7.5
HIGH
CVE-2017-15120
PowerDNS Recursor NULL Pointer Dereference Vulnerability
Description

An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a different class than IN. An unauthenticated remote attacker could cause a denial of service.

INFO

Published Date :

July 27, 2018, 3:29 p.m.

Last Modified :

Oct. 9, 2019, 11:24 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2017-15120 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-2017-15120 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 Debian debian_linux
1 Powerdns recursor
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-2017-15120.

URL Resource
http://seclists.org/oss-sec/2017/q4/382 Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/106335 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120 Issue Tracking Third Party Advisory
https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html Patch Vendor Advisory
https://www.debian.org/security/2017/dsa-4063 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).

PowerDNS CVE-2017-15120 / DO NOT ABUSE

Python

Updated: 3 months, 1 week ago
0 stars 2 fork 2 watcher
Born at : Oct. 16, 2018, 3:08 p.m. This repo has been linked 1 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-2017-15120 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-15120 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
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE Red Hat, Inc. CWE-476
  • Modified Analysis by [email protected]

    Apr. 30, 2019

    Action Type Old Value New Value
    Changed Reference Type http://www.securityfocus.com/bid/106335 No Types Assigned http://www.securityfocus.com/bid/106335 Third Party Advisory, VDB Entry
    Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Dec. 28, 2018

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/106335 [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 24, 2018

    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://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html No Types Assigned https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2017-08.html Patch, Vendor Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15120 Issue Tracking, Third Party Advisory
    Changed Reference Type http://seclists.org/oss-sec/2017/q4/382 No Types Assigned http://seclists.org/oss-sec/2017/q4/382 Mailing List, Patch, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2017/dsa-4063 No Types Assigned https://www.debian.org/security/2017/dsa-4063 Third Party Advisory
    Added CWE CWE-476
    Added CPE Configuration OR *cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:* versions up to (excluding) 4.0.8
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 29, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2017/dsa-4063 [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-2017-15120 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-2017-15120 weaknesses.

Exploit Prediction

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

0.45 }} -1.32%

score

0.75514

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability