Introduction to DNS Data Exfiltration

Written by Asaf Nadler and Avi Aminov Spyware is a malicious software malware used to gather information about a person or organization without their consent. In a typical setting, a remote server, that acts as a command and control server C&C, waits for an incoming connection from the spyware th...

Spotlight on Malware DGA Communication Technique

Written by Avi Aminov and Or Katz Overview Imagine you are standing in the middle of a crowded train station and want to have a private conversation with an old friend. You've been waiting for the perfect time to contact him and get some advice on how to move forward with some important life...

bind security update

CentOS Errata and Security Advisory CESA-2017:1095 An update for bind is now available for Red Hat Enterprise Linux 7. 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...

How I was to dnsmasq using afl-fuzz almost save the Internet-vulnerability warning-the black bar safety net

If you know me, then you should know that I like DNS. Although I'm not totally sure this is exactly how it happened, but I doubt Ed Skoudis is the instigator. Anyway, if a project can be evaluated dnsmasq and some of the Internet infrastructure in the critical section, then this project is very...

DNS cache poisoning attack - Ver2 (CVE-1999-0024)

A cache poisoning vulnerability has been reported in the DNS protocol. Successful exploitation of this vulnerability would allow a remote attacker to execute DNS cache poisoning via BIND, by predictable query IDs...

SRTT Vulnerability in BIND Software Puts DNS Protocol Security At Risk

After the Heartbleed bug that exposed half of the Internet vulnerable to hackers thereby marking as one of the largest Internet vulnerability in recent history, the critical flaw in the implementation of the DNS protocol could also represent a serious menace to the Internet security. A Serious...

As Defenders Adapt, Offensive Techniques Continue to Evolve

MIAMI BEACH–The security teams that have to defend enterprise networks are faced with a broad and deep threat landscape populated with all manner of malware and targeted attacks. Those teams often have to react quickly to new threats, well before vendors respond with new technologies. By the look...

ISC BIND 9 'libdns' 远程拒绝服务漏洞(CVE-2013-2266)

Bugtraq ID:58736 CVE ID:CVE-2013-2266 ISC BIND是一款DNS协议的实现 ISC BIND存在一个安全漏洞，允许远程攻击者利用漏洞发送特制的请求，使目标named服务在处理规则表达式时消耗大量内存，造成系统崩溃。 BIND 9.6.x和10.x不受此漏洞影响。此外此漏洞仅影响unix及相关的操作系统，基于windows的版本不受此漏洞影响。 0 ISC BIND 9.7.x, 9.8.0 - 9.8.5b1, 9.9.0 - 9.9.3b1 厂商解决方案 ISC BIND 9.8.4-P2, 9.9.2-P及更改版本已经修复此漏洞，建议用户下载更...

ISC BIND 9 DNS64 远程拒绝服务漏洞

BUGTRAQ ID: 57556 CVECAN ID: CVE-2012-5689 BIND是一个应用非常广泛的DNS协议的实现。 ISC BIND 9.8.x、9.9.x在某些配置中，DNS64的响应策略区域缺少AAAA重写规则，远程攻击者通过AAAA记录查询，可造成拒绝服务（断言失败并退出指定程序）。 0 ISC BIND 9.9.x ISC BIND 9.8.x 临时解决方法： 2013年1月24日厂商已经发布beta版本，修复了此漏洞。如果您不能立刻安装补丁或者升级，NSFOCUS建议您采取以下措施以降低威胁： 确保RPZ包含每个A重写规则的AAAA重写规则。 厂商补丁： IS...

AIX 6.1 TL 3 : bind (IZ56318)

AIX 'named' is an implementation of BIND Berkeley Internet Name Domain providing server functionality for the Domain Name System DNS Protocol. AIX currently ships and supports three versions of BIND: 4, 8, and 9. There is an error in the handling of dynamic update messages in BIND 9. A crafted...

AIX 6.1 TL 1 : bind (IZ56316)

AIX 'named' is an implementation of BIND Berkeley Internet Name Domain providing server functionality for the Domain Name System DNS Protocol. AIX currently ships and supports three versions of BIND: 4, 8, and 9. There is an error in the handling of dynamic update messages in BIND 9. A crafted...

AIX 5.3 TL 9 : bind (IZ56313)

AIX 'named' is an implementation of BIND Berkeley Internet Name Domain providing server functionality for the Domain Name System DNS Protocol. AIX currently ships and supports three versions of BIND: 4, 8, and 9. There is an error in the handling of dynamic update messages in BIND 9. A crafted...

AIX 5.3 TL 10 : bind (IZ56314)

AIX 'named' is an implementation of BIND Berkeley Internet Name Domain providing server functionality for the Domain Name System DNS Protocol. AIX currently ships and supports three versions of BIND: 4, 8, and 9. There is an error in the handling of dynamic update messages in BIND 9. A crafted...

AIX 5.3 TL 8 : bind (IZ56312)

AIX 'named' is an implementation of BIND Berkeley Internet Name Domain providing server functionality for the Domain Name System DNS Protocol. AIX currently ships and supports three versions of BIND: 4, 8, and 9. There is an error in the handling of dynamic update messages in BIND 9. A crafted...

CentOS Update for bind CESA-2012:1363 centos5

The remote host is missing an update for the SPDX-FileCopyrightText: 2012 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 scriptxrefname:"URL",...

Important: Red Hat Security Advisory: bind security update

Updated bind packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

CentOS Update for bind CESA-2012:1268 centos6

Check for the Version of bind OpenVAS Vulnerability Test CentOS Update for bind CESA-2012:1268 centos6 Authors: System Generated Check Copyright: Copyright c 2012 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the...

Scientific Linux Security Update : bind on SL 3.0.x , SL 4.x, SL 5.x

The DNS protocol protects against spoofing attacks by requiring an attacker to predict both the DNS transaction ID and UDP source port of a request. In recent years, a number of papers have found problems with DNS implementations which make it easier for an attacker to perform DNS cache-poisoning...

RedHat Update for bind RHSA-2012:0716-01

Check for the Version of bind OpenVAS Vulnerability Test RedHat Update for bind RHSA-2012:0716-01 Authors: System Generated Check Copyright: Copyright c 2012 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms o...

Debian: Security Advisory (DSA-2244-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2011 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...