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f5F5F5:K15931
HistoryJun 04, 2015 - 12:00 a.m.

K15931 : Unbound vulnerability CVE-2014-8602

2015-06-0400:00:00
my.f5.com
7

6 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

0.651 Medium

EPSS

Percentile

97.6%

Security Advisory 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. (CVE-2014-8602)

Impact

An attacker with a properly configured authority server could cause a denial-of-service using a crafted DNS recursive query, designed to follow an endless series of delegations.

6 Medium

AI Score

Confidence

High

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

0.651 Medium

EPSS

Percentile

97.6%