Vulnerabilities > CVE-2023-3255 - Infinite Loop vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://access.redhat.com/errata/RHSA-2024:2135
- https://access.redhat.com/errata/RHSA-2024:2135
- https://access.redhat.com/errata/RHSA-2024:2962
- https://access.redhat.com/errata/RHSA-2024:2962
- https://access.redhat.com/security/cve/CVE-2023-3255
- https://access.redhat.com/security/cve/CVE-2023-3255
- https://bugzilla.redhat.com/show_bug.cgi?id=2218486
- https://bugzilla.redhat.com/show_bug.cgi?id=2218486
- https://security.netapp.com/advisory/ntap-20231020-0008/