F5 BIG-IP/BIG-IQ/iWorkflow/Enterprise Manager TMOS Shell access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.8$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in F5 BIG-IP, BIG-IQ, iWorkflow and Enterprise Manager. This issue affects some unknown processing of the component TMOS Shell. The manipulation leads to access control. The identification of this vulnerability is CVE-2019-6642. The attack may be initiated remotely. There is no exploit available. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability classified as critical was found in F5 BIG-IP, BIG-IQ, iWorkflow and Enterprise Manager (Firewall Software) (affected version unknown). This vulnerability affects an unknown functionality of the component TMOS Shell. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In BIG-IP 15.0.0, 14.0.0-14.1.0.5, 13.0.0-13.1.1.5, 12.1.0-12.1.4.2, and 11.5.2-11.6.4, BIG-IQ 6.0.0-6.1.0 and 5.1.0-5.4.0, iWorkflow 2.3.0, and Enterprise Manager 3.1.1, authenticated users with the ability to upload files (via scp, for example) can escalate their privileges to allow root shell access from within the TMOS Shell (tmsh) interface. The tmsh interface allows users to execute a secondary program via tools like sftp or scp.

The weakness was disclosed 07/01/2019 (Website). The advisory is shared for download at support.f5.com. This vulnerability was named CVE-2019-6642 since 01/22/2019. The attack can be initiated remotely. The successful exploitation needs a single authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 10/15/2023). The MITRE ATT&CK project declares the attack technique as T1068.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/22/2019 🔍
07/01/2019 +160 days 🔍
07/02/2019 +1 days 🔍
10/15/2023 +1566 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K40378764
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-6642 (🔍)
GCVE (CVE): GCVE-0-2019-6642
GCVE (VulDB): GCVE-100-137152

Entryinfo

Created: 07/02/2019 06:44 AM
Updated: 10/15/2023 09:19 AM
Changes: 07/02/2019 06:44 AM (54), 06/29/2020 04:54 PM (1), 10/15/2023 09:19 AM (3)
Complete: 🔍
Cache ID: 18:0CD:40

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