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CVE-2022-0396— DoS from specifically crafted TCP packets

Quick assessment

Affected
ISC BIND
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ISC BIND是美国ISC公司的一套实现了DNS协议的开源软件。 ISC BIND 存在资源管理错误漏洞，该漏洞源于当客户端未正确关闭连接时，启用“keep-response-order”的TCP连接可能会使TCP接口处于“CLOSE_WAIT”状态。

CVSS 5.3 · Medium EPSS 2.70% · P86

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-0396

Vulnerability Information
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Vulnerability Title
DoS from specifically crafted TCP packets
Source: CVE Program / CVE List V5
Vulnerability Description
BIND 9.16.11 -> 9.16.26, 9.17.0 -> 9.18.0 and versions 9.16.11-S1 -> 9.16.26-S1 of the BIND Supported Preview Edition. Specifically crafted TCP streams can cause connections to BIND to remain in CLOSE_WAIT status for an indefinite period of time, even after the client has terminated the connection.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ISC BIND 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC BIND是美国ISC公司的一套实现了DNS协议的开源软件。 ISC BIND 存在资源管理错误漏洞，该漏洞源于当客户端未正确关闭连接时，启用“keep-response-order”的TCP连接可能会使TCP接口处于“CLOSE_WAIT”状态。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ISC BIND Open Source Branch 9.16 9.16.11 through versions before 9.16.27 -

II. Public POCs for CVE-2022-0396

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III. Intelligence Information for CVE-2022-0396

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Vendor Advisories for CVE-2022-0396 (3)

Mailing List Discussions for CVE-2022-0396 (1)

Other References for CVE-2022-0396 (1)

Same Patch Batch · ISC · 2022-03-23 · 3 CVEs total

CVE-2022-0635 7.5 HIGH ISC BIND 安全漏洞
CVE-2021-25220 6.8 MEDIUM DNS forwarders - cache poisoning vulnerability

IV. Related Vulnerabilities

Same product: BIND
Same vendor: ISC

V. Comments for CVE-2022-0396

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