Subject Re: [firebird-support] firebird & nessus
Author Alex Hasman
--------------------------------------------
On Mon, 7/13/15, Mark Rotteveel mark@... [firebird-support] <firebird-support@yahoogroups.com> wrote:


Subject: Re: [firebird-support] firebird & nessus
To: firebird-support@yahoogroups.com
Date: Monday, July 13, 2015, 6:38 AM


 




i have a problem in convrting the adobe files to other type such as word , i tried via online but i failed too, how can i get started to convert please.




On Mon, 13 Jul 2015 13:56:04 +0100, "Nick
Upson nu@...

[firebird-support]"
<firebird-support@yahoogroups.com> wrote:

> Hi

>

> firebird 2.1 centos, I have systems in a company who
are scanning with

> nessus and this causes the firebird log below. Although
they do not have

> access to the database I'm concerned what is
happening. Has anyone seen

> this before? Can I avoid it?

>

>

> gaxgpap345vu Sun Jul 12 17:27:11 2015

> INET/inet_error: read errno = 104

>

>

> gaxgpap345vu Sun Jul 12 17:27:14 2015

> *** DUMP ***

>

>

> gaxgpap345vu Sun Jul 12 17:27:14 2015

> Tag=-1 Offset=13 Length=26 Eof=0

>

>

>

> gaxgpap345vu Sun Jul 12 17:27:14 2015

> Clump 1 at offset 0: SCAN CHECK<04>

>

>

> gaxgpap345vu Sun Jul 12 17:27:14 2015

> Fatal exception during clumplet dump: Invalid
clumplet buffer

> structure: buffer end before end of clumplet - clumplet
too long

>

>

> gaxgpap345vu Sun Jul 12 17:27:14 2015

> Plain dump starting with offset 13:
<0a>nessusscan<06><00>



Whether you should be worried depends on your Firebird
version. There are

some vulnerabilities that can crash the server in some
versions of Firebird

even when not authenticate (I don't recall if there are
exploits that can

get data unauthenticated). These known vulnerabilities is
what Nessus scans

for.



To authenticate with the server, the client first needs to
communicate

with the server. If this handshake is not programmed
correctly, then it

could be vulnerable to crashing the server (or worse), and
that has

happened in the past. Firebird logs that it received
information that it

didn't grok and that is a good thing!



Mark











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