F5 BIG-IP up to 11.6.0 HF5 Last Hop Kernel resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in F5 BIG-IP up to 11.6.0 HF5. Affected by this vulnerability is an unknown functionality of the component Last Hop Kernel Module. Executing a manipulation can lead to resource management. This vulnerability appears as CVE-2015-5516. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in F5 BIG-IP up to 11.6.0 HF5 (Firewall Software) and classified as critical. This vulnerability affects an unknown part of the component Last Hop Kernel Module. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:

Memory leak in the last hop kernel module in F5 BIG-IP LTM, GTM, and Link Controller 10.1.x, 10.2.x before 10.2.4 HF13, 11.x before 11.2.1 HF15, 11.3.x, 11.4.x, 11.5.x before 11.5.3 HF2, and 11.6.x before HF6, BIG-IP AAM 11.4.x, 11.5.x before 11.5.3 HF2 and 11.6.0 before HF6, BIG-IP AFM and PEM 11.3.x, 11.4.x, 11.5.x before 11.5.3 HF2, and 11.6.0 before HF6, BIG-IP Analytics 11.x before 11.2.1 HF15, 11.3.x, 11.4.x, 11.5.x before 11.5.3 HF2, and 11.6.0 before HF6, BIG-IP APM and ASM 10.1.0 through 10.2.4, 11.x before 11.2.1 HF15, 11.3.x, 11.4.x, 11.5.x before 11.5.3 HF2, and 11.6.0 before HF6, BIG-IP Edge Gateway, WebAccelerator, and WOM 10.1.x, 10.2.x before 10.2.4 HF13, 11.x before 11.2.1 HF15, and 11.3.0, BIG-IP PSM 10.1.x, 10.2.x before 10.2.4 HF13, 11.x before 11.2.1 HF15, 11.3.x, and 11.4.x before 11.4.1 HF, Enterprise Manager 3.0.0 through 3.1.1, BIG-IQ Cloud and Security 4.0.0 through 4.5.0, BIG-IQ Device 4.2.0 through 4.5.0, and BIG-IQ ADC 4.5.0 might allow remote attackers to cause a denial of service (memory consumption) via a large number of crafted UDP packets.

The weakness was presented 01/20/2016 (Website). The advisory is shared for download at support.f5.com. This vulnerability was named CVE-2015-5516 since 07/13/2015. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 88390 (F5 Networks BIG-IP : BIG-IP last hop kernel module vulnerability (K00032124)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371043 (F5 BIG-IP ASM last hop kernel module vulnerability (K00032124)).

Upgrading to version 11.6.0 HF6 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (88390) and Vulnerability Center (SBV-55978†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 88390
Nessus Name: F5 Networks BIG-IP : BIG-IP last hop kernel module vulnerability (K00032124)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800325
OpenVAS Name: F5 BIG-IP - SOL00032124 - BIG-IP last hop kernel module vulnerability CVE-2015-5516
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BIG-IP 11.6.0 HF6

Timelineinfo

07/13/2015 🔍
01/14/2016 +185 days 🔍
01/14/2016 +0 days 🔍
01/20/2016 +6 days 🔍
01/20/2016 +0 days 🔍
01/21/2016 +1 days 🔍
01/22/2016 +1 days 🔍
01/27/2016 +5 days 🔍
07/05/2022 +2351 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K00032124
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5516 (🔍)
GCVE (CVE): GCVE-0-2015-5516
GCVE (VulDB): GCVE-100-80608
SecurityTracker: 1034686
Vulnerability Center: 55978 - F5 Big-IP and Big-IQ Remote DoS in Last Hop Kernel Module, High

Entryinfo

Created: 01/22/2016 09:31
Updated: 07/05/2022 17:22
Changes: 01/22/2016 09:31 (66), 07/02/2018 09:14 (13), 07/05/2022 17:13 (3), 07/05/2022 17:22 (1)
Complete: 🔍
Cache ID: 216:462:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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