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CVE-2022-46770

HIGHCVSS 7.5/10EPSS 21.48%

Last modified

CVE-2022-46770 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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).. EPSS estimates a 21.48% chance of exploitation in the next 30 days.

Description

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).

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
21.48%

97.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxfoundationMirage Firewall>= 0.8.0, < 0.8.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-46770?
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).
How severe is CVE-2022-46770?
CVE-2022-46770 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 21.48% probability of exploitation in the next 30 days.
How do I fix CVE-2022-46770?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-46770?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST