NULL Pointer Dereference Affecting ocaml-libguestfs package, versions <1:1.44.0-9.0.2.module+el8.9.0+90052+d3bf71d8


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-ORACLE8-OCAMLLIBGUESTFS-7161977
  • published30 May 2024
  • disclosed12 Jan 2024

Introduced: 12 Jan 2024

CVE-2023-6683  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:8 ocaml-libguestfs to version 1:1.44.0-9.0.2.module+el8.9.0+90052+d3bf71d8 or higher.
This issue was patched in ELSA-2024-2962.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ocaml-libguestfs package and not the ocaml-libguestfs package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemu_clipboard_request() function can be reached before vnc_server_cut_text_caps() was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a malicious authenticated VNC client to crash QEMU and trigger a denial of service.

CVSS Scores

version 3.1