Vulnerability · Published Mar 12, 2024 · Assigned by cloudflare
CVE-2024-1765Unlimited resource allocation by QUIC CRYPTO frames flooding in quiche
Medium 5.9
In plain English
A medium-severity uncontrolled resource consumption in quiche from Cloudflare. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cloudflare | quiche | 0.15.0 – through <0.19.10.20.0 – before <0.20.1 |
Weakness: CWE-400, CWE-770 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H