ISC BIND up to 9.11.37-S1/9.16.45-S1/9.18.21-S1 ECS-Enabled Cache resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in ISC BIND up to 9.11.37-S1/9.16.45-S1/9.18.21-S1. The affected element is an unknown function of the component ECS-Enabled Cache Handler. This manipulation causes resource consumption. This vulnerability is tracked as CVE-2023-5680. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in ISC BIND up to 9.11.37-S1/9.16.45-S1/9.18.21-S1 (Domain Name Software). Affected by this vulnerability is some unknown processing of the component ECS-Enabled Cache Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

If a resolver cache has a very large number of ECS records stored for the same name, the process of cleaning the cache database node for this name can significantly impair query performance. This issue affects BIND 9 versions 9.11.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

The weakness was disclosed 02/13/2024. It is possible to read the advisory at kb.isc.org. This vulnerability is known as CVE-2023-5680 since 10/20/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 9.16.48-S1 or 9.18.24-S1 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

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: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (Internet Systems Consortium (ISC)): 🔍

CVSSv2info

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

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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIND 9.16.48-S1/9.18.24-S1

Timelineinfo

10/20/2023 🔍
02/13/2024 +116 days 🔍
02/13/2024 +0 days 🔍
03/04/2024 +20 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: kb.isc.org
Status: Confirmed

CVE: CVE-2023-5680 (🔍)
GCVE (CVE): GCVE-0-2023-5680
GCVE (VulDB): GCVE-100-253567

Entryinfo

Created: 02/13/2024 15:22
Updated: 03/04/2024 08:30
Changes: 02/13/2024 15:22 (50), 03/04/2024 08:30 (1)
Complete: 🔍
Cache ID: 216::103

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