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Vigil@nce - QEMU: information disclosure via RTL8139

August 2015 by Vigil@nce

This bulletin was written by Vigil@nce : http://vigilance.fr/offer

SYNTHESIS OF THE VULNERABILITY

A local attacker can read a memory fragment of RTL8139 of QEMU, in
order to obtain sensitive information.

Impacted products: Fedora, QEMU, Xen.

Severity: 1/4.

Creation date: 03/08/2015.

DESCRIPTION OF THE VULNERABILITY

The QEMU product can emulate a RTL8139 network device.

However, several functions of the hw/rtl8139.c file do not
initialize a memory area before returning it to the user.

A local attacker can therefore read a memory fragment of RTL8139
of QEMU, in order to obtain sensitive information.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

http://vigilance.fr/vulnerability/QEMU-information-disclosure-via-RTL8139-17573


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