7.5
HIGH
CVE-2017-9217
systemd-resolved DNS Denial of Service (DoS)
Description

systemd-resolved through 233 allows remote attackers to cause a denial of service (daemon crash) via a crafted DNS response with an empty question section.

INFO

Published Date :

May 24, 2017, 5:29 a.m.

Last Modified :

Jan. 31, 2022, 6:09 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2017-9217 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 Systemd_project systemd
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-2017-9217.

URL Resource
http://www.securityfocus.com/bid/98677 Third Party Advisory VDB Entry
https://github.com/systemd/systemd/commit/a924f43f30f9c4acaf70618dd2a055f8b0f166be Issue Tracking Patch Third Party Advisory
https://github.com/systemd/systemd/pull/5998 Issue Tracking Patch Third Party Advisory
https://launchpad.net/bugs/1621396 Issue Tracking 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).

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

The following list is the news that have been mention CVE-2017-9217 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-9217 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
  • Reanalysis by [email protected]

    Jan. 31, 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
    Removed CWE NIST CWE-20
    Added CWE NIST CWE-476
    Changed CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:* versions up to (including) 233 OR *cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* versions up to (including) 233
  • Initial Analysis by [email protected]

    Jun. 06, 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 http://www.securityfocus.com/bid/98677 No Types Assigned http://www.securityfocus.com/bid/98677 Third Party Advisory, VDB Entry
    Changed Reference Type https://github.com/systemd/systemd/pull/5998 No Types Assigned https://github.com/systemd/systemd/pull/5998 Issue Tracking, Patch, Third Party Advisory
    Changed Reference Type https://launchpad.net/bugs/1621396 No Types Assigned https://launchpad.net/bugs/1621396 Issue Tracking, Third Party Advisory
    Changed Reference Type https://github.com/systemd/systemd/commit/a924f43f30f9c4acaf70618dd2a055f8b0f166be No Types Assigned https://github.com/systemd/systemd/commit/a924f43f30f9c4acaf70618dd2a055f8b0f166be Issue Tracking, Patch, Third Party Advisory
    Added CWE CWE-20
    Added CPE Configuration OR *cpe:2.3:a:freedesktop:systemd:233:*:*:*:*:*:*:* (and previous)
  • CVE Modified by [email protected]

    May. 30, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/98677 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 27, 2017

    Action Type Old Value New Value
    Added Reference https://github.com/systemd/systemd/commit/a924f43f30f9c4acaf70618dd2a055f8b0f166be [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-2017-9217 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-2017-9217 weaknesses.

Exploit Prediction

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

0.71 }} 0.08%

score

0.77456

percentile

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