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CVE-2017-15908

nvd nist
Published: Oct 26, 2017Modified: May 13, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: 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.

Affected (15)

Systemd Project
1 product
Systemd
Canonical
1 product
Ubuntu Linux
Configuration A
13 vulnerable
Vulnerable SoftwareAffected Versions
Systemd Project
Systemd
Version 223
Systemd
Version 224
Systemd
Version 225
Systemd
Version 226
Systemd
Version 227
Systemd
Version 228
Systemd
Version 229
Systemd
Version 230
Systemd
Version 231
Systemd
Version 232
Systemd
Version 233
Systemd
Version 234
Systemd
Version 235
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Canonical
Ubuntu Linux
Version 14.04
Ubuntu Linux
Version 16.04

Related CWEs

CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

References (10)

Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Issue TrackingPatchThird Party Advisory
Source: cve@mitre.org
Issue TrackingPatchThird Party Advisory
Source: cve@mitre.org
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory

Timeline

No history available yet.