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PuTTY Two Integer Overflow Vulnerabilities
Secunia Advisory: SA14333
Release Date: 2005-02-21
Last Update: 2005-02-22
Popularity: 26,990 views

Critical:
Moderately critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

Software:PuTTY 0.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Gaël Delalleau has reported two vulnerabilities in PuTTY, which can be exploited by malicious people to compromise a user's system.

1) An integer overflow in the "fxp_readdir_recv()" function in "sftp.c" can be exploited to execute arbitrary code via a malicious SFTP (SSH File Transfer Protocol) server sending a specially crafted respond to the "FXP_READDIR" command.

2) An integer overflow in the "fxp_open_recv()" function in "sftp.c" can be exploited to execute arbitrary code via a malicious SFTP server sending a specially crafted string field.

NOTE: Successful exploitation is only possible after host key verification.

The vulnerabilities have been reported in versions prior to 0.57.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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