YADIFA up to 2.2.5 DNS Packet Parser resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in YADIFA up to 2.2.5 and classified as problematic. This issue affects some unknown processing of the component DNS Packet Parser. Such manipulation leads to resource consumption. This vulnerability is referenced as CVE-2017-14339. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in YADIFA up to 2.2.5 (Domain Name Software) and classified as problematic. Affected by this issue is an unknown code of the component DNS Packet Parser. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

The DNS packet parser in YADIFA before 2.2.6 does not check for the presence of infinite pointer loops, and thus it is possible to force it to enter an infinite loop. This can cause high CPU usage and makes the server unresponsive.

The bug was discovered 09/12/2017. The weakness was published 09/20/2017 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2017-14339 since 09/12/2017. 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 MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103992 (Debian DSA-4001-1 : yadifa - 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176213 (Debian Security Update for yadifa (DSA 4001-1)).

Upgrading to version 2.2.6 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103992). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 103992
Nessus Name: Debian DSA-4001-1 : yadifa - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53379
OpenVAS Name: Debian Security Advisory DSA 4001-1 (yadifa - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: YADIFA 2.2.6

Timelineinfo

09/12/2017 🔍
09/12/2017 +0 days 🔍
09/20/2017 +8 days 🔍
09/20/2017 +0 days 🔍
09/20/2017 +0 days 🔍
10/19/2017 +29 days 🔍
10/20/2017 +1 days 🔍
11/18/2019 +759 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-14339 (🔍)
GCVE (CVE): GCVE-0-2017-14339
GCVE (VulDB): GCVE-100-106880

OVAL: 🔍

Entryinfo

Created: 09/20/2017 23:18
Updated: 11/18/2019 08:11
Changes: 09/20/2017 23:18 (74), 11/18/2019 08:11 (3)
Complete: 🔍
Cache ID: 216:A08:103

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

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