Schneider Electric Modicon Out-of-bounds Write (CVE-2020-7502)

A CWE-787: Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller Firmware version 4.3 and prior, which may cause a Denial of Service when specific TCP/IP crafted packets are sent to the Modicon M218 Logic Controller. This plugin only works with Tenable.ot. Please visit...

Fedora: Security Advisory for haproxy (FEDORA-2023-7e04833463)

The remote host is missing an update for the Copyright C 2023 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Fedora: Security Advisory for haproxy (FEDORA-2023-3e8a21cd5b)

The remote host is missing an update for the Copyright C 2023 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

[SECURITY] Fedora 36 Update: haproxy-2.4.22-2.fc36

HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments. Indeed, it can: - route HTTP requests depending on statically assigned cookies - spread load among several servers while assuring server persistence through the use of HTTP cookies - switch to...

[SECURITY] Fedora 37 Update: haproxy-2.6.9-1.fc37

HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments. Indeed, it can: - route HTTP requests depending on statically assigned cookies - spread load among several servers while assuring server persistence through the use of HTTP cookies - switch to...

Gcore Thwarts Massive 650 Gbps DDoS Attack on Free Plan Client

At the beginning of January, Gcore faced an incident involving several L3/L4 DDoS attacks with a peak volume of 650 Gbps. Attackers exploited over 2000 servers belonging to one of the top three cloud providers worldwide and targeted a client who was using a free CDN plan. However, due to Gcore's...

CVE-2023-0461

There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIGTLS or CONFIGXFRMESPINTCP has to be configured, but the operation does not require any privilege. There is a...

K22843911: F5 Path MTU Discovery vulnerability CVE-2015-7759

Security Advisory Description BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, Link Controller, and PEM 12.0.0 before HF1, when the TCP profile for a virtual server is configured with Congestion Metrics Cache enabled, allow remote attackers to cause a denial of service Traffic Management Microkernel TM...

K49440608: TMOS vulnerability CVE-2018-5509

Security Advisory Description When a specifically configured virtual server receives traffic of an undisclosed nature, the Traffic Management Microkernel TMM will crash and take the configured failover action, potentially causing a denial of service. The configuration that exposes this issue is n...

K49405623: Linux vulnerability CVE-2002-2438

Security Advisory Description TCP firewalls could be circumvented by sending a SYN Packets with other flags like e.g. RST flag set, which was not correctly discarded by the Linux TCP stack after firewalling. CVE-2002-2438 Impact There is no impact; F5 products are not affected by this...

K23440942: Insufficient validation of ICMP error messages CVE-2004-0790 (11.x - 13.x)

Security Advisory Description The vulnerability described in this article was initially fixed in earlier versions, but a regression was reintroduced in BIG-IP 12.x through 13.x. For information about earlier versions, refer to K4583: Insufficient validation of ICMP error messages - VU222750 /...

K13108: TCP Packet Filtering Weakness - CERT VU#464113

Security Advisory Description Note : For information about signing up to receive security notice updates from F5, refer to K9970: Subscribing to email notifications regarding F5 products. Note : Versions that are not listed in this article have not been evaluated for vulnerability to this securit...

K13053402: TMM vulnerability CVE-2016-7468

Security Advisory Description An unauthenticated remote attacker may be able to disrupt services on F5 BIG-IP 11.4.1 - 11.5.4 devices with maliciously crafted network traffic. This vulnerability affects virtual servers associated with TCP profiles when the BIG-IP system's tm.tcpprogressive db...

K17133899: Multiple Treck TCP/IP stack vulnerabilities

Security Advisory Description CVE-2020-11896 The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling. CVE-2020-11897 The Treck TCP/IP stack before 5.0.1.35 has an Out-of-Bounds Write via multiple malformed IPv6 packets. CVE-2020-11898 The Treck TCP/IP stack...

K15274: TCP reassembly vulnerability CVE-2014-3000

Security Advisory Description The TCP reassembly function in the inet module in FreeBSD 8.3 before p16, 8.4 before p9, 9.1 before p12, 9.2 before p5, and 10.0 before p2 allows remote attackers to cause a denial of service undefined memory access and system crash or possibly read system memory via...

K14632915: TMM vulnerability CVE-2019-6603

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-2019-6603 Impact This vulnerability...

K23173103: log4j vulnerability CVE-2017-5645

Security Advisory Description In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code. CVE-2017-5645 Impact...

K15840535: BIND vulnerability CVE-2019-6477

Security Advisory Description With pipelining enabled each incoming query on a TCP connection requires a similar resource allocation to a query received via UDP or via TCP without pipelining enabled. A client using a TCP-pipelined connection to a server could consume more resources than the serve...

K06747393: TMM vulnerability CVE-2019-6677

Security Advisory Description Under certain conditions, when using custom TCP congestion control settings in a TCP profile, TMM stops processing traffic when processed by an iRule. CVE-2019-6677 Impact The Traffic Management Microkernel TMM may generate a core file and restart, causing a traffic...

K77215791: Linux kernel vulnerability CVE-2017-7277

Security Advisory Description The TCP stack in the Linux kernel through 4.10.6 mishandles the SCMTIMESTAMPINGOPTSTATS feature, which allows local users to obtain sensitive information from the kernels internal socket data structures or cause a denial of service out-of-bounds read via crafted syst...