oss-security - Re: CVE request: Qemu: 9p: directory traversal flaw in 9p virtio backend

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Date: Tue, 30 Aug 2016 23:55:22 +0530 (IST)
From: P J P <ppandit@...hat.com>
To: oss security list <oss-security@...ts.openwall.com>
cc: Felix Wilhelm <fwilhelm@...w.de>
Subject: Re: CVE request: Qemu: 9p: directory traversal flaw in 9p virtio
 backend

+-- On Tue, 30 Aug 2016, P J P wrote --+
|   Hello,
| 
| Quick Emulator(Qemu) built with the VirtFS, host directory sharing via Plan 9
| File System(9pfs) support, is vulnerable to a directory/path traversal issue.
| It could occur while creating or accessing files on a shared host directory.
| 
| A privileged user inside guest could use this flaw to access undue files on
| the host.
| 
| Upstream patches:
| -----------------
|   -> https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg03917.html

Few revised patches:
   -> https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg04231.html

Thank you.
--
Prasad J Pandit / Red Hat Product Security Team
47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F

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