Debian DSA-3900-1 : openvpn - security update

Several issues were discovered in openvpn, a virtual private network application. - CVE-2017-7479 It was discovered that openvpn did not properly handle the rollover of packet identifiers. This would allow an authenticated remote attacker to cause a denial-of-service via application crash. -...

[SECURITY] [DSA 3900-1] openvpn security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3900-1 [email protected] https://www.debian.org/security/ Sebastien Delafond June 27, 2017 https://www.debian.org/security/faq -...

CVE-2017-7508

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet...

Denial of service

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet...

CVE-2017-7508

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet...

CVE-2017-7508

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet...

CVE-2017-7508

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet...

CVE-2017-7508

CVE-2017-7508 affects OpenVPN versions prior to 2.4.3 and prior to 2.3.17, enabling a remote attacker to cause a denial-of-service by sending malformed IPv6 packets. The root cause is improper handling of specific malformed IPv6 packets, leading to application crash under remote attack conditions...

Important: openvpn

Issue Overview: OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet. CVE-2017-7508 OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a...

Debian Security Advisory DSA 3900-1 (openvpn - security update)

Several issues were discovered in openvpn, a virtual private network application. CVE-2017-7479 It was discovered that openvpn did not properly handle the rollover of packet identifiers. This would allow an authenticated remote attacker to cause a denial-of-service via application crash...

Security update for the Linux Kernel (important)

The openSUSE Leap 42.2 kernel was updated to 4.4.73 to receive security and bugfixes. The following security bugs were fixed: - CVE-2017-1000364: An issue was discovered in the size of the stack guard page on Linux, specifically a 4k stack guard page is not sufficiently large and can be "jumped"...

Security update for openvpn (important)

This update for openvpn fixes the following issues: - Some parts of the certificate-parsing code did not always clear all allocated memory. This would have allowed clients to leak a few bytes of memory for each connection attempt, thereby facilitating a quite inefficient DoS attack on the server...

openSUSE: Security Advisory for openvpn (openSUSE-SU-2017:1680-1)

The remote host is missing an update for the Copyright C 2017 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...

CVE-2017-7508

OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service when receiving malformed IPv6 packet...

Ubuntu 14.04 LTS / 16.04 LTS : OpenVPN vulnerabilities (USN-3339-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3339-1 advisory. Karthikeyan Bhargavan and Gatan Leurent discovered that 64-bit block ciphers are vulnerable to a birthday attack. A remote attacker could...

Hiding SSH Servers Behind HTTP: sshttp

Hiding SSH Servers Behind HTTP In case your FW policy forbids SSH access to the DMZ or internal network from outside, but you still want to use ssh on machines which only have one open port, e.g. HTTP , you can use sshttpd . sshttpd can multiplex the following protocol pairs: SSH/HTTP SSH/HTTPS...

USN-3339-1: OpenVPN vulnerabilities

Karthikeyan Bhargavan and Gaëtan Leurent discovered that 64-bit block ciphers are vulnerable to a birthday attack. A remote attacker could possibly use this issue to recover cleartext data. Fixing this issue requires a configuration change to switch to a different cipher. This update adds a warni...

USN-3339-1 openvpn vulnerabilities

Karthikeyan Bhargavan and Gaëtan Leurent discovered that 64-bit block ciphers are vulnerable to a birthday attack. A remote attacker could possibly use this issue to recover cleartext data. Fixing this issue requires a configuration change to switch to a different cipher. This update adds a warni...

SUSE SLED12 / SLES12 Security Update : openvpn (SUSE-SU-2017:1635-1)

This update for openvpn fixes the following issues : - Some parts of the certificate-parsing code did not always clear all allocated memory. This would have allowed clients to leak a few bytes of memory for each connection attempt, thereby facilitating a quite inefficient DoS attack on the server...

SUSE SLES11 Security Update : openvpn (SUSE-SU-2017:1642-1)

This update for openvpn fixes the following issues : - It was possible to trigger an assertion by sending a malformed IPv6 packet. That issue could have been abused to remotely shutdown an openvpn server or client, if IPv6 and --mssfix were enabled and if the IPv6 networks used inside the VPN wer...