PowerDNS Recursor/Authoritative Server Label Decompressor resource management

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in PowerDNS Recursor and Authoritative Server and classified as problematic. Affected by this issue is some unknown functionality of the component Label Decompressor. Such manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2015-5470. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in PowerDNS Recursor and Authoritative Server (Domain Name Software) (the affected version is unknown). It has been rated as problematic. Affected by this issue is an unknown code of the component Label Decompressor. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

The label decompression functionality in PowerDNS Recursor before 3.6.4 and 3.7.x before 3.7.3 and Authoritative (Auth) Server before 3.3.3 and 3.4.x before 3.4.5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a request with a long name that refers to itself. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1868.

The weakness was disclosed 11/02/2015 (Website). The advisory is shared for download at doc.powerdns.com. This vulnerability is handled as CVE-2015-5470 since 07/10/2015. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 84649 (Debian DSA-3306-1 : pdns - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (84649), SecurityFocus (BID 74306†) and Vulnerability Center (SBV-54144†). The entry VDB-75432 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 84649
Nessus Name: Debian DSA-3306-1 : pdns - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703306
OpenVAS Name: Debian Security Advisory DSA 3306-1 (pdns - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/04/2015 🔍
07/09/2015 +66 days 🔍
07/10/2015 +1 days 🔍
07/13/2015 +3 days 🔍
11/02/2015 +112 days 🔍
11/02/2015 +0 days 🔍
11/03/2015 +1 days 🔍
11/04/2015 +1 days 🔍
03/10/2018 +857 days 🔍

Sourcesinfo

Advisory: doc.powerdns.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5470 (🔍)
GCVE (CVE): GCVE-0-2015-5470
GCVE (VulDB): GCVE-100-78992
SecurityFocus: 74306
Vulnerability Center: 54144 - PowerDNS Recursor <3.6.4, <3.7.3 and Auth Server Remote DoS due to Label Decompression, High

See also: 🔍

Entryinfo

Created: 11/03/2015 09:22
Updated: 03/10/2018 11:10
Changes: 11/03/2015 09:22 (64), 03/10/2018 11:10 (4)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!