Big-ip Link Controller vulnerabilities
128 known vulnerabilities in Big-ip Link Controller from F5. 127 are rated high or critical, and 11 have been exploited in real attacks. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
Latest first
- 8.7 High severity
BIG-IP: Path Traversal: '.../...//'
When running in Appliance mode, an authenticated attacker assigned the 'Administrator' role may be able to bypass Appliance mode restrictions on a BIG-IP system. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- 8.7 High severity
BIG-IP: Improper Neutralization of Special Elements used in an OS Command
An authenticated attacker with the Resource Administrator or Administrator role can create SNMP configuration objects through iControl SOAP resulting in privilege escalation. Note: Software versions which have reached End of Technical Support (EoTS) are not ev
- 7.5 High severity
BIG-IP: Loop with Unreachable Exit Condition
When a Client SSL profile is configured with Allow Dynamic Record Sizing on a UDP virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) ar
- 7.5 High severity
BIG-IP: NULL Pointer Dereference
When an HTTP/2 profile and an iRule containing the HTTP::redirect or HTTP::respond command are configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) process to terminate. Note: Software versions which have reac
- 8.7 High severity
BIG-IP: Privilege Defined With Unsafe Actions
A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands. Note: Software versions which have reached
- 8.8 High severity
BIG-IP: Deserialization of Untrusted Data
An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- 7.5 High severity
BIG-IP: Stack-based Buffer Overflow
When a classification profile is configured on a UDP virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- 8.7 High severity
BIG-IP: Improper Neutralization of Special Elements used in a Command
A vulnerability exists in BIG-IP systems where a highly privileged, authenticated attacker with at least the Resource Administrator role can modify configuration objects resulting in privilege escalation. Note: Software versions which have reached End of Techn
- 9.1 Critical severity
BIG-IP: Incorrect Use of Privileged APIs
A vulnerability exists in iControl REST where a highly privileged, authenticated attacker with at least the Manager role can create configuration objects that allow running arbitrary commands. Note: Software versions which have reached End of Technical Support
- 7.5 High severity
BIG-IP: Use After Free
When BIG-IP PEM iRules are configured on a virtual server (iRules using commands starting with CLASSIFICATION::, CLASSIFY::, PEM::, PSC::, and the urlcatquery command), undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note:
- 7.9 High severity
BIG-IP: Incorrect Permission Assignment for Critical Resource
A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges. In Appliance mode deployments, a s
- 8.7 High severity
BIG-IP: Improper Neutralization of Special Elements used in a Command
A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Resource Administrator role can create SNMP configuration objects through iControl REST or the TMOS shell (tmsh) resulting in privilege esca
- 8.7 High severity
BIG-IP: Files or Directories Accessible to External Parties
An authenticated attacker with the Resource Administrator or Administrator role can modify configuration objects through iControl SOAP resulting in privilege escalation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluat
- 7.5 High severity
BIG-IP: Allocation of Resources Without Limits or Throttling
When SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- 7.5 High severity
BIG-IP: Incorrect Calculation of Buffer Size
When an SSL profile is configured on a virtual server on BIG-IP Virtual Edition (VE) without Intel QuickAssist Technology (QAT) or on BIG-IP hardware platforms with the database variable crypto.hwacceleration set to disabled, undisclosed traffic can cause the
- 7.5 High severity
BIG-IP: Allocation of Resources Without Limits or Throttling
When a SIP profile is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- 7.2 High severity
BIG-IP: Least Privilege Violation
A vulnerability exists in iControl REST and the TMOS Shell (tmsh) where a highly privileged, authenticated attacker with at least the Manager role can create configuration objects that allow running arbitrary commands. Note: Software versions which have reache
- 7.5 High severity
BIG-IP: Access of Uninitialized Pointer
When a BIG-IP is configured with DNS caching (Such as a DNS profile with caching enabled, SSL Orchestrator, Advanced WAF DoS protection), undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have re
- 7.5 High severity
BIG-IP: Missing Release of Resource after Effective Lifetime
When the BIG-IP Configuration utility is configured to use Lightweight Directory Access Protocol (LDAP) authentication, undisclosed traffic can cause the httpd process to exhaust the available file descriptors. Note: Software versions which have reached End of
- 8.7 High severity
BIG-IP: Improper Neutralization of Special Elements used in an OS Command
