CVE-2014-8602
First published: Thu Dec 11 2014(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Unbound | <=1.5.0 | |
| Ubuntu | =14.04 | |
| Ubuntu | =14.10 | |
| Debian | =7.0 |
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Reference Links
- http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html
- http://unbound.net/downloads/patch_cve_2014_8602.diff
- http://www.debian.org/security/2014/dsa-3097
- http://www.kb.cert.org/vuls/id/264212
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/71589
- http://www.ubuntu.com/usn/USN-2484-1
- https://unbound.net/downloads/CVE-2014-8602.txt
Frequently Asked Questions
What is the severity of CVE-2014-8602?
CVE-2014-8602 is classified as a medium severity vulnerability due to its potential to cause denial of service through excessive resource consumption.
What versions of Unbound are affected by CVE-2014-8602?
CVE-2014-8602 affects Unbound versions prior to 1.5.1.
How do I fix CVE-2014-8602?
To fix CVE-2014-8602, upgrade Unbound to version 1.5.1 or later.
Is CVE-2014-8602 present in Ubuntu 14.04?
Yes, CVE-2014-8602 is present in Ubuntu 14.04 if an unpatched version of Unbound is used.
Can CVE-2014-8602 be exploited remotely?
Yes, CVE-2014-8602 can be exploited remotely by sending a large or infinite number of referrals.
- agent/references
- agent/type
- agent/remedy
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/severity
- agent/author
- agent/last-modified-date
- agent/event
- agent/first-publish-date
- agent/description
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/nlnetlabs
- canonical/unbound
- version/unbound/1.5.0
- vendor/canonical
- canonical/ubuntu
- version/ubuntu/14.04
- version/ubuntu/14.10
- vendor/debian
- canonical/debian
- version/debian/7.0