CVEvulnerability

CVE-2017-15908

7.5 HIGH Published 2017-10-26 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-10-26
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-835

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 configurations

• systemd project systemd 223 • systemd project systemd 224 • systemd project systemd 225 • systemd project systemd 226 • systemd project systemd 227 • systemd project systemd 228 • systemd project systemd 229 • systemd project systemd 230 • systemd project systemd 231 • systemd project systemd 232 • systemd project systemd 233 • systemd project systemd 234 • systemd project systemd 235 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04

Related

Weakness · CWE (1)

  • CWE-835 Loop with Unreachable Exit Condition weakness

References