CVE-2022-3165: Integer Underflow
First published: Mon Sep 26 2022(Updated: )
An integer underflow issue was found in the QEMU VNC server while proc ...
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/qemu | <7.2.0 | 7.2.0 |
| QEMU | >=6.1.0<=7.1.0 | |
| Fedora | =36 | |
| Fedora | =37 | |
| debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u12 1:9.2.1+ds-1 |
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Reference Links
- https://gitlab.com/qemu-project/qemu/-/commit/d307040b18
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I36LKZA7Z65J3LJU2P37LVTWDFTXBMPU/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTY7TVHX62OJWF6IOBCIGLR2N5K4QN3E/
- https://security.netapp.com/advisory/ntap-20221223-0006/
- https://launchpad.net/bugs/cve/CVE-2022-3165
- https://github.com/rfbproto/rfbproto/blob/master/rfbproto.rst#extended-clipboard-pseudo-encoding
- https://lists.nongnu.org/archive/html/qemu-devel/2022-09/msg03948.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2129759
- https://access.redhat.com/errata/RHSA-2023:2162
- https://access.redhat.com/errata/RHSA-2023:2757
- https://access.redhat.com/security/cve/cve-2022-3165
- https://bugzilla.redhat.com/show_bug.cgi?id=2129739
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I36LKZA7Z65J3LJU2P37LVTWDFTXBMPU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTY7TVHX62OJWF6IOBCIGLR2N5K4QN3E/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-3165
- https://nvd.nist.gov/vuln/detail/CVE-2022-3165
- https://security-tracker.debian.org/tracker/CVE-2022-3165
- https://ubuntu.com/security/CVE-2022-3165
- https://gitlab.com/qemu-project/qemu/-/commit/0bf41cab93e5c72dcda717abd625698b59d9ba3e
- https://gitlab.com/qemu-project/qemu/-/commit/d307040b18bfcb1393b910f1bae753d5c12a4dc7
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2022-3165.
What is the severity of CVE-2022-3165?
The severity of CVE-2022-3165 is medium with a CVSS score of 6.5.
What is the affected software for CVE-2022-3165?
The affected software for CVE-2022-3165 includes QEMU versions up to 7.1.0, Ubuntu QEMU versions 1:6.2+dfsg-2ubuntu6.6 and 1:7.0+dfsg-7ubuntu2.1, Red Hat QEMU version 7.2.0, Fedora versions 36 and 37, and Debian QEMU versions 1:3.1+dfsg-8+deb10u8, 1:3.1+dfsg-8+deb10u11, 1:5.2+dfsg-11+deb11u3, 1:5.2+dfsg-11+deb11u2, 1:7.2+dfsg-7+deb12u2, and 1:8.1.2+ds-1.
How can a malicious client exploit CVE-2022-3165?
A malicious client can exploit CVE-2022-3165 by sending a specially crafted payload message to the QEMU VNC server while processing ClientCutText messages in the extended format.
What is the remedy for CVE-2022-3165?
The remedy for CVE-2022-3165 is to update QEMU to the recommended versions: Ubuntu QEMU 1:6.2+dfsg-2ubuntu6.6 or 1:7.0+dfsg-7ubuntu2.1, Red Hat QEMU 7.2.0, or Debian QEMU 1:3.1+dfsg-8+deb10u8, 1:3.1+dfsg-8+deb10u11, 1:5.2+dfsg-11+deb11u3, 1:5.2+dfsg-11+deb11u2, 1:7.2+dfsg-7+deb12u2, or 1:8.1.2+ds-1.
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