QID 730489

Date Published: 2022-05-09

QID 730489: F5 BIG-IP iControl REST Remote Code Execution (RCE) Vulnerability (K23605346) (Unauthenticated Check)

Undisclosed requests may bypass iControl REST authentication. (CVE-2022-1388)

Vulnerable Component: BIG-IP ASM,LTM,APM

Affected Versions:
16.1.0 - 16.1.2
15.1.0 - 15.1.5
14.1.0 - 14.1.4
13.1.0 - 13.1.4
12.1.0 - 12.1.6
11.6.1 - 11.6.5

QID Detection Logic(Unauthenticated):
This QID checks for the vulnerable instances of F5 BIG-IP by sending a crafted payload to the /mgmt/tm/util/bash endpoint.

This vulnerability may allow an unauthenticated attacker with network access to the BIG-IP system through the management port and/or self IP addresses to execute arbitrary system commands, create or delete files, or disable services. There is no data plane exposure; this is a control plane issue only.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

For more information about patch details please refer to K23605346Workaround:
Customers are advised to apply the following mitigations. These mitigations restrict access to iControl REST to only trusted networks or devices, thereby limiting the attack surface.

1. Block iControl REST access through the self IP address
2. Block iControl REST access through the management interface
3. Modify the BIG-IP httpd configuration

Vendor References

K23605346 - support.f5.com/csp/article/K23605346

CVEs related to QID 730489

CVE-2022-1388 |

Software Advisories

Advisory ID	Software	Component	Link
K23605346			support.f5.com/csp/article/K23605346

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