kapetan dns up to 6.1.0 DNS/Protocol/Request.cs entropy

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in kapetan dns up to 6.1.0. Impacted is an unknown function of the file DNS/Protocol/Request.cs. Such manipulation leads to entropy. This vulnerability is listed as CVE-2021-4248. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in kapetan dns up to 6.1.0. It has been rated as problematic. Affected by this issue is an unknown function of the file DNS/Protocol/Request.cs. The manipulation with an unknown input leads to a entropy vulnerability. Using CWE to declare the problem leads to CWE-332. The lack of entropy available for, or used by, a Pseudo-Random Number Generator (PRNG) can be a stability and security threat. Impacted is confidentiality, integrity, and availability.

The weakness was presented 12/18/2022 as 88. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-4248. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1600.001.

Upgrading to version 7.0.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch cf7105aa2aae90d6656088fe5a8ee1d5730773b6 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Entropy
CWE: CWE-332 / CWE-331 / CWE-330
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: dns 7.0.0
Patch: cf7105aa2aae90d6656088fe5a8ee1d5730773b6

Timelineinfo

12/18/2022 🔍
12/18/2022 +0 days 🔍
12/18/2022 +0 days 🔍
01/15/2023 +28 days 🔍

Sourcesinfo

Product: github.com

Advisory: 88
Status: Confirmed

CVE: CVE-2021-4248 (🔍)
GCVE (CVE): GCVE-0-2021-4248
GCVE (VulDB): GCVE-100-216188

Entryinfo

Created: 12/18/2022 11:27
Updated: 01/15/2023 07:39
Changes: 12/18/2022 11:27 (43), 01/15/2023 07:39 (2)
Complete: 🔍
Cache ID: 216::103

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