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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
SHA-256 | 382a7eb4860c0cafcd06124913757757571d5dd5111b8d10cb82337462076114
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
SHA-256 | 861063c13f9959f4be6de59cb33b76191ce13225aeb9a4d4b1bfe06d25f3c2f8
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
SHA-256 | 791bc0d8fd5a75d438e274cb9cd9cbde77f7f714f6d26ae6110b82c92af7c080
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
SHA-256 | 25c09a37562c4b6e5388e52d121a5fd6c975e1347392e663a3722c450e2bd3cb
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