CVE-2017-15908

Aliases:DEBIAN-CVE-2017-15908CGA-52rh-6vg3-9rmjCGA-6435-6x39-jhjmCGA-6mmv-p562-hj88CGA-87pq-655p-wfp2CGA-99vj-6hf8-7x8mCGA-f2h6-89qj-wgj3CGA-f98j-475v-7cfgCGA-mjff-84p9-qvrqCGA-w7gp-6vg6-2pjgCGA-x7v8-fjm8-fm7h
Advisory lineage Upstream: 0 Downstream: 6
Modified
Published: 26 Oct 2017, 14:00
Last modified:05 Aug 2024, 20:04

Vulnerability Summary

Overall Risk (default)
medium
35/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
23.63% HIGH
24% probability +23.30%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Oct 2017, 14:00
Published
Vulnerability first disclosed
05 Aug 2024, 20:04
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 23.63%• Percentile: 98%

Techniques & Countermeasures

  • 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.

Affected Systems

  • chainguard•py3-systemd

    < 0

  • chainguard•py3.10-systemd

    < 0

  • chainguard•py3.11-systemd

    < 0

  • chainguard•py3.12-systemd

    < 0

  • chainguard•py3.13-systemd

    < 0

  • canonical•ubuntu_linux

    14.04 | 16.04

  • debian•systemd

    < 235-3 | < 235-3 | < 235-3 | < 235-3

  • systemd_project•systemd

    223 | 224 | 225 | 226 | 227 | 228 | 229 | 230 | 231 | 232 | 233 | 234 | 235

References (6)