CVE-2017-2630 Information

Description

A stack buffer overflow flaw was found in the Quick Emulator (QEMU) before 2.9 built with the Network Block Device (NBD) client support. The flaw could occur while processing server’s response to a ‘NBD_OPT_LIST’ request. A malicious NBD server could use this issue to crash a remote NBD client resulting in DoS or potentially execute arbitrary code on client host with privileges of the QEMU process.

CVSS Vector

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

Reference

http://www.openwall.com/lists/oss-security/2017/02/15/2 http://www.securityfocus.com/bid/96265 https://access.redhat.com/errata/RHSA-2017:2392 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2630 https://lists.gnu.org/archive/html/qemu-devel/2017-02/msg01246.html https://security.gentoo.org/glsa/201704-01

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8