FreeBSD : qemu, xen-tools -- QEMU leak of uninitialized heap memory in rtl8139 device model (f06f20dc-4347-11e5-93ad-002590263bf5)

This script is Copyright (C) 2015-2017 Tenable Network Security, Inc.

Synopsis :

The remote FreeBSD host is missing one or more security-related

Description :

The Xen Project reports :

The QEMU model of the RTL8139 network card did not sufficiently
validate inputs in the C+ mode offload emulation. This results in
uninitialized memory from the QEMU process's heap being leaked to the
domain as well as to the network.

A guest may be able to read sensitive host-level data relating to
itself which resides in the QEMU process.

Such information may include things such as information relating to
real devices backing emulated devices or passwords which the host
administrator does not intend to share with the guest admin.

See also :

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 5.0

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 85486 ()

Bugtraq ID:

CVE ID: CVE-2015-5165

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