CVE-2019-13164 Information

Description

qemu-bridge-helper.c in QEMU 4.0.0 does not ensure that a network interface name (obtained from bridge.conf or a –br=bridge option) is limited to the IFNAMSIZ size which can lead to an ACL bypass.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00000.html http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00008.html http://www.openwall.com/lists/oss-security/2019/07/02/2 http://www.securityfocus.com/bid/109054 https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html https://lists.gnu.org/archive/html/qemu-devel/2019-07/msg00145.html https://seclists.org/bugtraq/2019/Aug/41 https://seclists.org/bugtraq/2019/Sep/3 https://security.gentoo.org/glsa/202003-66 https://usn.ubuntu.com/4191-1/ https://usn.ubuntu.com/4191-2/ https://www.debian.org/security/2019/dsa-4506 https://www.debian.org/security/2019/dsa-4512

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

7.8