CVE-2009-3616

Severity CVSS v4.0:

Pending analysis

Type:

CWE-416 Use After Free

Publication date:

23/10/2009

Last modified:

09/04/2025

Description

Multiple use-after-free vulnerabilities in vnc.c in the VNC server in QEMU 0.10.6 and earlier might allow guest OS users to execute arbitrary code on the host OS by establishing a connection from a VNC client and then (1) disconnecting during data transfer, (2) sending a message using incorrect integer data types, or (3) using the Fuzzy Screen Mode protocol, related to double free vulnerabilities.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.90 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.90

Severity 3.x

CRITICAL

Vector 2.0

AV:N/AC:M/Au:S/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 8.50 HIGH
Vector: AV:N/AC:M/Au:S/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

8.50

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:qemu:qemu::::::::		0.10.6 (including)
cpe:2.3:o:redhat:enterprise_linux_server:5.0:::::::*
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2009-3616

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools