Security Bulletin: IBM Security Access Manager appliances are affected by multiple Network Time Protocol (NTP) vulnerabilities

Summary IBM Security Access Manager has addressed the following vulnerabilities that have been identified in Network Time Protocol NTP. Vulnerability Details CVEID: CVE-2016-7426 DESCRIPTION: NTP is vulnerable to a denial of service, caused by the improper handling of invalid server responses. By...

memcached: UDP server support allows spoofed traffic amplification DoS

It was discovered that the memcached connections using UDP transport protocol can be abused for efficient traffic amplification distributed denial of service DDoS attacks. A remote attacker could send a malicious UDP request using a spoofed source IP address of a target system to memcached, causi...

Google Android has an unspecified vulnerability (CNVD-2018-09777)

Android is a Linux-based open-source operating system jointly developed by Google and the Open Handheld Alliance OHA for short, and Qualcomm MDM9206 and other central processing unit CPU products from Qualcomm are used in different platforms. A security vulnerability exists in the Qualcomm...

Stalker CommuniGate Pro Label Validation Vulnerability

Stalker CommuniGate Pro CGP is a comprehensive mail transfer agent MTA developed by Stalker Software, Inc. that supports multiple platforms. A security vulnerability in the implementation of the 'XML Interface to Messaging, Scheduling, and Signaling' XIMSS protocol in Stalker CGP version 6.2 stem...

FreeBSD : asterisk -- RTP/RTCP information leak (c2ea3b31-9d75-11e7-bb13-001999f8d30b)

The Asterisk project reports : This is a follow up advisory to AST-2017-005. Insufficient RTCP packet validation could allow reading stale buffer contents and when combined with the 'nat' and 'symmetricrtp' options allow redirecting where Asterisk sends the next RTCP report. The RTP stream...

asterisk -- RTP/RTCP information leak

The Asterisk project reports: This is a follow up advisory to AST-2017-005. Insufficient RTCP packet validation could allow reading stale buffer contents and when combined with the "nat" and "symmetricrtp" options allow redirecting where Asterisk sends the next RTCP report. The RTP stream...

CVE-2017-7533

creationtimestamp| type| source ---|---|--- 2017-08-05 19:05:04+00:00| published-proof-of-concept| https://t.me/SysadminNotes/327...

BackBox Linux Denial of Service Vulnerability

BackBox is a Linux distribution based on Ubuntu, an operating system for network penetration testing and security assessment. A denial of service vulnerability exists in BackBox Linux version 4.6 that allows remote attackers to cause a denial of service ksoftirqd CPU consumption via a large numbe...

CVE-2016-7426

NTP before 4.2.8p9 rate limits responses received from the configured sources when rate limiting for all associations is enabled, which allows remote attackers to cause a denial of service prevent responses from the sources by sending responses with a spoofed source address...

Authentication flaw

An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if...

CVE-2016-1547

An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if...

MGASA-2016-0414 Updated ntp packages fix security vulnerabilities

When ntpd is configured with rate limiting for all associations restrict default limited in ntp.conf, the limits are applied also to responses received from its configured sources. An attacker who knows the sources e.g., from an IPv4 refid in server response and knows the system is misconfigured ...

Updated ntp packages fix security vulnerabilities

When ntpd is configured with rate limiting for all associations restrict default limited in ntp.conf, the limits are applied also to responses received from its configured sources. An attacker who knows the sources e.g., from an IPv4 refid in server response and knows the system is misconfigured ...

Bind 9 DNS Server - Denial of Service Exploit

Exploit for multiple platform in category dos / poc import socket import struct TARGET = '192.168.200.10', 53 QA = 1 QTSIG = 250 DNSMESSAGEHEADERLEN = 12 def buildbindnukequestion="\x06google\x03com\x00", udpsize=512: queryA = "\x8f\x65\x00\x00\x00\x01\x00\x00\x00\x00\x00\x01" + question + int16Q...

CVE-2015-8914

The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended ICMPv6-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a link-local source address...

CVE-2015-8914

The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended ICMPv6-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a link-local source address...

OpenStack Neutron ICMPv6 Source Address Spoofing Vulnerability

OpenStack is a cloud platform management program developed by the National Aeronautics and Space Administration NASA in collaboration with Rackspace, Inc. in the U.S. Neutron is one of the networking components that provides Network-as-a-Service NaaS, which enables the creating networks between...

Network Time Protocol Crypto-NAK Preemptible Association Denial of Service Vulnerability

SUMMARY An off-path attacker can cause a preemptible client association to be demobilized by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled. Furthermore, if the attacker keeps sending cryp...

Someone Just Tried to Take Down Internet's Backbone with 5 Million Queries/Sec

Someone just DDoSed one of the most critical organs of the Internet anatomy – The Internet's DNS Root Servers. Early last week, a flood of as many as 5 Million queries per second hit many of the Internet's DNS Domain Name System Root Servers that act as the authoritative reference for mapping...

Internet Root Name Servers DDoS Attack

An unusual DDoS amplification attack was carried out 10 days ago against many of the Internet’s 13 root name servers, the authoritative servers used to resolve IP addresses. The attacks happened on Nov. 30 and again on Dec. 1, and each time, massive volumes of traffic, peaking at five million...