Rewterz Threat Advisory –Multiple F5 BIG-IP Vulnerabilities

Severity

High

Analysis Summary

CVE-2023-27378 CVSS:7.5

F5 BIG-IP is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially crafted URL to execute script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.

CVE-2023-24461 CVSS:7.4

F5 NGINX Management Suite could allow a remote attacker to bypass security restrictions, caused by improper certificate validation. By sending a specially-crafted request, an attacker could exploit this vulnerability to impersonate a BIG-IP APM system.

CVE-2023-28742 CVSS:7.2

F5 BIG-IP (DNS) could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by a flaw in in DNS iQuery mesh when DNS is provisioned. By sending a specially crafted request, an attacker could exploit this vulnerability to execute arbitrary commands on the system.

Impact

• Cross-Site Scripting
• Bypass Security

Indicators Of Compromise

CVE

• CVE-2023-27378
• CVE-2023-24461
• CVE-2023-28742

Affected Vendors

F5

Affected Products

• F5 BIG-IP 13.1.0
• F5 BIG-IP 15.1.0
• F5 BIG-IP 14.1.0
• F5 BIG-IP 16.1.0
• F5 BIG-IP (APM) 14.1.0
• F5 BIG-IP (APM) 13.1.0
• F5 BIG-IP (APM) 15.1.0
• F5 BIG-IP (APM) 16.1.0
• F5 BIG-IP (DNS) 13.1.0
• F5 BIG-IP (DNS) 14.1.0
• F5 BIG-IP (DNS) 15.1.0
• F5 BIG-IP (DNS) 13.1.5

Remediation

Refer to F5 Security Advisory for patch, upgrade or suggested workaround information. 

CVE-2023-27378

CVE-2023-24461

CVE-2023-28742