7.5
HIGH
CVE-2017-15908
Systemd DNS NSEC Infinite Loop Vulnerability
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.

INFO

Published Date :

Oct. 26, 2017, 2:29 p.m.

Last Modified :

Feb. 20, 2022, 5:58 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2017-15908 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2017-15908 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Canonical ubuntu_linux
1 Systemd_project systemd
: Total Affected Vendor : 2 | Products : 2
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-15908.

URL Resource
http://www.securityfocus.com/bid/101600 VDB Entry Third Party Advisory
http://www.securitytracker.com/id/1039662 Third Party Advisory VDB Entry
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351 Issue Tracking Patch Third Party Advisory
https://github.com/systemd/systemd/pull/7184 Issue Tracking Patch Third Party Advisory
https://usn.ubuntu.com/3558-1/ Patch Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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yfoelling/yair

Security scan Images with Clair

Python Dockerfile

Updated: 8 months, 4 weeks ago
28 stars 10 fork 10 watcher
Born at : Oct. 22, 2017, 2:26 p.m. This repo has been linked 38 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-15908 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-15908 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Feb. 20, 2022

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://usn.ubuntu.com/3558-1/ No Types Assigned https://usn.ubuntu.com/3558-1/ Patch, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:233:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:233:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:235:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:235:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:227:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:227:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:226:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:226:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:229:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:229:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:228:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:228:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:231:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:231:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:230:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:230:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:234:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:234:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:232:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:232:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:223:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:223:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:225:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:225:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 28, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:224:*:*:*:*:*:*:* OR *cpe:2.3:a:systemd_project:systemd:224:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-20 CWE-835
  • CVE Modified by [email protected]

    Mar. 16, 2018

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3558-1/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Nov. 08, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351 No Types Assigned https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://github.com/systemd/systemd/pull/7184 No Types Assigned https://github.com/systemd/systemd/pull/7184 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type http://www.securitytracker.com/id/1039662 No Types Assigned http://www.securitytracker.com/id/1039662 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securityfocus.com/bid/101600 No Types Assigned http://www.securityfocus.com/bid/101600 Third Party Advisory, VDB Entry
    Added CWE CWE-20
    Added CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:223:*:*:*:*:*:*:* *cpe:2.3:a:freedesktop:systemd:224:*:*:*:*:*:*:* *cpe:2.3:a:freedesktop:systemd:225:*:*:*:*:*:*:* *cpe:2.3:a:freedesktop:systemd:226:*:*:*:*:*:*:* *cpe:2.3:a:freedesktop:systemd:227:*:*:*:*:*:*:* *cpe:2.3:a:freedesktop:systemd:228:*:*:*:*:*:*:* *cpe:2.3:a:freedesktop:systemd:229:*:*:*:*:*:*:* *cpe:2.3:a:freedesktop:systemd:230:*:*:*:*:*:*:* *cpe:2.3:a:freedesktop:systemd:231:*:*:*:*:*:*:* *cpe:2.3:a:freedesktop:systemd:232:*:*:*:*:*:*:* *cpe:2.3:a:freedesktop:systemd:233:*:*:*:*:*:*:* *cpe:2.3:a:freedesktop:systemd:234:*:*:*:*:*:*:* *cpe:2.3:a:freedesktop:systemd:235:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 29, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/101600 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 28, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1039662 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-15908 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2017-15908 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

95.50 }} -0.42%

score

0.99060

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: