Bug 560550 (CVE-2015-5278)

Summary:	<app-emulation/qemu-2.4.1-r2: two vulnerabilities (CVE-2015-{5278,5279})
Product:	Gentoo Security	Reporter:	Agostino Sarubbo <ago>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	RESOLVED FIXED
Severity:	minor	CC:	qemu+disabled
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
Whiteboard:	B3 [glsa cve]
Package list:		Runtime testing required:	---

Description Agostino Sarubbo gentoo-dev

2015-09-15 13:27:23 UTC

From http://www.openwall.com/lists/oss-security/2015/09/15/2:

Qemu emulator built with the NE2000 NIC emulation support is vulnerable to an 
infinite loop issue. It could occur when receiving packets over the network.

A privileged user inside guest could use this flaw to crash the Qemu instance 
resulting in DoS.

Upstream fix:
-------------
   -> https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg03985.html



From http://www.openwall.com/lists/oss-security/2015/09/15/3:

Qemu emulator built with the NE2000 NIC emulation support is vulnerable to a 
heap buffer overflow issue. It could occur when receiving packets over the 
network.

A privileged user inside guest could use this flaw to crash the Qemu instance 
or potentially execute arbitrary code on the host.

Upstream fix:
-------------
   -> https://lists.gnu.org/archive/html/qemu-devel/2015-09/msg03984.html


@maintainer(s): after the bump, in case we need to stabilize the package, please let us know if it is ready for the stabilization or not.

Comment 1 SpanKY gentoo-dev

2015-09-15 18:32:31 UTC

upstream commits:

CVE-2015-5278: http://git.qemu.org/?p=qemu.git;a=commitdiff;h=737d2b3c41d59eb8f94ab7eb419b957938f24943

CVE-2015-5279: http://git.qemu.org/?p=qemu.git;a=commitdiff;h=9bbdbc66e5765068dce76e9269dce4547afd8ad4

Comment 2 SpanKY gentoo-dev

2015-10-10 01:00:03 UTC

qemu-2.4.0.1 in the tree should have the fixes for this and should be fine to mark stable

http://gitweb.gentoo.org/repo/gentoo.git/commit/?id=4703b062bb7d0c6ebdf91827a3396435e6dea74a

Comment 3 Agostino Sarubbo gentoo-dev

2015-12-18 17:12:13 UTC

stabilized in another bug.

cleanup done by vapier

Comment 4 Yury German Gentoo Infrastructure

2015-12-25 00:31:16 UTC

Arches and Maintainer(s), Thank you for your work.

Added to an existing GLSA Request.

Comment 5 GLSAMaker/CVETool Bot gentoo-dev

2016-02-04 09:34:00 UTC

This issue was resolved and addressed in
 GLSA 201602-01 at https://security.gentoo.org/glsa/201602-01
by GLSA coordinator Kristian Fiskerstrand (K_F).