4.3
MEDIUM
CVE-2014-8602
Unbound Recursive Denial of Service
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.

INFO

Published Date :

Dec. 11, 2014, 2:59 a.m.

Last Modified :

Nov. 28, 2016, 7:13 p.m.

Remotely Exploitable :

Yes !

Impact Score :

2.9

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2014-8602 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Canonical ubuntu_linux
1 Debian debian_linux
1 Nlnetlabs unbound
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2014-8602.

URL Resource
http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html Third Party Advisory
http://unbound.net/downloads/patch_cve_2014_8602.diff Patch
http://www.debian.org/security/2014/dsa-3097 Third Party Advisory
http://www.kb.cert.org/vuls/id/264212 Third Party Advisory US Government Resource
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/71589
http://www.ubuntu.com/usn/USN-2484-1 Third Party Advisory
https://unbound.net/downloads/CVE-2014-8602.txt Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2014-8602 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2014-8602 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/71589 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 15, 2016

    Action Type Old Value New Value
    Added Reference http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
  • Modified Analysis by [email protected]

    Sep. 06, 2016

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:nlnetlabs:unbound:1.5.0:*:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:a:nlnetlabs:unbound:1.5.0:*:*:*:*:*:*:* (and previous) Configuration 2 OR *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
    Changed Reference Type http://www.ubuntu.com/usn/USN-2484-1 No Types Assigned http://www.ubuntu.com/usn/USN-2484-1 Third Party Advisory
    Changed Reference Type http://www.debian.org/security/2014/dsa-3097 No Types Assigned http://www.debian.org/security/2014/dsa-3097 Third Party Advisory
    Changed Reference Type http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html Vendor Advisory http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html Third Party Advisory
  • CVE Modified by [email protected]

    Feb. 26, 2015

    Action Type Old Value New Value
    Added Reference http://www.ubuntu.com/usn/USN-2484-1
    Added Reference http://www.debian.org/security/2014/dsa-3097
  • Modified Analysis by [email protected]

    Dec. 18, 2014

    Action Type Old Value New Value
    Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:nlnet_labs:unbound:1.5.0:*:*:*:*:*:*:* (and previous) Configuration 1 OR *cpe:2.3:a:nlnetlabs:unbound:1.5.0:*:*:*:*:*:*:* (and previous)
  • Modified Analysis by [email protected]

    Dec. 17, 2014

    Action Type Old Value New Value
    Changed Reference Type http://www.kb.cert.org/vuls/id/264212 US Govt Resource http://www.kb.cert.org/vuls/id/264212 Advisory, US Govt Resource
    Changed Reference Type http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html No Types Assigned http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html Advisory
  • CVE Modified by [email protected]

    Dec. 12, 2014

    Action Type Old Value New Value
    Added Reference http://www.kb.cert.org/vuls/id/264212
    Added Reference http://cert.ssi.gouv.fr/site/CERTFR-2014-AVI-512/index.html
  • Modified Analysis by [email protected]

    Dec. 12, 2014

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:nlnet_labs:unbound:1.5.0:*:*:*:*:*:*:* (and previous)
    Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:N/A:P)
    Changed Reference Type https://unbound.net/downloads/CVE-2014-8602.txt No Types Assigned https://unbound.net/downloads/CVE-2014-8602.txt Advisory, Patch
    Changed Reference Type http://unbound.net/downloads/patch_cve_2014_8602.diff No Types Assigned http://unbound.net/downloads/patch_cve_2014_8602.diff Patch
    Added CWE CWE-399
  • Initial Analysis by [email protected]

    Dec. 11, 2014

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2014-8602 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2014-8602 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

59.00 }} -6.15%

score

0.97791

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability