TCP序列号漏洞-安全小百科

TCP序列号漏洞

漏洞ID	1105555	漏洞类型	未知
发布时间	1999-09-27	更新时间	2005-05-02
CVE编号	CVE-1999-0077	CNNVD-ID	CNNVD-199501-001
漏洞平台	Linux	CVSS评分	5.0

|漏洞来源

https://www.exploit-db.com/exploits/19522
http://www.cnnvd.org.cn/web/xxk/ldxqById.tag?CNNVD=CNNVD-199501-001

|漏洞详情

可预测的TCP序列号允许欺骗。

|漏洞EXP

source: http://www.securityfocus.com/bid/670/info

A vulnerability in the Linux kernel allows remote users to guess the initial sequence number of TCP sessions. This can be used to create spoofed TCP sessions bypassing some types of IP based access controls.

The function 'secure_tcp_sequence_number' in the file 'drivers/char/random.c' at line 1684 is used to generate the initial sequence number. It used the MD4 hash with a set of inputs to generate the new ISN. 

https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/bin-sploits/19522.tar.gz

|参考资料

来源:XF
名称:tcp-seq-predict(139)
链接:http://xforce.iss.net/static/139.php

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