When running in Appliance mode, an authenticated remote command injection vulnerability exists in an undisclosed iControl REST endpoint. A successful exploit can allow the attacker to cross a security boundary. Note: Software versions which have reached End of
- 8.7 High severity
BIG-IP: Execution with Unnecessary Privileges
A vulnerability exists in BIG-IP scripted monitors that may allow an authenticated attacker with the Resource Administrator or Administrator role to execute arbitrary system commands with higher privileges. In appliance mode deployments, a successful exploit c
- 8.7 High severity
BIG-IP: Execution with Unnecessary Privileges
A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands. Note: Software versions which have reached
- 7.5 High severity
BIG-IP: Double Free
When using a multi-bladed platform with more than one blade, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- 7.5 High severity
BIG-IP: Use of Uninitialized Variable
When IPsec is configured on the BIG-IP system, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- 8.7 High severity
BIG-IP: Execution with Unnecessary Privileges
A vulnerability exists in the iHealth command that may allow an authenticated attacker with at least a resource administrator role to bypass tmsh restrictions and gain access to a bash shell. For BIG-IP systems running in Appliance mode, a successful exploit c
- 7.5 High severity
BIG-IP: Out-of-bounds Read
Undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. This issue may occur when a Datagram Transport Layer Security (DTLS) 1.2 virtual server is enabled with a Server SSL profile that is configured with a certificate, key, and th
- 7.5 High severity
BIG-IP: Incomplete Cleanup
When DNS cache is configured on a BIG-IP or BIG-IP Next CNF virtual server, undisclosed DNS queries can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- 8.7 High severity
BIG-IP: Execution with Unnecessary Privileges
A vulnerability exists in an undisclosed iControl REST and BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with at least resource administrator role to execute arbitrary system commands with higher privileges. A successful exploit can
- 7.5 High severity
BIG-IP: Out-of-bounds Write
When the database variable tm.tcpudptxchecksum is configured as non-default value Software-only on a BIG-IP system, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical
- 8.7 High severity
BIG-IP: Improper Neutralization of Special Elements used in an OS Command
When running in Appliance mode, a highly privileged authenticated attacker with access to SCP and SFTP may be able to bypass Appliance mode restrictions using undisclosed commands. Note: Software versions which have reached End of Technical Support (EoTS) are
- 7.5 High severity
BIG-IP: Incorrect Control Flow Scoping
When a virtual server, network address translation (NAT) object, or secure network address translation (SNAT) object uses the embedded Packet Velocity Acceleration (ePVA) feature, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to termin
- 7.5 High severity
BIG-IP: Buffer Copy without Checking Size of Input
When an iRule using an ILX::call command is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- 7.5 High severity
BIG-IP: Use After Free
When a TCP profile with Multipath TCP (MPTCP) enabled is configured on a virtual server, undisclosed traffic along with conditions beyond the attacker's control can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have
- 7.5 High severity
BIG-IP: Allocation of Resources Without Limits or Throttling
When an iRule containing the HTTP::respond command is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- 7.5 High severity
BIG-IP: NULL Pointer Dereference
When a BIG-IP LTM Client SSL profile is configured on a virtual server with SSL Forward Proxy enabled and Anonymous Diffie-Hellman (ADH) ciphers enabled, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versi
- 7.5 High severity
BIG-IP: NULL Pointer Dereference
When a Session Initiation Protocol (SIP) message routing framework (MRF) application layer gateway (ALG) profile is configured on a Message Routing virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Soft
- 7.5 High severity
BIG-IP: Out-of-bounds Write
When connection mirroring is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate in the standby BIG-IP systems in a traffic group. Note: Software versions which have reached End of Technical Supp
- 7.5 High severity
BIG-IP: NULL Pointer Dereference
When HTTP/2 client and server profile is configured on a virtual server, undisclosed requests can cause TMM to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
- 7.5 High severity
BIG-IP: Improper Resource Shutdown or Release
When a Stream Control Transmission Protocol (SCTP) profile is configured on a virtual server, undisclosed requests can cause an increase in memory resource utilization. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluate
- 7.5 High severity
BIG-IP: Buffer Copy without Checking Size of Input
When an HTTP profile with the Enforce RFC Compliance option is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are