F5 BIG-IP up to 11.5.5/11.6.2/12.1.2 SOCKS Proxy Request input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in F5 BIG-IP up to 11.5.5/11.6.2/12.1.2. The impacted element is an unknown function of the component SOCKS Proxy Request Handler. This manipulation causes input validation. This vulnerability is tracked as CVE-2017-6148. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in F5 BIG-IP up to 11.5.5/11.6.2/12.1.2 (Firewall Software) and classified as problematic. Affected by this vulnerability is some unknown functionality of the component SOCKS Proxy Request Handler. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

Responses to SOCKS proxy requests made through F5 BIG-IP version 13.0.0, 12.0.0-12.1.3.1, 11.6.1-11.6.2, or 11.5.1-11.5.5 may cause a disruption of services provided by TMM. The data plane is impacted and exposed only when a SOCKS proxy profile is attached to a Virtual Server. The control plane is not impacted by this vulnerability.

The bug was discovered 04/13/2018. The weakness was disclosed 04/13/2018 (Website). It is possible to read the advisory at support.f5.com. This vulnerability is known as CVE-2017-6148 since 02/21/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 118683 (F5 Networks BIG-IP : BIG-IP SOCKS proxy vulnerability (K55225440)), 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 370892 (F5 BIG-IP ASM Multiple Security Vulnerabilities (K55225440, K52521791)).

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 vulnerability database at Tenable (118683). The entry VDB-116201 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: 🔍

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: 118683
Nessus Name: F5 Networks BIG-IP : BIG-IP SOCKS proxy vulnerability (K55225440)
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 🔍
04/12/2018 +415 days 🔍
04/13/2018 +0 days 🔍
04/13/2018 +0 days 🔍
04/13/2018 +0 days 🔍
04/16/2018 +3 days 🔍
11/02/2018 +200 days 🔍
02/28/2023 +1579 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K55225440
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6148 (🔍)
GCVE (CVE): GCVE-0-2017-6148
GCVE (VulDB): GCVE-100-116167
See also: 🔍

Entryinfo

Created: 04/16/2018 09:27
Updated: 02/28/2023 06:51
Changes: 04/16/2018 09:27 (62), 01/24/2020 21:26 (8), 02/28/2023 06:51 (4)
Complete: 🔍
Cache ID: 216::103

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