CVE-2024-0760: DoS (CVSS 7.5)

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.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-770 CWE-770

References

Other References

http://www.openwall.com/lists/oss-security/2024/07/23/1 http://www.openwall.com/lists/oss-security/2024/07/31/2 https://kb.isc.org/docs/cve-2024-0760 http://www.openwall.com/lists/oss-security/2024/07/23/1 https://kb.isc.org/docs/cve-2024-0760 https://security.netapp.com/advisory/ntap-20240731-0004/

Frequently Asked Questions

What is CVE-2024-0760? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-0760? +

CVE-2024-0760 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2024-0760? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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