Integer Underflow Vulnerability in QEMU VNC Server
CVE-2022-3165

6.5MEDIUM

Key Information:

Vendor

Qemu
Status
Qemu
Vendor
CVE Published:
17 October 2022

What is CVE-2022-3165?

A vulnerability has been identified in the QEMU VNC server involving an integer underflow when processing ClientCutText messages formatted in an extended manner. This flaw could be exploited by a malicious client to craft and send a specific payload that may cause the QEMU instance to become unresponsive, effectively leading to a denial of service condition. The issue necessitates prompt attention to mitigate risks associated with potential service disruption.

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Affected Version(s)

QEMU Affected 6.1.0 and later. Will be fixed in 7.2.0-rc0.

References

https://gitlab.com/qemu-project/qemu/-/commit/d307040b18
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisory
https://lists.fedoraproject.org/archives/list/package-ann...
vendor-advisory

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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