F5 BIG-IP Congestion Metrics Cache ICMP Packet input validation

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

A vulnerability was found in F5 BIG-IP (Firewall Software). It has been rated as problematic. This issue affects an unknown code of the component Congestion Metrics Cache Handler. The manipulation as part of a ICMP Packet leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, Link Controller, and PEM 12.0.0 before HF1, when the TCP profile for a virtual server is configured with Congestion Metrics Cache enabled, allow remote attackers to cause a denial of service (Traffic Management Microkernel (TMM) restart) via crafted ICMP packets, related to Path MTU (PMTU) discovery.

The weakness was shared 01/12/2016 (Website). The advisory is shared at support.f5.com. The identification of this vulnerability is CVE-2015-7759 since 10/08/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 87787 (F5 Networks BIG-IP : F5 Path MTU Discovery vulnerability (SOL22843911)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks and running in the context l.

Applying the patch HF1 is able to eliminate this problem. A possible mitigation has been published before and not just after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 396.

The vulnerability is also documented in the vulnerability database at Tenable (87787). The entry 80187 is related to this item.

Affected

  • up to PEM 12.0.0

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.7
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87787
Nessus Name: F5 Networks BIG-IP : F5 Path MTU Discovery vulnerability (SOL22843911)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800325
OpenVAS Name: F5 BIG-IP - SOL22843911 - F5 Path MTU Discovery vulnerability CVE-2015-7759
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: HF1

Snort ID: 396
Snort Message: PROTOCOL-ICMP Destination Unreachable Fragmentation Needed and DF bit was set
Snort Class: 🔍

Timelineinfo

10/08/2015 🔍
01/07/2016 +91 days 🔍
01/07/2016 +0 days 🔍
01/08/2016 +1 days 🔍
01/08/2016 +0 days 🔍
01/12/2016 +4 days 🔍
01/12/2016 +0 days 🔍
01/13/2016 +1 days 🔍
01/15/2016 +2 days 🔍
07/02/2022 +2360 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K22843911
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-7759 (🔍)
SecurityTracker: 1034627
Vulnerability Center: 55703 - F5 Multiple Products Remote DoS via Crafted ICMP Packets, Medium
SecurityFocus: 80433 - Multiple F5 BIG-IP Products CVE-2015-7759 Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 01/13/2016 09:24
Updated: 07/02/2022 22:05
Changes: 01/13/2016 09:24 (63), 06/21/2018 09:02 (23), 07/02/2022 21:51 (3), 07/02/2022 22:05 (1)
Complete: 🔍

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