Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

[BSA-116] Security Update for openvpn

Bernhard Schmidt uploaded new packages for openvpn which fixed the following security problems: 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...

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...

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...

Design/Logic Flaw

In lib/conntrack.c in the firewall implementation in Open vSwitch OvS 2.6.1, there is a buffer over-read while parsing malformed TCP, UDP, and IPv6 packets in the functions extractl3ipv6, extractl4tcp, and extractl4udp that can be triggered remotely...

Cisco IOS XE ANI IPv6 Packets DoS (cisco-sa-20170320-aniipv6)

According to its self-reported version, the Cisco IOS XE software running on the remote device is affected by a denial of service vulnerability in the Autonomic Networking Infrastructure ANI component due to incomplete input validation of certain crafted IPv6 packets. An unauthenticated, remote...

CVE-2017-3792: Improper Input Validation

A vulnerability in a proprietary device driver in the kernel of Cisco TelePresence Multipoint Control Unit MCU Software could allow an unauthenticated, remote attacker to execute arbitrary code or cause a denial of service DoS condition. The vulnerability is due to improper size validation when...

DEBIAN-CVE-2016-9919

The icmp6send function in net/ipv6/icmp.c in the Linux kernel through 4.8.12 omits a certain check of the dst data structure, which allows remote attackers to cause a denial of service panic via a fragmented IPv6 packet...

Vulnerability of Cisco IOS software, which allows a malicious actor to trigger a service failure

The vulnerability in Cisco IOS and IOS XE allows malicious actors operating remotely to trigger a service failure by using improperly crafted IPv6 packets. This causes excessive memory consumption for input/output operations and triggers a device restart...

PT-2016-3299

Name of the Vulnerable Software and Affected Versions Cisco IOS XE versions 2.1 through 3.17S Cisco IOS XR versions 2.0.0 through 5.3.2 Cisco NX-OS affected versions not specified Description The vulnerability is due to insufficient processing logic for crafted IPv6 packets that are sent to an...

CVE-2016-1346: Undefined Security Weakness

The kernel in Cisco TelePresence Server 3.0 through 4.24.18 on Mobility Services Engine MSE 8710 devices allows remote attackers to cause a denial of service panic and reboot via a crafted sequence of IPv6 packets, aka Bug ID CSCuu46673...

PT-2016-1628

Name of the Vulnerable Software and Affected Versions Cisco TelePresence Server versions 3.0 through 4.24.18 Description The issue is related to resource management errors in the kernel, allowing remote attackers to cause a denial of service by sending a crafted sequence of IPv6 packets. This can...

ip-https-discover NSE Script

Checks if the IP over HTTPS IP-HTTPS Tunneling Protocol 1 is supported. IP-HTTPS sends Teredo related IPv6 packets over an IPv4-based HTTPS session. This indicates that Microsoft DirectAccess 2, which allows remote clients to access intranet resources on a domain basis, is supported. Windows...

Design/Logic Flaw

Juniper Junos OS before 11.4R12-S4, 12.1X44 before 12.1X44-D41, 12.1X46 before 12.1X46-D26, 12.1X47 before 12.1X47-D11/D15, 12.2 before 12.2R9, 12.2X50 before 12.2X50-D70, 12.3 before 12.3R8, 12.3X48 before 12.3X48-D10, 12.3X50 before 12.3X50-D42, 13.1 before 13.1R4-S3, 13.1X49 before 13.1X49-D42...

CVE-2014-6450

Juniper Junos OS before 11.4R12-S4, 12.1X44 before 12.1X44-D41, 12.1X46 before 12.1X46-D26, 12.1X47 before 12.1X47-D11/D15, 12.2 before 12.2R9, 12.2X50 before 12.2X50-D70, 12.3 before 12.3R8, 12.3X48 before 12.3X48-D10, 12.3X50 before 12.3X50-D42, 13.1 before 13.1R4-S3, 13.1X49 before 13.1X49-D42...

Code injection

The Internet Access Point Protocol IAPP module on Cisco Wireless LAN Controller WLC devices with software 8.1104.37 allows remote attackers to trigger incorrect traffic forwarding via crafted IPv6 packets, aka Bug ID CSCuv40033...

PT-2015-3190

Name of the Vulnerable Software and Affected Versions Cisco Wireless LAN Controller version 8.1104.37 Description The issue concerns the Internet Access Point Protocol IAPP module, which allows remote attackers to trigger incorrect traffic forwarding via crafted IPv6 packets. This is due to...

CVE-2015-6258: Improper Input Validation

The Internet Access Point Protocol IAPP module on Cisco Wireless LAN Controller WLC devices with software 8.1104.37 allows remote attackers to trigger incorrect traffic forwarding via crafted IPv6 packets, aka Bug ID CSCuv40033...

Cisco Wireless LAN Controller IPv6 Packet Processing Denial of Service Vulnerability

The Cisco WLC is responsible for system-wide wireless LAN functions such as security policy, intrusion protection, RF management, quality of service, and mobility. The Cisco Wireless LAN Controller WLC device does not properly handle anomalies generated when forwarding IPv6 packets, which is a...

Code injection

Cisco Wireless LAN Controller WLC devices with software 7.5102.0 and 7.61.62 allow remote attackers to cause a denial of service device crash by triggering an exception during attempted forwarding of unspecified IPv6 packets to a non-IPv6 device, aka Bug ID CSCuj01046...