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Mageia 9 MGASA-2024-0360 critical: curl HSTS cache issue

mageia
Calendar Grey November 12, 2024
Dist Mageia Esm H88
Mageia 2024-0361 indicates a resolution for curl's subdomain caching problem that affects HSTS, recorded on Nov 15, 2024.
When curl is asked to use HSTS, the expiry time for a subdomain might overwrite a parent domain's cache entry, making it end sooner or later than otherwise intended

Summary

When curl is asked to use HSTS, the expiry time for a subdomain might overwrite a parent domain's cache entry, making it end sooner or later than otherwise intended. This affects curl using applications that enable HSTS and use URLs with the insecure HTTP:// scheme and perform transfers with hosts like x.example.com as well as example.com where the first host is a subdomain of the second host. This flaw also affects the curl command line tool. When triggered, this is a potential minor DoS security problem when trying to use HTTPS when that no longer works or a cleartext transmission of data that was otherwise intended to possibly be protected. This update fixes the issue so subdomains cannot affect the HSTS cache of a parent domain.

References

- https://bugs.mageia.org/show_bug.cgi?id=33730

- https://curl.se/docs/CVE-2024-9681.html

- https://www.cve.org/CVERecord?id=CVE-2024-9681

Resolution

SRPMS

- 9/core/curl-7.88.1-4.4.mga9

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 12 Nov 2024
URL: https://advisories.mageia.org/MGASA-2024-0360.html
Type: security
CVE: CVE-2024-9681

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