ISC BIND up to 9.8.8/9.11.29/9.16.13/9.17.11 IXFR denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in ISC BIND up to 9.8.8/9.11.29/9.16.13/9.17.11 and classified as problematic. This affects an unknown function of the component IXFR Handler. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2021-25214. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in ISC BIND up to 9.8.8/9.11.29/9.16.13/9.17.11 (Domain Name Software). It has been rated as problematic. Affected by this issue is an unknown code of the component IXFR Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was presented 04/29/2021. The advisory is shared for download at kb.isc.org. This vulnerability is handled as CVE-2021-25214. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 9.11.31, 9.16.15 or 9.17.12 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

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

Exploitinginfo

Class: Denial of service
CWE: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIND 9.11.31/9.16.15/9.17.12

Timelineinfo

01/15/2021 🔍
04/29/2021 +103 days 🔍
04/29/2021 +0 days 🔍
05/03/2021 +4 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: kb.isc.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-25214 (🔍)
GCVE (CVE): GCVE-0-2021-25214
GCVE (VulDB): GCVE-100-174248

Entryinfo

Created: 04/29/2021 09:10
Updated: 05/03/2021 06:41
Changes: 04/29/2021 09:10 (39), 05/03/2021 06:28 (6), 05/03/2021 06:41 (1)
Complete: 🔍
Cache ID: 216::103

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