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F5 BIG-IP - Remote Denial of Service Vulnerability

Information

Severity

Severity

Medium

Family

Family

F5 Local Security Checks

CVSSv2 Base

CVSSv2 Base

4.3

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

7 years ago

Modified

Modified

3 years ago

Summary

F5 BIG-IP is prone to a remote denial-of-service vulnerability.

Insight

Insight

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.

Affected Software

Affected Software

F5 BIG-IP LTM 11.2.0-11.6.0

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

See the referenced vendor advisory for a solution.

Common Vulnerabilities and Exposures (CVE)