MikroTik RouterOS 'L2TP' Man-in-the-Middle Attack Vulnerability (Feb 2017)

MikroTik RouterOS is prone to a man in the middle attack vulnerability. SPDX-FileCopyrightText: 2017 Greenbone AG 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-only CPE =...

CVE-2016-10200

Race condition in the L2TPv3 IP Encapsulation feature in the Linux kernel before 4.8.14 allows local users to gain privileges or cause a denial of service use-after-free by making multiple bind system calls without properly ascertaining whether a socket has the SOCKZAPPED status, related to...

Code injection

The L2TP Client in MikroTik RouterOS versions 6.83.3 and 6.37.4 does not enable IPsec encryption after a reboot, which allows man-in-the-middle attackers to view transmitted data unencrypted and gain access to networks on the L2TP server by monitoring the packets for the transmitted data and...

CVE-2017-6297

The L2TP Client in MikroTik RouterOS versions 6.83.3 and 6.37.4 does not enable IPsec encryption after a reboot, which allows man-in-the-middle attackers to view transmitted data unencrypted and gain access to networks on the L2TP server by monitoring the packets for the transmitted data and...

CVE-2017-6297

The L2TP Client in MikroTik RouterOS versions 6.83.3 and 6.37.4 does not enable IPsec encryption after a reboot, which allows man-in-the-middle attackers to view transmitted data unencrypted and gain access to networks on the L2TP server by monitoring the packets for the transmitted data and...

CVE-2017-6297

The CVE-2017-6297 entry concerns MikroTik RouterOS L2TP Client in versions 6.83.3 and 6.37.4. The vulnerability arises because IPsec encryption is not enabled after a reboot, enabling man-in-the-middle attackers to view unencrypted data and potentially access networks on the L2TP server by monito...

High Performance DoS Analyzer: FastNetMon

High Performance DoS Analyzer FastNetMon – A high performance DoS/DDoS load analyzer built on top of multiple packet capture engines NetFlow, IPFIX, sFLOW, SnabbSwitch, netmap, PFRING, PCAP. What can we do? We can detect hosts in our networks sending or receiving large volumes of...

The vulnerability of the Linux operating system allows a malicious individual to gain access to confidential information from the kernel’s stack memory.

A vulnerability exists in the l2tpip6getname function in the Linux kernel’s net/l2tp/l2tpip6.c file, due to incorrect return values under certain circumstances. Exploiting this vulnerability allows local users to access confidential information from the kernel’s stack memory, using a specially...

Fedora Update for NetworkManager-l2tp FEDORA-2016-7

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 Greenbone AG 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-only ifdescription...

[SECURITY] Fedora 24 Update: NetworkManager-l2tp-1.2.0-1.fc24

This package contains software for integrating L2TP VPN support with the NetworkManager and the GNOME desktop...

Linux io_submit L2TP sendmsg - Integer Overflow

Exploit for linux platform in category dos / poc / Source: https://code.google.com/p/google-security-research/issues/detail?id=735 In certain kernel versions it is possible to use the AIO subsystem iosubmit syscall to pass size values larger than MAXRWCOUNT to the networking subsystem's sendmsg...

Linux Kernel - io_submit L2TP sendmsg Integer Overflow

Linux Kernel - iosubmit L2TP sendmsg Integer Overflow / Source: https://code.google.com/p/google-security-research/issues/detail?id=735 In certain kernel versions it is possible to use the AIO subsystem iosubmit syscall to pass size values larger than MAXRWCOUNT to the networking subsystem's...

Linux Kernel - io_submit L2TP sendmsg Integer Overflow

/ Source: https://code.google.com/p/google-security-research/issues/detail?id=735 In certain kernel versions it is possible to use the AIO subsystem iosubmit syscall to pass size values larger than MAXRWCOUNT to the networking subsystem's sendmsg implementation. In the L2TP PPP sendmsg...

Juniper ScreenOS < 6.3.0r20 L2TP DoS (JSA10704)

The remote host is running a version of Juniper ScreenOS prior to 6.3.0r20. It is, therefore, affected by a denial of service vulnerability related to the handling of L2TP packets. An unauthenticated, remote attacker can exploit this, via specially crafted L2TP packet, to cause the system to...

CVE-2015-7750

The L2TP packet processing functionality in Juniper Netscreen and ScreenOS Firewall products with ScreenOS before 6.3.0r13-dnd1, 6.3.0r14 through 6.3.0r18 before 6.3.0r18-dnc1, and 6.3.0r19 allows remote attackers to cause a denial of service via a crafted L2TP packet...

Design/Logic Flaw

The L2TP packet processing functionality in Juniper Netscreen and ScreenOS Firewall products with ScreenOS before 6.3.0r13-dnd1, 6.3.0r14 through 6.3.0r18 before 6.3.0r18-dnc1, and 6.3.0r19 allows remote attackers to cause a denial of service via a crafted L2TP packet...

CVE-2015-7750

The L2TP packet processing functionality in Juniper Netscreen and ScreenOS Firewall products with ScreenOS before 6.3.0r13-dnd1, 6.3.0r14 through 6.3.0r18 before 6.3.0r18-dnc1, and 6.3.0r19 allows remote attackers to cause a denial of service via a crafted L2TP packet...

Oracle: Security Advisory (ELSA-2014-3047)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 Greenbone AG 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-only ifdescription...

Command injection

Cisco IOS XE before 2.2.3 on ASR 1000 devices allows remote attackers to cause a denial of service Embedded Services Processor crash via a crafted L2TP packet, aka Bug IDs CSCsw95722 and CSCsw95496...

CVE-2015-6267

Cisco IOS XE before 2.2.3 on ASR 1000 devices allows remote attackers to cause a denial of service Embedded Services Processor crash via a crafted L2TP packet, aka Bug IDs CSCsw95722 and CSCsw95496...