From fe30e74637143309cd5c3aa434a7e36d0c2ca9be Mon Sep 17 00:00:00 2001 From: Cool-Y <1072916769@qq.com> Date: Sat, 23 Mar 2019 12:40:50 +0800 Subject: [PATCH] Site updated: 2019-03-23 12:40:40 --- 2000/01/01/hello-world/index.html | 4 +- .../BIBA访问控制模型实现(python)/index.html | 4 +- 2018/12/23/基于规则引擎发现IOT设备/index.html | 4 +- .../wifi半双工侧信道攻击学习笔记/index.html | 4 +- 2019/02/22/qq数据库的加密解密/index.html | 4 +- 2019/03/16/小米固件工具mkxqimage/index.html | 4 +- 2019/12/25/TCPDUMP拒绝服务攻击漏洞/index.html | 45 +- about/index.html | 4 +- archives/2000/01/index.html | 4 +- archives/2000/index.html | 4 +- archives/2018/11/index.html | 4 +- archives/2018/12/index.html | 4 +- archives/2018/index.html | 4 +- archives/2019/01/index.html | 4 +- archives/2019/02/index.html | 4 +- archives/2019/03/index.html | 4 +- archives/2019/12/index.html | 4 +- archives/2019/index.html | 4 +- archives/index.html | 4 +- categories/IOT/index.html | 4 +- categories/index.html | 8 +- categories/二进制漏洞/index.html | 1107 +++++++++++++++++ categories/加密解密/index.html | 4 +- categories/理论学习/index.html | 4 +- categories/顶会论文/index.html | 4 +- index.html | 26 +- search.xml | 236 ++-- sitemap.xml | 2 +- tags/QQ/index.html | 4 +- tags/SSH/index.html | 4 +- tags/TCPDUMP/index.html | 1106 ++++++++++++++++ tags/USENIX/index.html | 4 +- tags/index.html | 8 +- tags/python/index.html | 4 +- tags/wifi/index.html | 4 +- tags/侧信道攻击/index.html | 4 +- tags/密码/index.html | 4 +- tags/小米/index.html | 4 +- tags/拒绝服务攻击/index.html | 1106 ++++++++++++++++ tags/数据库/index.html | 4 +- tags/数据挖掘/index.html | 4 +- tags/文件格式/index.html | 4 +- tags/模型实现/index.html | 4 +- tags/自然语言处理/index.html | 4 +- tags/访问控制/index.html | 4 +- 45 files changed, 3536 insertions(+), 252 deletions(-) create mode 100644 categories/二进制漏洞/index.html create mode 100644 tags/TCPDUMP/index.html create mode 100644 tags/拒绝服务攻击/index.html diff --git a/2000/01/01/hello-world/index.html b/2000/01/01/hello-world/index.html index dd176d72..4c6cdbf4 100644 --- a/2000/01/01/hello-world/index.html +++ b/2000/01/01/hello-world/index.html @@ -559,7 +559,7 @@
@@ -570,7 +570,7 @@ diff --git a/2018/11/16/BIBA访问控制模型实现(python)/index.html b/2018/11/16/BIBA访问控制模型实现(python)/index.html index 09e3b31d..bed7acb3 100644 --- a/2018/11/16/BIBA访问控制模型实现(python)/index.html +++ b/2018/11/16/BIBA访问控制模型实现(python)/index.html @@ -731,7 +731,7 @@ @@ -742,7 +742,7 @@ diff --git a/2018/12/23/基于规则引擎发现IOT设备/index.html b/2018/12/23/基于规则引擎发现IOT设备/index.html index 09c8e62c..d9549d89 100644 --- a/2018/12/23/基于规则引擎发现IOT设备/index.html +++ b/2018/12/23/基于规则引擎发现IOT设备/index.html @@ -633,7 +633,7 @@ @@ -644,7 +644,7 @@ diff --git a/2019/01/16/wifi半双工侧信道攻击学习笔记/index.html b/2019/01/16/wifi半双工侧信道攻击学习笔记/index.html index 9d2a6763..33636fc2 100644 --- a/2019/01/16/wifi半双工侧信道攻击学习笔记/index.html +++ b/2019/01/16/wifi半双工侧信道攻击学习笔记/index.html @@ -760,7 +760,7 @@ Server -------wire----------| @@ -771,7 +771,7 @@ Server -------wire----------| diff --git a/2019/02/22/qq数据库的加密解密/index.html b/2019/02/22/qq数据库的加密解密/index.html index d32d8448..b52b7616 100644 --- a/2019/02/22/qq数据库的加密解密/index.html +++ b/2019/02/22/qq数据库的加密解密/index.html @@ -610,7 +610,7 @@ @@ -621,7 +621,7 @@ diff --git a/2019/03/16/小米固件工具mkxqimage/index.html b/2019/03/16/小米固件工具mkxqimage/index.html index f0679f69..9ed384f2 100644 --- a/2019/03/16/小米固件工具mkxqimage/index.html +++ b/2019/03/16/小米固件工具mkxqimage/index.html @@ -617,7 +617,7 @@ @@ -628,7 +628,7 @@ diff --git a/2019/12/25/TCPDUMP拒绝服务攻击漏洞/index.html b/2019/12/25/TCPDUMP拒绝服务攻击漏洞/index.html index 916668c2..cefe0759 100644 --- a/2019/12/25/TCPDUMP拒绝服务攻击漏洞/index.html +++ b/2019/12/25/TCPDUMP拒绝服务攻击漏洞/index.html @@ -68,7 +68,7 @@ - + @@ -80,13 +80,14 @@ + - + @@ -334,6 +335,28 @@ + + + + + 二进制漏洞 + + + + + + + + @@ -414,7 +437,11 @@ + + + + + + +Ubuntu 16.04.4 LTS i686
tcpdump 4.5.1
gdb with peda
这个漏洞触发的原因是,tcpdump在处理特殊的pcap包的时候,由于对数据包传输数据长度没有进行严格的控制,导致在连续读取数据包中内容超过一定长度后,会读取到无效的内存空间,从而导致拒绝服务的发生。对于这个漏洞,首先要对pcap包的结构进行一定的分析,才能够最后分析出漏洞的成因,下面对这个漏洞进行复现。
1 | 1. # apt-get install libpcap-dev |
1 | # Exploit Title: tcpdump 4.5.1 Access Violation Crash |