F5 BIG-IP up to 15.1.0.3 TMOS Shell privileges management

Summaryinfo

A vulnerability categorized as critical has been discovered in F5 BIG-IP up to 11.6.5.1/12.1.5.1/13.1.3.3/14.1.2.3/15.1.0.3. This vulnerability affects unknown code of the component TMOS Shell. The manipulation results in privileges management. This vulnerability was named CVE-2020-5907. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in F5 BIG-IP up to 11.6.5.1/12.1.5.1/13.1.3.3/14.1.2.3/15.1.0.3 (Firewall Software). It has been classified as critical. Affected is an unknown functionality of the component TMOS Shell. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In BIG-IP versions 15.0.0-15.1.0.3, 14.1.0-14.1.2.3, 13.1.0-13.1.3.3, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.1, an authorized user provided with access only to the TMOS Shell (tmsh) may be able to conduct arbitrary file read/writes via the built-in sftp functionality.

The weakness was presented 07/01/2020 (Website). The advisory is available at support.f5.com. This vulnerability is traded as CVE-2020-5907 since 01/06/2020. It is possible to launch the attack remotely. The successful exploitation needs a authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 07/02/2020). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

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

See VDB-157577, VDB-157576, VDB-157575 and VDB-157574 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Firewall Software

Vendor

• F5

Name

• BIG-IP

Version

• 11.6.5.0
• 11.6.5.1
• 12.1.5.0
• 12.1.5.1
• 13.1.3.0
• 13.1.3.1
• 13.1.3.2
• 13.1.3.3
• 14.1.2.0
• 14.1.2.1
• 14.1.2.2
• 14.1.2.3
• 15.1.0.0
• 15.1.0.1
• 15.1.0.2
• 15.1.0.3

License

• commercial

Website

• Vendor: https://f5.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion