CVE-2016-4049 Information

Description

The bgp_dump_routes_func function in bgpd/bgp_dump.c in Quagga does not perform size checks when dumping data which might allow remote attackers to cause a denial of service (assertion failure and daemon crash) via a large BGP packet.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-updates/2016-05/msg00062.html http://rhn.redhat.com/errata/RHSA-2017-0794.html http://www.debian.org/security/2016/dsa-3654 http://www.openwall.com/lists/oss-security/2016/04/27/7 http://www.securityfocus.com/bid/88561 http://www.securitytracker.com/id/1035699 https://lists.quagga.net/pipermail/quagga-dev/2016-February/014743.html https://lists.quagga.net/pipermail/quagga-dev/2016-January/014699.html https://security.gentoo.org/glsa/201701-48

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5