CVE-2024-45396: quicly — Fix

Description

Quicly is an IETF QUIC protocol implementation. Quicly up to commtit d720707 is susceptible to a denial-of-service attack. A remote attacker can exploit these bugs to trigger an assertion failure that crashes process using quicly. The vulnerability is addressed with commit 2a95896104901589c495bc41460262e64ffcad5c.

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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-617 CWE-617

Affected Products

Vendor	Product	Versions
dena	quicly	< 2024-10-10

References

Advisories & Patches

https://github.com/h2o/quicly/commit/2a95896104901589c495bc41460262e64ffcad5c https://github.com/h2o/quicly/security/advisories/GHSA-mp3c-h5gg-mm6p

Frequently Asked Questions

What is CVE-2024-45396? +

Quicly is an IETF QUIC protocol implementation. Quicly up to commtit d720707 is susceptible to a denial-of-service attack. A remote attacker can exploit these bugs to trigger an assertion failure that crashes process using quicly. The vulnerability is addressed with commit 2a95896104901589c495bc41460262e64ffcad5c. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-45396? +

CVE-2024-45396 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.

What products are affected by CVE-2024-45396? +

CVE-2024-45396 affects products from dena, specifically: quicly. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-45396? +

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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CVE-2024-45396