CVE-2016-4049

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.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 2.15% Top 20%
Vendor Advisory redhat.com Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory debian.org
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2016-4049?
CVE-2016-4049 has been scored as a high severity vulnerability.
How to fix CVE-2016-4049?
To fix CVE-2016-4049, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-4049 being actively exploited in the wild?
It is possible that CVE-2016-4049 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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