Videolabs libmicrodns 0.1.0 mDNS Message integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Videolabs libmicrodns 0.1.0. Impacted is an unknown function of the component mDNS Message Handler. Such manipulation leads to integer overflow. This vulnerability is traded as CVE-2020-6073. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Videolabs libmicrodns 0.1.0. It has been rated as critical. Affected by this issue is an unknown code block of the component mDNS Message Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An exploitable denial-of-service vulnerability exists in the TXT record-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing the RDATA section in a TXT record in mDNS messages, multiple integer overflows can be triggered, leading to a denial of service. An attacker can send an mDNS message to trigger this vulnerability.

The weakness was shared 03/24/2020. This vulnerability is handled as CVE-2020-6073 since 01/07/2020. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 214737 (Ubuntu 18.04 LTS : libmicrodns vulnerabilities (USN-7239-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.1.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (214737). The entries VDB-152238, VDB-152237, VDB-152236 and VDB-152235 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Talos): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 214737
Nessus Name: Ubuntu 18.04 LTS : libmicrodns vulnerabilities (USN-7239-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libmicrodns 0.1.2

Timelineinfo

01/07/2020 🔍
03/24/2020 +77 days 🔍
03/25/2020 +1 days 🔍
05/05/2026 +2232 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Status: Confirmed

CVE: CVE-2020-6073 (🔍)
GCVE (CVE): GCVE-0-2020-6073
GCVE (VulDB): GCVE-100-152234
See also: 🔍

Entryinfo

Created: 03/25/2020 11:03
Updated: 05/05/2026 11:48
Changes: 03/25/2020 11:03 (36), 03/25/2020 11:08 (17), 05/11/2024 10:31 (17), 05/11/2024 10:36 (10), 01/29/2025 06:32 (2), 05/05/2026 11:45 (2), 05/05/2026 11:48 (7)
Complete: 🔍
Committer: lywand
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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