JRE & JDK <1.4.1_02 vulnerable?

2003-05-02 Thread Drew Scott Daniels
http://www.securityfocus.com/bid/7109 says Sun's JRE and Java SDKs versions less than 1.4.1_02 are vulnerable as well as IBM's JDK. The BID seems to indicate the vulnerability is in java.util.zip I'm not sure which versions of Java JRE's and SDKs are in Debian, but it seems to me that in Contrib

Re: mgetty vulnerable

2003-05-02 Thread Drew Scott Daniels
On Fri, 2 May 2003, Wolfgang Sourdeau wrote: > I am not subscribed to debian-security, so please include me in your Cc: > for this discussion. > Likewise. > I have noticed a "fax" user was expected in mgetty-1.1.30 (never played > with 1.1.29). The problem I have with that is that this user is req

Re: MAC-based ssh

2003-05-02 Thread Bastian Blank
On Fri, May 02, 2003 at 12:26:04PM +0200, Hans van Leeuwen wrote: > My company has created an application that allows remote users to edit > their DNS-records. This app needs to restart bind on the remote nameservers. bind never needs to be restarted, use rndc or dns updates with key. bastian -

Security Audit tools

2003-05-02 Thread Drew Scott Daniels
http://serg.cs.drexel.edu/phpnuke/html/modules.php?name=Project&pa=showproject&pid=1 lists Bunch which is an interesting tool to show modularity. I haven't yet tried it. Also on this site they link to CoSAK which is an interesting newer security audit tool set. Has anyone tried these tools?

Re: MAC-based ssh

2003-05-02 Thread Peter Ondraska
On Fri, 2 May 2003, Phillip Hofmeister wrote: > On Fri, 02 May 2003 at 12:26:04PM +0200, Hans van Leeuwen wrote: > > I have decided to do this thrue SSH by putting the client key in > > authorized_keys2. But this seems a little risky, so I was wondering if > > it was possible to get sshd to on

Re: MAC-based ssh

2003-05-02 Thread Phillip Hofmeister
On Fri, 02 May 2003 at 12:26:04PM +0200, Hans van Leeuwen wrote: > I have decided to do this thrue SSH by putting the client key in > authorized_keys2. But this seems a little risky, so I was wondering if > it was possible to get sshd to only allow the client MAC-address. SSHD cannot do what you

Re: [despammed] Re: Secure remote syslogging?

2003-05-02 Thread Rob Sims
On Thursday 01 May 2003 09:24 am, Adam Lydick wrote: > Alternatives: (the traditional line printer was already mentioned), any > sort of write-only media will do the trick (eg: CD-RW). You might have > to flush batches of log entries to the CD for it to work. I'm not sure > what min packet size on

Re: sendmail + mailscanner

2003-05-02 Thread Tibor Répási
Hy, please consider that amavis and mailscanner are completly different mail scanners. AFAIK: There is no standard debian package containing amavis for sendmail, only for postfix. The error messages in Your log are generated, by mailscanner. I would say that Your mailscanner expects an other ver

Re: MAC-based ssh

2003-05-02 Thread Hans van Leeuwen
Oliver Hitz wrote: It is also possible to further restrict this connection. Something like command="/etc/init.d/bind restart",from="..." ssh-rsa ... This does the job. Only I execute 'bind restart' thrue a small C-program with a suid-bit. Thanks for the help everybody! Hans

Re: mgetty vulnerable

2003-05-02 Thread Wolfgang Sourdeau
Hi, I am not subscribed to debian-security, so please include me in your Cc: for this discussion. I have noticed a "fax" user was expected in mgetty-1.1.30 (never played with 1.1.29). The problem I have with that is that this user is required at build time (during the make install phase). Anoth

Re: MAC-based ssh

2003-05-02 Thread Thomas Krennwallner
On Fri May 02, 2003 at 02:34:17PM +0200, Oliver Hitz wrote: > On 02 May 2003, Hans van Leeuwen wrote: > > I have decided to do this thrue SSH by putting the client key in > > authorized_keys2. But this seems a little risky, so I was wondering if > > it was possible to get sshd to only allow the c

