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CVE-2024-0760— A flood of DNS messages over TCP may make the server unstable

Quick assessment

Affected
ISC BIND 9
Exploitation
Public or AI PoC available; prioritize validation
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ISC开源的一套实现了DNS协议的开源软件。 ISC BIND 9存在安全漏洞，该漏洞源于TCP上的大量DNS消息可能会使服务器不稳定。

CVSS 7.5 · High EPSS 4.68% · P92
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I. Basic Information for CVE-2024-0760

Vulnerability Information
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Vulnerability Title
A flood of DNS messages over TCP may make the server unstable
Source: CVE Program / CVE List V5
Vulnerability Description
A malicious client can send many DNS messages over TCP, potentially causing the server to become unstable while the attack is in progress. The server may recover after the attack ceases. Use of ACLs will not mitigate the attack. This issue affects BIND 9 versions 9.18.1 through 9.18.27, 9.19.0 through 9.19.24, and 9.18.11-S1 through 9.18.27-S1.
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:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ISC BIND 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC BIND是ISC开源的一套实现了DNS协议的开源软件。 ISC BIND 9存在安全漏洞，该漏洞源于TCP上的大量DNS消息可能会使服务器不稳定。
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 9 9.18.1 ~ 9.18.27 -

II. Public POCs for CVE-2024-0760

# POC Description Source Link Shenlong Link
1 CVE-2024-0760 https://github.com/SpiralBL0CK/CVE-2024-0760 POC Details
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III. Intelligence Information for CVE-2024-0760

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Mailing List Discussions for CVE-2024-0760 (2)

Other References for CVE-2024-0760 (1)

Same Patch Batch · ISC · 2024-07-23 · 4 CVEs total

CVE-2024-1737 7.5 HIGH BIND's database will be slow if a very large number of RRs exist at the same name
CVE-2024-1975 7.5 HIGH SIG(0) can be used to exhaust CPU resources
CVE-2024-4076 7.5 HIGH Assertion failure when serving both stale cache data and authoritative zone content

IV. Related Vulnerabilities

Same product: BIND 9
Same vendor: ISC

V. Comments for CVE-2024-0760

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