Published: 18/10/2001 Updated: 20/11/2024

Cisco switches and routers running CBOS 2.3.8 and previous versions use predictable TCP Initial Sequence Numbers (ISN), which allows remote malicious users to spoof or hijack TCP connections.

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source: wwwsecurityfocuscom/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/randomc' at line 1684 ...

NVD-CWE-Other https://nvd.nist.gov https://www.exploit-db.com/exploits/19522/https://www.first.org/epss http://www.cisco.com/warp/public/707/CBOS-multiple2-pub.html https://exchange.xforce.ibmcloud.com/vulnerabilities/139 http://www.cisco.com/warp/public/707/CBOS-multiple2-pub.html https://exchange.xforce.ibmcloud.com/vulnerabilities/139

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CVE-2001-0751

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