Re: Woody security updates

2003-05-02 Thread Uwe Zeisberger
> If the jigdo system was updated once a month (at least), we would be able to > do most upgrade using CDs, which will be greatly appreciated in developping > countries (I'm in Vietnam) since the Internet access is still expensive for > individuals. It exists a possibility to use apt "offline". Yo

Re: sendmail + mailscanner

2003-05-02 Thread Matteo Vescovi
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Monday 14 April 2003 21:31, Répási Tibor wrote: > Hy, > > just follow the steps described in /usr/share/sendmail/examples/amavis > download the lates sources and it works. I've installed it a few weeks > ago and it is running well. I'm using it with

Re: MAC-based ssh

2003-05-02 Thread Oliver Hitz
On 02 May 2003, Hans van Leeuwen wrote: > I have decided to do this thrue SSH by putting the client key in > authorized_keys2. But this seems a little risky, so I was wondering if > it was possible to get sshd to only allow the client MAC-address. If these remote users always connect from the sa

Re: MAC-based ssh

2003-05-02 Thread Hans van Leeuwen
Danny De Cock wrote: hi, using mac addresses for client authentication seems to me as an extremely risky business as a mac address can easily be copied/cloned/spoofed... imho, it does not offer any authentication at all... I understand that MAC-adresses can be spoofed, but I thought I would

Re: MAC-based ssh

2003-05-02 Thread Hans van Leeuwen
Kay-Michael Voit wrote: did you consider just to blockother mac-addresses through iptables? Yes, but the MAC should just be checked for one specific user. but... i don't know, what you are doing there, but are you sure you want to grant every user ssh acces No, just one user with limited ri

Re[2]: MAC-based ssh

2003-05-02 Thread Kay-Michael Voit
DDC> using mac addresses for client authentication seems to me as an extremely DDC> risky business as a mac address can easily be copied/cloned/spoofed... DDC> imho, it does not offer any authentication at all... i under stood it as additional security to certificates or passwords (more like secu

Re: MAC-based ssh

2003-05-02 Thread Achim Friedland
Hello, are you really sure, that your dns server and all customers are located in the same ip subnet? Authentication via the mac address of your internet router does not seem to be very secure idea... ;) achim -- Demokratie beruht auf drei Prinzipien: auf der Freiheit des Gewissens, auf der Fre

Re: MAC-based ssh

2003-05-02 Thread Espen Wiborg
Hans van Leeuwen <[EMAIL PROTECTED]> writes: > My company has created an application that allows remote users to > edit their DNS-records. This app needs to restart bind on the remote > nameservers. I think this is the wrong solution. A better idea is a cron job on the nameserver periodically rel

Re: MAC-based ssh

2003-05-02 Thread Kay-Michael Voit
did you consider just to blockother mac-addresses through iptables? but... i don't know, what you are doing there, but are you sure you want to grant every user ssh access? i assume you need to be root for this? how are you going to solve it over ssh? and how do you prevent users from just shuttin

Re: MAC-based ssh

2003-05-02 Thread Danny De Cock
hi, using mac addresses for client authentication seems to me as an extremely risky business as a mac address can easily be copied/cloned/spoofed... imho, it does not offer any authentication at all... g. On Fri, 2 May 2003, Hans van Leeuwen wrote: > Hello, > > My company has created an applica

MAC-based ssh

2003-05-02 Thread Hans van Leeuwen
Hello, My company has created an application that allows remote users to edit their DNS-records. This app needs to restart bind on the remote nameservers. I have decided to do this thrue SSH by putting the client key in authorized_keys2. But this seems a little risky, so I was wondering if i

Re: mgetty vulnerable?

2003-05-02 Thread Andreas Barth
* Drew Scott Daniels ([EMAIL PROTECTED]) [030502 01:20]: > [...] There is as far as I can see (only) one important security enhancement in the newer mgettys, and this is running the fax-out-scripts not as root. There is no proof that the old mgettys are vulnerable, but it's never a good idea to ru

Re: Woody security updates

2003-05-02 Thread Jean Christophe ANDRÉ
Hi .*, > Matthias Faulstich <[EMAIL PROTECTED]> wrote: > > Does this jigdo - file load the latest security updates or are there any > > other > > places to download / create CD-Images? Paul Hink écrivait : > AFAIK no. I think you'll have to apt-get update && apt-get upgrade > immediatel