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory
https://usn.ubuntu.com/3558-1/
Source: cve@mitre.org
Patch Third Party Advisory
http://www.securityfocus.com/bid/101600
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1039662
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://github.com/systemd/systemd/pull/7184
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://usn.ubuntu.com/3558-1/
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory

10 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
23.6%
98th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

systemd_project canonical