Upstream information
Description
quic-go is an implementation of the QUIC protocol in Go. An off-path attacker can inject an ICMP Packet Too Large packet. Since affected quic-go versions used IP_PMTUDISC_DO, the kernel would then return a "message too large" error on sendmsg, i.e. when quic-go attempts to send a packet that exceeds the MTU claimed in that ICMP packet. By setting this value to smaller than 1200 bytes (the minimum MTU for QUIC), the attacker can disrupt a QUIC connection. Crucially, this can be done after completion of the handshake, thereby circumventing any TCP fallback that might be implemented on the application layer (for example, many browsers fall back to HTTP over TCP if they're unable to establish a QUIC connection). The attacker needs to at least know the client's IP and port tuple to mount an attack. This vulnerability is fixed in 0.48.2.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having moderate severity.
| CNA (GitHub) | |
|---|---|
| Base Score | 6.5 |
| Vector | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Attack Vector | Adjacent Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality Impact | None |
| Integrity Impact | None |
| Availability Impact | High |
| CVSSv3 Version | 3.1 |
SUSE Security Advisories:
- openSUSE-SU-2024:14544-1, published Thu Dec 5 18:50:39 2024
- openSUSE-SU-2024:14567-1, published Thu Dec 12 18:51:05 2024
List of released packages
| Product(s) | Fixed package version(s) | References |
|---|---|---|
| Container suse/sl-micro/6.0/baremetal-os-container:2.1.3-4.27 |
| |
| openSUSE Tumbleweed |
| Patchnames: openSUSE-Tumbleweed-2024-14544 openSUSE-Tumbleweed-2024-14567 |
SUSE Timeline for this CVE
CVE page created: Mon Dec 2 20:00:29 2024CVE page last modified: Fri Dec 13 12:07:27 2024