CVE-2016-2538 Information

Description

Multiple integer overflows in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 allow local guest OS administrators to cause a denial of service (QEMU process crash) or obtain sensitive host memory information via a remote NDIS control message packet that is mishandled in the (1) rndis_query_response (2) rndis_set_response or (3) usb_net_handle_dataout function.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Reference

http://git.qemu.org/?p=qemu.git;a=commit;h=fe3c546c5ff2a6210f9a4d8561cc64051ca8603e http://lists.nongnu.org/archive/html/qemu-stable/2016-03/msg00064.html http://www.openwall.com/lists/oss-security/2016/02/22/3 http://www.securityfocus.com/bid/83336 http://www.ubuntu.com/usn/USN-2974-1 https://bugzilla.redhat.com/show_bug.cgi?id=1303120 https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html https://lists.gnu.org/archive/html/qemu-devel/2016-02/msg03658.html https://security.gentoo.org/glsa/201604-01

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.1