CVE-2014-8602

Description

iterator.c in NLnet Labs Unbound before 1.5.1 does not limit delegation chaining, which allows remote attackers to cause a denial of service (memory and CPU consumption) via a large or infinite number of referrals.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 10.50% Top 10%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory unbound.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/71589 vdb entry
http://unbound.net/downloads/patch_cve_2014_8602.diff patch
http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html third party advisory
http://www.debian.org/security/2014/dsa-3097 third party advisory vendor advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.kb.cert.org/vuls/id/264212 third party advisory us government resource
https://unbound.net/downloads/CVE-2014-8602.txt patch vendor advisory
http://www.ubuntu.com/usn/USN-2484-1 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2014-8602?
CVE-2014-8602 has been scored as a medium severity vulnerability.
How to fix CVE-2014-8602?
To fix CVE-2014-8602, 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-2014-8602 being actively exploited in the wild?
It is possible that CVE-2014-8602 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~11% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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