5.0
MEDIUM CVSS 2.0
CVE-2006-4252
PowerDNS Recursor DNS Denial of Service (DoS)
Description

PowerDNS Recursor 3.1.3 and earlier allows remote attackers to cause a denial of service (resource exhaustion and application crash) via a CNAME record with a zero TTL, which triggers an infinite loop.

INFO

Published Date :

Nov. 14, 2006, 8:07 p.m.

Last Modified :

April 9, 2025, 12:30 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2006-4252 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 Powerdns recursor
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
Solution
The PowerDNS Recursor is vulnerable to a denial-of-service vulnerability and should be updated.
  • Upgrade to PowerDNS Recursor version 3.1.4 or later.
  • Apply the relevant patch.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2006-4252 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-2006-4252 weaknesses.

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-2006-4252 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2006-4252 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://doc.powerdns.com/powerdns-advisory-2006-02.html
    Added Reference http://lists.suse.com/archive/suse-security-announce/2006-Nov/0007.html
    Added Reference http://secunia.com/advisories/22824
    Added Reference http://secunia.com/advisories/22976
    Added Reference http://www.securityfocus.com/bid/21037
    Added Reference http://www.vupen.com/english/advisories/2006/4484
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/30257
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Jul. 20, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/30257 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/30257 [No Types Assigned]
  • Initial Analysis by [email protected]

    Nov. 14, 2006

    Action Type Old Value New Value
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.
Vulnerability Scoring Details
Base CVSS Score: 5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

0.01 }} -0.00%

score

0.00743

percentile