qubes-mirage-firewall up to 0.8.3 Multicast UDP Packet resource consumption

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in qubes-mirage-firewall up to 0.8.3. It has been rated as problematic. This impacts an unknown function of the component Multicast UDP Packet Handler. Performing a manipulation results in resource consumption. This vulnerability was named CVE-2022-46770. The attack needs to be approached within the local network. In addition, an exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in qubes-mirage-firewall up to 0.8.3 (Firewall Software). This affects an unknown function of the component Multicast UDP Packet Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. The summary by CVE is:

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).

The weakness was presented 12/08/2022 as 166. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2022-46770 since 12/07/2022. Technical details are unknown but a public exploit is available.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (51157). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Firewall Software

Name

qubes-mirage-firewall

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/07/2022 🔍
12/08/2022 +1 days 🔍
12/08/2022 +0 days 🔍
04/24/2025 +868 days 🔍

Sourcesinfo

Advisory: 166
Status: Confirmed

CVE: CVE-2022-46770 (🔍)
GCVE (CVE): GCVE-0-2022-46770
GCVE (VulDB): GCVE-100-215103
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 12/08/2022 07:53
Updated: 04/24/2025 04:19
Changes: 12/08/2022 07:53 (39), 01/01/2023 12:05 (11), 07/17/2024 21:28 (23), 04/24/2025 04:19 (2)
Complete: 🔍
Cache ID: 216::103