CVE-2022-46770 in the critical feed json
Infinite loop in console output on xen
published 2022-12-07 3 y ago modified 2026-11-06 2 d ago also EUVD-2022-49552 , OSEC-2022-01
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 22.4%
- EPSS 22.4% chance of exploitation in 30 days, percentile 97%
- public exploits
- 2
- Metasploit, Exploit-DB
Summary
qubes-mirage-firewall (aka Mirage firewall for QubesOS) 0.8.x through 0.8.3 allows guest OS users to cause a denial of service (CPU consumption and loss of forwarding) via a crafted multicast UDP packet (IP address range of 224.0.0.0 through 239.255.255.255).
Patch / fix
- opam solo5 0.7.5
- linuxfoundation mirage_firewall 0.8.4
- github.com/Solo5/solo5#538 pull request
- github.com/mirage/qubes-mirage-firewall/issues/166 advisory
Timeline
- First public exploit (Metasploit auxiliary/dos/mirageos/qubes_mirage_firewall_dos)
- Published
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
22.43% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Metasploit auxiliary/dos/mirageos/qubes_mirage_firewall_dos Mirage firewall for QubesOS 0.8.0-0.8.3 Denial of Service (DoS) Exploit metasploit auxiliary, normal rank, 2022-12-04
- EDB-51157 qubes-mirage-firewall v0.8.3 - Denial Of Service (DoS) dos, 2023-03-31
- github.com https://github.com/mirage/qubes-mirage-firewall/issues/166 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| opam | solo5 | >=0.6.6, <0.7.5 |
0.7.5 |
Classification
- Weakness
-
- CWE-835 Loop with Unreachable Exit Condition
References
-
github.com
/mirage/qubes-mirage-firewall/issues/166
exploit, patch, third-party-advisory
-
github.com
/Solo5/solo5/pull/538
patch
- packetstormsecurity.com /files/171610/Qubes-Mirage-Firewall-0.8.3-Denial-Of-Service.html
-
mirageos.org
/blog/MSA03
advisory
Sources
- CVE List CVE-2022-46770
- NVD CVE-2022-46770
- OSV OSEC-2022-01
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