CVE-2016-2342 Information

Description

The bgp_nlri_parse_vpnv4 function in bgp_mplsvpn.c in the VPNv4 NLRI parser in bgpd in Quagga before 1.0.20160309 when a certain VPNv4 configuration is used relies on a Labeled-VPN SAFI routes-data length field during a data copy which allows remote attackers to execute arbitrary code or cause a denial of service (stack-based buffer overflow) via a crafted packet.

CVSS Vector

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

Reference

http://git.savannah.gnu.org/cgit/quagga.git/commit/?id=a3bc7e9400b214a0f078fdb19596ba54214a1442 http://lists.opensuse.org/opensuse-updates/2016-03/msg00102.html http://lists.opensuse.org/opensuse-updates/2016-03/msg00117.html http://nongnu.askapache.com//quagga/quagga-1.0.20160309.changelog.txt http://rhn.redhat.com/errata/RHSA-2017-0794.html http://www.debian.org/security/2016/dsa-3532 http://www.kb.cert.org/vuls/id/270232 http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html http://www.securityfocus.com/bid/84318 http://www.ubuntu.com/usn/USN-2941-1 https://security.gentoo.org/glsa/201610-03

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1