K60344652: BIG-IP AFM vulnerability CVE-2020-27714

Security Advisory Description On the BIG-IP AFM, when a Protocol Inspection Profile is attached to a FastL4 virtual server with the protocol field configured to either Other or All Protocols, the TMM may experience a restart if the profile processes non-TCP traffic. CVE-2020-27714 Impact The...

K16101409: BIG-IP AFM vulnerability CVE-2022-23028

Security Advisory Description When global AFM SYN cookie protection TCP Half Open flood vector is activated in the AFM Device Dos or DOS profile, certain types of TCP connections will fail. CVE-2022-23028 Impact This vulnerability allows a remote attacker to cause a denial-of-service DoS on the...

K75521003: FreeBSD SACK Slowness vulnerability CVE-2019-5599

Security Advisory Description In FreeBSD 12.0-STABLE before r349197 and 12.0-RELEASE before 12.0-RELEASE-p6, a bug in the non-default RACK TCP stack can allow an attacker to cause several linked lists to grow unbounded and cause an expensive list traversal on every packet being processed, leading...

K78234183: Linux SACK Panic vulnerability CVE-2019-11477

Security Advisory Description Jonathan Looney discovered that the TCPSKBCBskb-tcpgsosegs value was subject to an integer overflow in the Linux kernel when handling TCP Selective Acknowledgments SACKs. A remote attacker could use this to cause a denial of service. This has been fixed in stable...

K25573437: TMM vulnerability CVE-2018-5517

Security Advisory Description Malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs. CVE-2018-5517 Impact This vulnerability...

K26618426: Linux SACK Slowness vulnerability CVE-2019-11478

Security Advisory Description Jonathan Looney discovered that the TCP retransmission queue implementation in tcpfragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment SACK sequences. A remote attacker could use this to cause a denial of service. This h...

K56105136: BIND vulnerability CVE-2022-0396

Security Advisory Description BIND 9.16.11 - 9.16.26, 9.17.0 - 9.18.0 and versions 9.16.11-S1 - 9.16.26-S1 of the BIND Supported Preview Edition. Specifically crafted TCP streams can cause connections to BIND to remain in CLOSEWAIT status for an indefinite period of time, even after the client ha...

K15794: ICMP vulnerability CVE-2004-0791

Security Advisory Description Multiple TCP/IP and ICMP implementations allow remote attackers to cause a denial of service network throughput reduction for TCP connections via a blind throughput-reduction attack using spoofed Source Quench packets, aka the "ICMP Source Quench attack". CVE-2004-07...

K15792: Path MTU discovery vulnerability CVE-2004-1060

Security Advisory Description Multiple TCP/IP and ICMP implementations, when using Path MTU PMTU discovery PMTUD, allow remote attackers to cause a denial of service network throughput reduction for TCP connections via forged ICMP "Fragmentation Needed and Don't Fragment was Set" packets with a l...

K52510343: ICMP PMTU messages are forwarded to the server side when the TCP proxy-mss setting is enabled in the associated profile

Security Advisory Description This issue occurs when all of the following conditions are met: Internet Control Message Protocol ICMP path maximum transmission unit PMTU messages are forwarded through the BIG-IP system running on the affected versions. OneConnect or SNAT is configured and actively...

K81211720: Linux kernel vulnerability CVE-2017-6214

Security Advisory Description The tcpspliceread function in net/ipv4/tcp.c in the Linux kernel before 4.9.11 allows remote attackers to cause a denial of service infinite loop and soft lockup via vectors involving a TCP packet with the URG flag. CVE-2017-6214 Impact An attacker, using a specially...

K35414143: AMNESIA:33 vulnerability

Security Advisory Description AMNESIA:33 is a set of 33 vulnerabilities that impact four open source TCP/IP stacks uIP, FNET, picoTCP and Nut/Net, which collectively serve as the foundational components of millions of connected devices worldwide. These vulnerabilities primarily cause memory...

K50375550: A specifically crafted HTTP request may lead the BIG-IP system to pass malformed HTTP requests to a target pool member web server (HTTP Desync Attack)

Security Advisory Description A specifically crafted HTTP request that contains Content-Length and Transfer-Encoding headers may lead the BIG-IP system to pass malformed HTTP requests to a target pool member web server. This issue occurs when the following condition is met: A virtual server...

K87416818: TMM vulnerability CVE-2016-7476

Security Advisory Description The Traffic Management Microkernel TMM may suffer from a memory leak while handling certain types of TCP traffic. CVE-2016-7476 Impact Remote attackers may cause a denial of service DoS by way of a crafted TCP packet. Security Advisory Status F5 Product Development h...

K44200194: DNS TCP virtual server vulnerability CVE-2018-5501

Security Advisory Description In some circumstances TCP DNS profile allows excessive buffering due to lack of flow control. CVE-2018-5501 Impact The affected BIG-IP system may experience performance degradation or denial-of-service DoS in the worst-case scenario when the vulnerability is exploite...

K33211839: TMM vulnerability CVE-2018-5500

Security Advisory Description Every Multipath TCP MCTCP connection established leaks a small amount of memory. Virtual server using TCP profile with Multipath TCP MCTCP feature enabled will be affected by this issue. CVE-2018-5500 Impact Over a period of time, the memory leak may lead to memory...

K33500120: TMM vulnerability CVE-2016-9247

Security Advisory Description Under certain conditions for BIG-IP systems using a virtual server with an associated FastL4 profile and TCP analytics profile, a specific sequence of packets may cause the Traffic Management Microkernel TMM to restart. CVE-2016-9247 Impact An attacker may be able to...

K46514822: Linux TCP stack vulnerability CVE-2016-5696

Security Advisory Description net/ipv4/tcpinput.c in the Linux kernel before 4.7 does not properly determine the rate of challenge ACK segments, which makes it easier for man-in-the-middle attackers to hijack TCP sessions via a blind in-window attack. CVE-2016-5696 Impact Attackers may be able to...

K11155549: IPSEC vulnerability CVE-2019-14899

Security Advisory Description A vulnerability was discovered in Linux, FreeBSD, OpenBSD, MacOS, iOS, and Android that allows a malicious access point, or an adjacent user, to determine if a connected user is using a VPN, make positive inferences about the websites they are visiting, and determine...

K81137982: TMM vulnerability CVE-2017-6136

Security Advisory Description Undisclosed traffic patterns sent to BIG-IP virtual servers, with the TCP Fast Open and Tail Loss Probe options enabled in the associated TCP profile, may cause a disruption of service to the Traffic Management Microkernel TMM. CVE-2017-6136 Impact An attacker may be...