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FreeBSD : qemu -- 'drive_init()' Disk Format Security Bypass (8950ac62-1d30-11dd-9388-0211060005df)
medium Nessus Plugin ID 32147
Synopsis
The remote FreeBSD host is missing one or more security-related updates.Description
Secunia reports :A vulnerability has been reported in QEMU, which can be exploited by malicious, local users to bypass certain security restrictions.
The vulnerability is caused due to the 'drive_init()' function in vl.c determining the format of a disk from data contained in the disk's header. This can be exploited by a malicious user in a guest system to e.g. read arbitrary files on the host by writing a fake header to a raw formatted disk image.
Solution
Update the affected packages.See Also
http://lists.gnu.org/archive/html/qemu-devel/2008-04/msg00675.html
Plugin Details
Severity: Medium
ID: 32147
File Name: freebsd_pkg_8950ac621d3011dd93880211060005df.nasl
Version: 1.16
Type: local
Family: FreeBSD Local Security Checks
Published: 5/9/2008
Updated: 1/6/2021
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.2
CVSS v2
Risk Factor: Medium
Base Score: 4.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:N
Vulnerability Information
CPE: p-cpe:/a:freebsd:freebsd:qemu, p-cpe:/a:freebsd:freebsd:qemu-devel, cpe:/o:freebsd:freebsd
Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info
Patch Publication Date: 5/8/2008
Vulnerability Publication Date: 4/28/2008
Reference Information
CVE: CVE-2008-2004