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GoogleOSV:CVE-2021-4248

HistoryDec 18, 2022 - 11:15 a.m.

CVE-2021-4248

2022-12-1811:15:09

Google

osv.dev

kapetan dns

remote attack

insufficient entropy

vulnerability

upgrade

patch name

version 7.0.0

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

53.4%

JSON

A vulnerability was found in kapetan dns up to 6.1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file DNS/Protocol/Request.cs. The manipulation leads to insufficient entropy in prng. The attack may be launched remotely. Upgrading to version 7.0.0 is able to address this issue. The name of the patch is cf7105aa2aae90d6656088fe5a8ee1d5730773b6. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216188.

CPENameOperatorVersion
dnseq2.0.0
dnseq1.0.0
dnseq2.0.1
dnseq4.0.0
dnseq1.2.0
dnseq1.2.3
dnseq1.2.1
dnseq1.2.2
dnseq5.0.0
dnseq6.0.0

Name	Operator	Version
dns	eq	2.0.0
dns	eq	1.0.0
dns	eq	2.0.1
dns	eq	4.0.0
dns	eq	1.2.0
dns	eq	1.2.3
dns	eq	1.2.1
dns	eq	1.2.2
dns	eq	5.0.0
dns	eq	6.0.0

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References

github.com/kapetan/dns/commit/cf7105aa2aae90d6656088fe5a8ee1d5730773b6

github.com/kapetan/dns/pull/88

github.com/kapetan/dns/releases/tag/v7.0.0

vuldb.com/?id.216188

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.6 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

53.4%

JSON

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