5.9

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2024-0567

CVE-2024-0567: A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate...

A vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed trust. This issue occurs when validating a certificate chain with cockpit-certificate-ensure. This flaw allows an unauthenticated, remote client or attacker to initiate a denial of service attack.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2024-0567

CVE-2024-0567:

5.9

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

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Root Cause Analysis

The analysis started by reviewing the provided URLs. The GitLab issue #1521 directly pointed to an assertion failure in the _gnutls_sort_clist function within lib/x509/common.c. This was corroborated by the description of the CVE (rejects a certificate chain with distributed trust, leading to DoS) and information from the Ubuntu CVE page which mentioned the fixing commit hash. Although the commit content itself could not be fetched directly due to limitations with GitLab URLs and the available tools, the evidence from the issue tracker and security advisories was sufficient to pinpoint the vulnerable function and the nature of the vulnerability (assertion failure during certificate validation).

Vulnerable functions

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WAF Rule

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Reasoning

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