CVE-2024-1765

Unlimited resource allocation by QUIC CRYPTO frames flooding in quiche

Description

Cloudflare Quiche (through version 0.19.1/0.20.0) was affected by an unlimited resource allocation vulnerability causing rapid increase of memory usage of the system running quiche server or client. A remote attacker could take advantage of this vulnerability by repeatedly sending an unlimited number of 1-RTT CRYPTO frames after previously completing the QUIC handshake. Exploitation was possible for the duration of the connection which could be extended by the attacker.  quiche 0.19.2 and 0.20.1 are the earliest versions containing the fix for this issue.

Category

5.9
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.23%
Affected: Cloudflare quiche
Published at:
Updated at:

References

Link Tags
https://github.com/cloudflare/quiche/security/advisories/GHSA-78wx-jg4j-5j6g

Frequently Asked Questions

What is the severity of CVE-2024-1765?
CVE-2024-1765 has been scored as a medium severity vulnerability.
How to fix CVE-2024-1765?
To fix CVE-2024-1765, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-1765 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-1765 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-1765?
CVE-2024-1765 affects Cloudflare quiche.
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