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CVE-2023-42768— BIG-IP iControl REST vulnerability

Quick assessment

Affected
F5 BIG-IP
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

F5 BIG-IP是美国F5公司的一款集成了网络流量管理、应用程序安全管理、负载均衡等功能的应用交付平台。 F5 BIG-IP 存在代码问题漏洞，该漏洞源于当通过 iControl REST PUT 请求为非管理员用户分配管理员角色后，该用户的角色将通过配置实用程序、tmsh 或 iControl REST 恢复为非管理员角色。 BIG-IP 非管理员用户仍然可以访问 iControl REST 管理资源。

CVSS 7.2 · High EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1078.004 · Cloud Accounts
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I. Basic Information for CVE-2023-42768

Vulnerability Information
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Vulnerability Title
BIG-IP iControl REST vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
When a non-admin user has been assigned an administrator role via an iControl REST PUT request and later the user's role is reverted back to a non-admin role via the Configuration utility, tmsh, or iControl REST. BIG-IP non-admin user can still have access to iControl REST admin resource.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的会话过期机制
Source: CVE Program / CVE List V5
Vulnerability Title
F5 BIG-IP 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F5 BIG-IP是美国F5公司的一款集成了网络流量管理、应用程序安全管理、负载均衡等功能的应用交付平台。 F5 BIG-IP 存在代码问题漏洞，该漏洞源于当通过 iControl REST PUT 请求为非管理员用户分配管理员角色后，该用户的角色将通过配置实用程序、tmsh 或 iControl REST 恢复为非管理员角色。 BIG-IP 非管理员用户仍然可以访问 iControl REST 管理资源。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
F5 BIG-IP 17.1.0 ~ * -

II. Public POCs for CVE-2023-42768

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III. Intelligence Information for CVE-2023-42768

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Vendor Advisories for CVE-2023-42768 (1)

Same Patch Batch · F5 · 2023-10-10 · 15 CVEs total

CVE-2023-41373 9.9 CRITICAL BIG-IP Configuration Utility vulnerability
CVE-2023-43746 8.7 HIGH BIG-IP Appliance mode external monitor vulnerability
CVE-2023-40537 8.1 HIGH Multi-blade VIPRION Configuration utility session cookie vulnerability
CVE-2023-43611 7.8 HIGH BIG-IP Edge Client for macOS vulnerability
CVE-2023-41085 7.5 HIGH BIG-IP IPSEC vulnerability
CVE-2023-40542 7.5 HIGH BIG-IP TCP Profile vulnerability
CVE-2023-40534 7.5 HIGH BIG-IP HTTP/2 vulnerability
CVE-2023-45226 7.4 HIGH BIG-IP Next SPK SSH vulnerability
CVE-2023-5450 7.3 HIGH BIG-IP Edge Client for macOS vulnerability
CVE-2023-43485 5.5 MEDIUM BIGIP and BIG-IQ TACACS+ audit log Vulnerability
CVE-2023-41253 5.5 MEDIUM BIG-IP DNS TSIG Key vulnerability
CVE-2023-45219 4.4 MEDIUM BIG-IP tmsh vulnerability
CVE-2023-39447 4.4 MEDIUM BIG-IP APM Guided Configuration vulnerability
CVE-2023-41964 4.3 MEDIUM BIG-IP and BIG-IQ Database Variable vulnerability

IV. Related Vulnerabilities

Same product: BIG-IP
Same vendor: F5
Same weakness: CWE-613

V. Comments for CVE-2023-42768

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