F5 BIG-IP up to 11.5.4/11.6.1/12.1.1 HTTP Proxy/SOCKS command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in F5 BIG-IP up to 11.5.4/11.6.1/12.1.1. This affects an unknown function of the component HTTP Proxy/SOCKS. The manipulation results in command injection. This vulnerability is reported as CVE-2017-6157. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in F5 BIG-IP up to 11.5.4/11.6.1/12.1.1 (Firewall Software). Affected is an unknown functionality of the component HTTP Proxy/SOCKS. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM and Websafe software version 12.0.0 to 12.1.1, 11.6.0 to 11.6.1, 11.5.0 - 11.5.4, virtual servers with a configuration using the HTTP Explicit Proxy functionality and/or SOCKS profile are vulnerable to an unauthenticated, remote attack that allows modification of BIG-IP system configuration, extraction of sensitive system files, and/or possible remote command execution on the BIG-IP system.

The bug was discovered 10/26/2017. The weakness was disclosed 10/27/2017 (Website). The advisory is shared for download at support.f5.com. This vulnerability is traded as CVE-2017-6157 since 02/21/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1202.

The vulnerability scanner Nessus provides a plugin with the ID 104187 (F5 Networks BIG-IP : BIG-IP virtual server with HTTP Explicit Proxy and/or SOCKS vulnerability (K02692210)), 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 370629 (F5 BIG-IP HTTP Explicit and SOCKS Proxy Vulnerability (K02692210)).

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 (104187) and SecurityFocus (BID 101634†). The entries VDB-108736, VDB-108735, VDB-108734 and VDB-108733 are pretty similar. Once again VulDB remains the best 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: 7.7
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
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: 104187
Nessus Name: F5 Networks BIG-IP : BIG-IP virtual server with HTTP Explicit Proxy and/or SOCKS vulnerability (K02692210)
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: K02692210
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-6157 (🔍)
GCVE (CVE): GCVE-0-2017-6157
GCVE (VulDB): GCVE-100-108732
SecurityFocus: 101634 - Multiple F5 BIG-IP Products CVE-2017-6157 Remote Command Execution Vulnerability
SecurityTracker: 1039672

See also: 🔍

Entryinfo

Created: 10/28/2017 10:35
Updated: 01/05/2023 09:17
Changes: 10/28/2017 10:35 (68), 12/01/2019 15:39 (6), 01/21/2021 07:31 (2), 01/05/2023 09:17 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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