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Severity
High
Analysis Summary
CVE-2021-22992
F5 BIG-IP is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the is_hdr_criteria_matches function. By sending a specially crafted HTTP response, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause a denial of service.
CVE-2021-22991
F5 BIG-IP is vulnerable to a buffer overflow, caused by improper bounds checking by Traffic Management Microkernel (TMM) URI normalization. By sending undisclosed requests, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVE-2021-22990, CVE-2021-22989, CVE-2021-22988, CVE-2021-22987
F5 BIG-IP could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by an error in the Traffic Management User Interface (TMUI), also referred to as the Configuration utility. An attacker could exploit this vulnerability using the control plane to execute arbitrary system commands, create or delete files, and disable services.
CVE-2021-22986
F5 BIG-IP could allow a remote attacker to execute arbitrary commands on the system, caused by an error in the iControl REST interface. An attacker could exploit this vulnerability using the control plane to execute arbitrary system commands, create or delete files, and disable services.
Impact
- Denial of service
- Command execution
- Arbitrary code execution
Affected Vendors
F5
Affected Products
- F5 BIG-IP (ASM) 14.1.0
- F5 BIG-IQ 6.0.0
- F5 BIG-IQ 6.1.0
- F5 BIG-IP (ASM) 15.0.0
Remediation
Refer to F5 Security Advisory for complete list of affected products, patches.