CVE-2016-4049: Input Validation
First published: Mon May 23 2016(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Quagga Routing Software Suite | ||
| openSUSE | =42.1 | |
| openSUSE | =13.2 |
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Reference Links
- 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
Frequently Asked Questions
What is the severity of CVE-2016-4049?
CVE-2016-4049 is considered a medium severity vulnerability due to its potential to cause denial of service.
How do I fix CVE-2016-4049?
To fix CVE-2016-4049, update Quagga to a version that addresses this vulnerability.
What are the potential impacts of CVE-2016-4049?
The potential impacts of CVE-2016-4049 include assertion failures and daemon crashes when processing large BGP packets.
Which software is affected by CVE-2016-4049?
CVE-2016-4049 affects the Quagga routing software suite as well as its deployments on OpenSUSE 42.1 and 13.2.
Who can exploit CVE-2016-4049?
Remote attackers can exploit CVE-2016-4049 by sending large BGP packets to the affected service.
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