Vulnerability Monitor

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CVE-2017-15908

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.

Published

2017-10-26T14:29:00.207

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-835
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application systemd_project systemd 223 Yes
Application systemd_project systemd 224 Yes
Application systemd_project systemd 225 Yes
Application systemd_project systemd 226 Yes
Application systemd_project systemd 227 Yes
Application systemd_project systemd 228 Yes
Application systemd_project systemd 229 Yes
Application systemd_project systemd 230 Yes
Application systemd_project systemd 231 Yes
Application systemd_project systemd 232 Yes
Application systemd_project systemd 233 Yes
Application systemd_project systemd 234 Yes
Application systemd_project systemd 235 Yes
Operating System canonical ubuntu_linux 14.04 Yes
Operating System canonical ubuntu_linux 16.04 Yes
References