Re: What is affected by FreeBSD-SA-07:08.openssl ?

2007-10-04 Thread Daniel Bye
On Thu, Oct 04, 2007 at 10:32:20AM -0400, Duane Winner wrote:
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> 
> Alexandre Biancalana wrote:
> > Hi list,
> > 
> > A quick:
> > 
> > $ grep -lr SSL_get_shared_ciphers /usr/src 2> /dev/null
> > /usr/src/crypto/openssl/apps/s_client.c
> > /usr/src/crypto/openssl/apps/s_server.c
> > /usr/src/crypto/openssl/doc/ssleay.txt
> > /usr/src/crypto/openssl/doc/ssl/ssl.pod
> > /usr/src/crypto/openssl/ssl/ssl.h
> > /usr/src/crypto/openssl/ssl/ssl_lib.c
> > /usr/src/crypto/openssl/util/ssleay.num
> > /usr/src/secure/lib/libssl/man/ssl.3
> > 
> > Doesn't revel much about what is affected by this bug Have someone made
> > some deeper analysis about what is affected ?
> 
> Related question:
> 
> Would any ports which may have been built based on openssl libraries
> (apache, stunnel, etc.) need to be rebuilt after this openssl patch?

I would think it would be sufficient just to restart any such ports, 
rather than completely rebuild them, to ensure that the updated version
of the OpenSSL libs are loaded, and not the old broken ones.

However, it can't do any harm to rebuild, if you're that worried about it.

I'm sure someone will put me right if that's not the case, though.

Dan

-- 
Daniel Bye
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Re: What is affected by FreeBSD-SA-07:08.openssl ?

2007-10-04 Thread Colin Percival
Alexandre Biancalana wrote:
> $ grep -lr SSL_get_shared_ciphers /usr/src 2> /dev/null
> /usr/src/crypto/openssl/apps/s_client.c
> /usr/src/crypto/openssl/apps/s_server.c
> /usr/src/crypto/openssl/doc/ssleay.txt
> /usr/src/crypto/openssl/doc/ssl/ssl.pod
> /usr/src/crypto/openssl/ssl/ssl.h
> /usr/src/crypto/openssl/ssl/ssl_lib.c
> /usr/src/crypto/openssl/util/ssleay.num
> /usr/src/secure/lib/libssl/man/ssl.3
> 
> Doesn't revel much about what is affected by this bug Have someone made
> some deeper analysis about what is affected ?

It doesn't look like anything in the base system uses this function, but I
just zgrepped my /usr/ports/distfiles and found that mysql uses this if it
is compiled with DBUG_OFF not defined.  Assuming that you keep all of your
ports distfiles, you can run
$ zgrep -R SSL_get_shared_ciphers /usr/ports/distfiles
and any applications which use said function will probably show up.

But as for a deep analysis -- not that I'm aware of.  We fixed this because
there might be an application which used this function in a way which made
this buffer overflow exploitable, not because we knew that such an application
existed.

Colin Percival
FreeBSD Security Officer
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Re: What is affected by FreeBSD-SA-07:08.openssl ?

2007-10-04 Thread Duane Winner
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Alexandre Biancalana wrote:
> Hi list,
> 
> A quick:
> 
> $ grep -lr SSL_get_shared_ciphers /usr/src 2> /dev/null
> /usr/src/crypto/openssl/apps/s_client.c
> /usr/src/crypto/openssl/apps/s_server.c
> /usr/src/crypto/openssl/doc/ssleay.txt
> /usr/src/crypto/openssl/doc/ssl/ssl.pod
> /usr/src/crypto/openssl/ssl/ssl.h
> /usr/src/crypto/openssl/ssl/ssl_lib.c
> /usr/src/crypto/openssl/util/ssleay.num
> /usr/src/secure/lib/libssl/man/ssl.3
> 
> Doesn't revel much about what is affected by this bug Have someone made
> some deeper analysis about what is affected ?

Related question:

Would any ports which may have been built based on openssl libraries
(apache, stunnel, etc.) need to be rebuilt after this openssl patch?

- -DW


> 
> Best Regards,
> 
> Alexandre Biancalana
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Re: What is affected by FreeBSD-SA-07:08.openssl ?

2007-10-04 Thread Heiko Wundram (Beenic)
Am Donnerstag 04 Oktober 2007 15:53:28 schrieb Alexandre Biancalana:
> 
> Doesn't revel much about what is affected by this bug Have someone made
> some deeper analysis about what is affected ?

Apache (i.e. mod_ssl) is affected by this. That's what makes the patch 
important.

-- 
Heiko Wundram
Product & Application Development
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What is affected by FreeBSD-SA-07:08.openssl ?

2007-10-04 Thread Alexandre Biancalana
Hi list,

A quick:

$ grep -lr SSL_get_shared_ciphers /usr/src 2> /dev/null
/usr/src/crypto/openssl/apps/s_client.c
/usr/src/crypto/openssl/apps/s_server.c
/usr/src/crypto/openssl/doc/ssleay.txt
/usr/src/crypto/openssl/doc/ssl/ssl.pod
/usr/src/crypto/openssl/ssl/ssl.h
/usr/src/crypto/openssl/ssl/ssl_lib.c
/usr/src/crypto/openssl/util/ssleay.num
/usr/src/secure/lib/libssl/man/ssl.3

Doesn't revel much about what is affected by this bug Have someone made
some deeper analysis about what is affected ?

Best Regards,

Alexandre Biancalana
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