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CVE-2016-4049

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2017-0794-01
Posted Mar 21, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-0794-01 - The quagga packages contain Quagga, the free network-routing software suite that manages TCP/IP based protocols. Quagga supports the BGP4, BGP4+, OSPFv2, OSPFv3, RIPv1, RIPv2, and RIPng protocols, and is intended to be used as a Route Server and Route Reflector. Security Fix: A stack-based buffer overflow flaw was found in the way Quagga handled IPv6 router advertisement messages. A remote attacker could use this flaw to crash the zebra daemon resulting in denial of service.

tags | advisory, remote, denial of service, overflow, tcp, protocol
systems | linux, redhat
advisories | CVE-2013-2236, CVE-2016-1245, CVE-2016-2342, CVE-2016-4049, CVE-2017-5495
MD5 | c843d51004ac9904d1165c5bf312bb06
Gentoo Linux Security Advisory 201701-48
Posted Jan 21, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201701-48 - Multiple vulnerabilities have been found in Quagga, the worst of which could allow remote attackers to execute arbitrary code. Versions less than 1.1.0-r2 are affected.

tags | advisory, remote, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2016-1245, CVE-2016-4049
MD5 | 7f0e93f979af812a6fcb34d0f6686c22
Ubuntu Security Notice USN-3102-1
Posted Oct 13, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3102-1 - It was discovered that Quagga incorrectly handled dumping data. A remote attacker could possibly use a large BGP packet to cause Quagga to crash, resulting in a denial of service. It was discovered that the Quagga package incorrectly set permissions on the configuration directory. A local user could use this issue to possibly obtain sensitive information.

tags | advisory, remote, denial of service, local
systems | linux, ubuntu
advisories | CVE-2016-4036, CVE-2016-4049
MD5 | 713db6ec075d419a92892e79e38ad52c
Debian Security Advisory 3654-1
Posted Aug 26, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3654-1 - Two vulnerabilities were discovered in quagga, a BGP/OSPF/RIP routing daemon.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2016-4036, CVE-2016-4049
MD5 | b7855f2f305fde4384f397def31126a3
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