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SILC Server Invalid hmac/cipher Denial of Service
Secunia Advisory: SA24431
Release Date: 2007-03-07
Last Update: 2007-03-14
Popularity: 4,328 views

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

Software:SILC Secure Internet Live Conferencing Server 1.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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

Description:
Frank Benkstein has reported a vulnerability in SILC Server, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to a NULL-pointer dereference error within apps/silcd/command.c. This can be exploited to crash the service by connecting to the server, joining or creating a channel, and then specifying invalid hmac or cipher values.

The vulnerability is reported in version 1.02. Prior versions may also be affected.

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



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