Windows DHCP Server Remote Code Execution Vulnerability

A memory corruption vulnerability exists in the Windows Server DHCP service when an attacker sends specially crafted packets to a DHCP failover server. An attacker who successfully exploited the vulnerability could either run arbitrary code on the DHCP failover server or cause the DHCP service to...

F5 SSL Orchestrator Competitive Conditions Issue Vulnerability

F5 SSL Orchestrator is an all-in-one appliance solution for SSL infrastructures from F5, Inc. that provides policy-based dynamic decryption, encryption and traffic control. F5 SSL Orchestrator is vulnerable to a race condition issue. An attacker could exploit this vulnerability to restart the TMM...

F5 Networks BIG-IP : TMM vulnerability (K95434410)

Undisclosed SSL traffic to a virtual server configured with a Client SSL profile may cause TMM to fail and restart. The Client SSL profile must have session tickets enabled and use DHE cipher suites to be affected. This only impacts the data plane, there is no impact to the control plane...

Transaction Log Backup Job for Microsoft SQL Server with AlwaysOn Availability Groups fails after installing CU15 for SQL Server 2017

Challenge When utilizing Always On Availability Groups on a Windows Server Failover Cluster using Microsoft SQL Server 2017 and after installing Cumulative Update package 15 CU15 for SQL Server 2017, Veeam Transaction Log Backup Jobs may fail with the following error message in the the statistics...

Citrix SDWAN High Availability FAQ

Q: What is the Platform and License Requirement for SDWAN High availability? The Platform and licenses should be same for both devices which participates in HA Q: What protocol and port numbers used by SDWAN for HA communication? SDWAN uses Citrix Proprietary protocol for HA communication and UDP...

Migrating VAO 1.0 Deployment to Version 2.0

Challenge Upgrade of Veeam Availability Orchestrator to version 2.0 is not supported. However, you have an option to migrate your VAO 1.0 configuration to version 2.0 with minimal downtime. This KB article briefly describes architectural changes introduced in 2.0 version and provides step-by-step...

Product update: Virtuozzo Infrastructure Platform 2.5 Update 6 (2.5.0-1642)

This update provides stability and usability fixes. Vulnerability id: VSTOR-9712, VSTOR-21601 Command-line tools improvements. Vulnerability id: VSTOR-21059 Fixed possible crash of vstorage-target-monitor on shutdown. Vulnerability id: VSTOR-21075 Automatic replication could stall in case some...

F5 Networks BIG-IP : HTTP/2 ALPN vulnerability (K94563344)

The Traffic Management Microkernel TMMmay restart when a virtual server has an HTTP/2 profile with Application Layer Protocol Negotiation ALPNenabled and it processes traffic where the ALPN extension size is zero.CVE-2019-6619 Impact BIG-IP The Traffic Management Microkernel TMM generates a core...

CVE-2019-0031

Specific IPv6 DHCP packets received by the jdhcpd daemon will cause a memory resource consumption issue to occur on a Junos OS device using the jdhcpd daemon configured to respond to IPv6 requests. Once started, memory consumption will eventually impact any IPv4 or IPv6 request serviced by the...

F5 Networks BIG-IP : BIG-IP snmpd vulnerability (K35209601)

When processing certainSNMP requests with a request-id of 0, thesnmpdprocess may leak a small amount of memory. CVE-2019-6606 Impact When a remote attacker exploits this vulnerability, the BIG-IP system may consume excessive amounts of memory, which can result in a failover event. C Tenable Netwo...

F5 BIG-IP Infinite Loop Vulnerability

F5 BIG-IP is an application delivery platform from F5 USA that integrates network traffic management, application security management, load balancing and other functions. An infinite loop vulnerability exists in F5 BIG-IP. An attacker could exploit this vulnerability to cause the system to...

F5 Networks BIG-IP : F5 BIG-IP TMM vulnerability (K31404801)

In versions 13.0.0, 12.0.0-12.1.3, or 11.6.0-11.6.2, an F5 BIG-IP virtual server using the URL categorization feature may cause the Traffic Management Microkernel TMM to produce a core file when it receives malformed URLs during categorization. CVE-2017-6169. Impact An attacker may be able to...

F5 Networks BIG-IP : TMM with LRO vulnerability (K07550539)

When Large Receive Offload LRO is enabled, undisclosed traffic patterns may cause TMM to restart. LRO has been available since 11.4.0 but is not enabled by default until13.1.0 for all platformsand 12.0.0 for Virtual Edition. CVE-2018-15311 Impact An attacker may be able to disrupt traffic or caus...

F5 Networks BIG-IP : BIG-IP APM VPN vulnerability (K20087443)

In F5 BIG-IP APM software version 13.0.0 and 12.1.2, in some circumstances, APM tunneled VPN flows can cause a VPN/PPP connflow to be prematurely freed or cause TMM to stop responding with a 'flow not in use' assertion. An attacker may be able to disrupt traffic or cause the BIG-IP system to fail...

F5 Networks BIG-IP : RADIUS authentication vulnerability (K62750376)

Using RADIUS authentication responses from a RADIUS server with IPv6 addresses may cause TMM to crash, leading to a failover event. CVE-2018-5515 Impact BIG-IP When a BIG-IP system receives a RADIUS authentication response from a IPv6 RADIUS server, the affected system produces a Traffic Manageme...

F5 Networks BIG-IP : TMM vulnerability (K37404773)

An undisclosed sequence of packets, sourced from an adjacent network may cause TMM to crash.CVE-2017-6134 Impact This issue is exposed in the default configuration. Traffic processing is disrupted while the Traffic Management Microkernel TMM restarts. If the affected F5 device is configured as pa...

F5 Networks BIG-IP : TMM vulnerability (K10930474)

Malformed SPDY or HTTP/2 requests may result in a disruption of service to TMM. Data plane is only exposed when a SPDY or HTTP/2 profile is attached to a virtual server. There is no control plane exposure. CVE-2017-6155 Impact An attacker may be able to disrupt traffic or cause the BIG-IP system ...

CVE-2018-15311

When F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.5.1-11.5.6 is processing specially crafted TCP traffic with the Large Receive Offload LRO feature enabled, TMM may crash, leading to a failover event. This vulnerability is not exposed unless LRO is enabled, so most affected...

CVE-2018-15311

When F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.5.1-11.5.6 is processing specially crafted TCP traffic with the Large Receive Offload LRO feature enabled, TMM may crash, leading to a failover event. This vulnerability is not exposed unless LRO is enabled, so most affected...

CVE-2018-15311

When F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, 11.6.0-11.6.3.2, or 11.5.1-11.5.6 is processing specially crafted TCP traffic with the Large Receive Offload LRO feature enabled, TMM may crash, leading to a failover event. This vulnerability is not exposed unless LRO is enabled, so most affected...