A flaw was found in the QEMU built-in VNC server. When a client connects to the VNC server, QEMU checks whether the current number of connections crosses a certain threshold and if so, cleans up the previous connection. If the previous connection happens to be in the handshake phase and fails, QEMU cleans up the connection again, resulting in a NULL pointer dereference issue. This could allow a remote unauthenticated client to cause a denial of service.
References
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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History
11 Mar 2024, 18:15
Type | Values Removed | Values Added |
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References |
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07 Nov 2023, 14:50
Type | Values Removed | Values Added |
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CPE | cpe:2.3:a:qemu:qemu:8.1.0:rc1:*:*:*:*:*:* cpe:2.3:a:qemu:qemu:8.1.0:rc0:*:*:*:*:*:* |
24 Oct 2023, 12:56
Type | Values Removed | Values Added |
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References | (MISC) https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MURWGXDIF2WTDXV36T6HFJDBL632AO7R/ - Mailing List | |
First Time |
Fedoraproject
Fedoraproject fedora |
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CPE | cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* |
29 Aug 2023, 03:15
Type | Values Removed | Values Added |
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References |
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20 Jul 2023, 12:58
Type | Values Removed | Values Added |
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References | (MISC) https://access.redhat.com/security/cve/CVE-2023-3354 - Third Party Advisory | |
References | (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2216478 - Issue Tracking, Patch | |
CWE | CWE-476 | |
CPE | cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:-:*:*:* cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:* cpe:2.3:a:qemu:qemu:-:*:*:*:*:*:*:* |
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First Time |
Qemu qemu
Redhat openstack Platform Redhat enterprise Linux Qemu Redhat |
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CVSS |
v2 : v3 : |
v2 : unknown
v3 : 7.5 |
11 Jul 2023, 17:15
Type | Values Removed | Values Added |
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New CVE |
Information
Published : 2023-07-11 17:15
Updated : 2024-03-11 18:15
NVD link : CVE-2023-3354
Mitre link : CVE-2023-3354
CVE.ORG link : CVE-2023-3354
JSON object : View
Products Affected
redhat
- openstack_platform
- enterprise_linux
fedoraproject
- fedora
qemu
- qemu
CWE
CWE-476
NULL Pointer Dereference