Loop with Unreachable Exit Condition ('Infinite Loop') Affecting qemu-kvm-ui-spice package, versions <15:6.2.0-49.module+el8.10.0+1752+38c6b60a


Severity

Recommended
0.0
medium
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.15% (53rd percentile)

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  • Snyk IDSNYK-ROCKY8-QEMUKVMUISPICE-7259004
  • published15 Jun 2024
  • disclosed13 Sept 2023

Introduced: 13 Sep 2023

CVE-2023-3255  (opens in a new tab)
CWE-835  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 qemu-kvm-ui-spice to version 15:6.2.0-49.module+el8.10.0+1752+38c6b60a or higher.
This issue was patched in RLSA-2024:2962.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-kvm-ui-spice package and not the qemu-kvm-ui-spice package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1