quic-go is an implementation of the QUIC protocol (RFC 9000, RFC 9001, RFC 9002) in Go. An attacker can cause its peer to run out of memory sending a large number of PATH_CHALLENGE frames. The receiver is supposed to respond to each PATH_CHALLENGE frame with a PATH_RESPONSE frame. The attacker can prevent the receiver from sending out (the vast majority of) these PATH_RESPONSE frames by collapsing the peers congestion window (by selectively acknowledging received packets) and by manipulating the peers RTT estimate. This vulnerability has been patched in versions 0.37.7, 0.38.2 and 0.39.4.
The product does not properly control the allocation and maintenance of a limited resource.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Quic-go | Quic-go_project | * | 0.37.7 (excluding) |
| Quic-go | Quic-go_project | 0.38.0 (including) | 0.38.2 (excluding) |
| Quic-go | Quic-go_project | 0.39.0 (including) | 0.39.4 (excluding) |
| Quic-go | Quic-go_project | 0.40.0 (including) | 0.40.0 (including) |
| Red Hat Ansible Automation Platform 2.4 for RHEL 8 | RedHat | receptor-0:1.4.4-1.el8ap | * |
| Red Hat Ansible Automation Platform 2.4 for RHEL 9 | RedHat | receptor-0:1.4.4-1.el9ap | * |
| Golang-github-lucas-clemente-quic-go | Ubuntu | bionic | * |
| Golang-github-lucas-clemente-quic-go | Ubuntu | lunar | * |
| Golang-github-lucas-clemente-quic-go | Ubuntu | mantic | * |
| Golang-github-lucas-clemente-quic-go | Ubuntu | oracular | * |
| Golang-github-lucas-clemente-quic-go | Ubuntu | trusty | * |
| Golang-github-lucas-clemente-quic-go | Ubuntu | xenial | * |
Mitigation of resource exhaustion attacks requires that the target system either:
The first of these solutions is an issue in itself though, since it may allow attackers to prevent the use of the system by a particular valid user. If the attacker impersonates the valid user, they may be able to prevent the user from accessing the server in question.
The second solution is simply difficult to effectively institute – and even when properly done, it does not provide a full solution. It simply makes the attack require more resources on the part of the attacker.