QID 997720

Date Published: 2024-03-14

QID 997720: Rust (Rust) Security Update for quiche (GHSA-xhg9-xwch-vr7x)

Cloudflare quiche was discovered to be vulnerable to unbounded storage of information related to connection ID retirement, which could lead to excessive resource consumption. Each QUIC connection possesses a set of connection Identifiers (IDs); see RFC 9000 Section 5.1. Endpoints declare the number of active connection IDs they are willing to support using the active_connection_id_limit transport parameter. The peer can create new IDs using a NEW_CONNECTION_ID frame but must stay within the active ID limit. This is done by retirement of old IDs, the endpoint sends NEW_CONNECTION_ID includes a value in the retire_prior_to field, which elicits a RETIRE_CONNECTION_ID frame as confirmation. An unauthenticated remote attacker can exploit the vulnerability by sending NEW_CONNECTION_ID frames and manipulating the connection (e.g. by restricting the peer's congestion window size) so that RETIRE_CONNECTION_ID frames can only be sent at a slower rate than they are received, leading to storage of information related to connection IDs in an unbounded queue.

Successful exploitation of this vulnerability could lead to a security breach or could affect integrity, availability, and confidentiality.

CVSS V3 rated as Medium - 3.7 severity.

CVSS V2 rated as Medium - 5.4 severity.

Solution

Refer to Github security advisory GHSA-xhg9-xwch-vr7x for updates and patch information.

Vendor References

GHSA-xhg9-xwch-vr7x - github.com/advisories/GHSA-xhg9-xwch-vr7x

CVEs related to QID 997720

CVE-2024-1410 |

Software Advisories

Advisory ID	Software	Component	Link
GHSA-xhg9-xwch-vr7x	quiche		github.com/advisories/GHSA-xhg9-xwch-vr7x

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