[<prev] [next>] [day] [month] [year] [list]
Date: Tue, 14 Mar 2017 17:30:01 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Gerd Hoffmann <kraxel@...hat.com>
Subject: CVE-2016-9603 Qemu: cirrus: heap buffer overflow via vnc
connection
Hello,
Quick Emulator(Qemu) built with the Cirrus CLGD 54xx VGA Emulator and the VNC
display driver support is vulnerable to a heap buffer overflow issue. It could
occur when Vnc client attempts to update its display after a vga operation is
performed by a guest.
A privileged user/process inside guest could use this flaw to crash the Qemu
process resulting in DoS OR potentially leverage it to execute arbitrary code
on the host with privileges of the Qemu process.
Reference:
----------
-> https://bugzilla.redhat.com/show_bug.cgi?id=1430056
* 'CVE-2016-9603' has been assigned to this issue by Red Hat Inc.
* Attached herein is a proposed upstream patch to fix this issue.
Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F
View attachment "0001-cirrus-vnc-zap-bitblit-support-from-console-code.patch" of type "text/plain" (10141 bytes)
Powered by blists - more mailing lists
Please check out the
Open Source Software Security Wiki, which is counterpart to this
mailing list.
Confused about mailing lists and their use?
Read about mailing lists on Wikipedia
and check out these
guidelines on proper formatting of your messages.
