F5 BIG-IP up to 11.2.1/11.5.4/11.6.1/12.1.2 Traffic Management Microkernel memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in F5 BIG-IP up to 11.2.1/11.5.4/11.6.1/12.1.2. Affected by this issue is some unknown functionality of the component Traffic Management Microkernel. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2017-6162. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 11.2.1/11.5.4/11.6.1/12.1.2 (Firewall Software). It has been declared as problematic. This vulnerability affects an unknown code block of the component Traffic Management Microkernel. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. CVE summarizes:

In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, Websafe software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1, 11.4.0 to 11.5.4, 11.2.1, in some cases TMM may crash when processing TCP traffic. This vulnerability affects TMM via a virtual server configured with TCP profile. Traffic processing is disrupted while Traffic Management Microkernel (TMM) restarts. If the affected BIG-IP system is configured to be part of a device group, it will trigger a failover to the peer device.

The bug was discovered 10/27/2017. The weakness was released 10/27/2017 (Website). The advisory is shared for download at support.f5.com. This vulnerability was named CVE-2017-6162 since 02/21/2017. 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 104189 (F5 Networks BIG-IP : TMM vulnerability (K13421245)), 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 370633 (F5 BIG-IP TMM Denial Of Service Vulnerability (K13421245)).

Upgrading 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 (104189) and SecurityFocus (BID 101635†). Entries connected to this vulnerability are available at VDB-108737, VDB-108735, VDB-108734 and VDB-108733. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

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

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 104189
Nessus Name: F5 Networks BIG-IP : TMM vulnerability (K13421245)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/21/2017 🔍
10/26/2017 +247 days 🔍
10/26/2017 +0 days 🔍
10/27/2017 +1 days 🔍
10/27/2017 +0 days 🔍
10/27/2017 +0 days 🔍
10/27/2017 +0 days 🔍
10/28/2017 +1 days 🔍
01/05/2023 +1895 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K13421245
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6162 (🔍)
GCVE (CVE): GCVE-0-2017-6162
GCVE (VulDB): GCVE-100-108736
SecurityFocus: 101635 - Multiple F5 BIG-IP Products CVE-2017-6162 Denial of Service Vulnerability
SecurityTracker: 1039673

See also: 🔍

Entryinfo

Created: 10/28/2017 10:36
Updated: 01/05/2023 09:26
Changes: 10/28/2017 10:36 (68), 12/01/2019 15:54 (6), 01/21/2021 07:50 (3), 01/05/2023 09:26 (3)
Complete: 🔍
Cache ID: 216::103

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