CVE-2023-3255

CVE Details

Release Date:2023-07-04

Description


A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. A wrong exit condition may lead to an infinite loop when inflating an attacker controlled zlib buffer in the `inflate_buffer` function. This could allow a remote authenticated client who is able to send a clipboard to the VNC server to trigger a denial of service.

See more information about CVE-2023-3255 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 6.5 Base Metrics: AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector: Network Attack Complexity: Low
Privileges Required: Low User Interaction: None
Scope: Unchanged Confidentiality Impact: None
Integrity Impact: None Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 8 (hivex)ELSA-2023-128552023-10-07
Oracle Linux version 8 (libguestfs)ELSA-2023-128552023-10-07
Oracle Linux version 8 (libguestfs-winsupport)ELSA-2023-128552023-10-07
Oracle Linux version 8 (libiscsi)ELSA-2023-128552023-10-07
Oracle Linux version 8 (libnbd)ELSA-2023-128552023-10-07
Oracle Linux version 8 (libtpms)ELSA-2023-128552023-10-07
Oracle Linux version 8 (libvirt)ELSA-2023-128552023-10-07
Oracle Linux version 8 (libvirt-dbus)ELSA-2023-128552023-10-07
Oracle Linux version 8 (libvirt-python)ELSA-2023-128552023-10-07
Oracle Linux version 8 (nbdkit)ELSA-2023-128552023-10-07
Oracle Linux version 8 (netcf)ELSA-2023-128552023-10-07
Oracle Linux version 8 (perl-Sys-Virt)ELSA-2023-128552023-10-07
Oracle Linux version 8 (qemu-kvm)ELSA-2023-128552023-10-07
Oracle Linux version 8 (seabios)ELSA-2023-128552023-10-07
Oracle Linux version 8 (sgabios)ELSA-2023-128552023-10-07
Oracle Linux version 8 (supermin)ELSA-2023-128552023-10-07
Oracle Linux version 8 (swtpm)ELSA-2023-128552023-10-07
Oracle Linux version 8 (virt-v2v)ELSA-2023-128552023-10-07
Oracle Linux version 9 (qemu-kvm)ELSA-2024-21352024-05-02



This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team

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