> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:amavis-user-
> [EMAIL PROTECTED] On Behalf Of Mark Martinec
> Sent: Wednesday, January 24, 2007 5:05 PM
> To: amavis-user@lists.sourceforge.net
> Subject: Re: [AMaViS-user] First public pre-release (-pre2)ofamavisd-new-
> 2.4.5
> 
> Leon,
> 
> > > Sometimes I wonder why we bother and keep writing
> > > software and preparing patches, especially with
> > > security-related stuff...
> >
> > You're right here.
> > The problem is that it takes so much long for OS maintainers
> > to release a new ver.
> > For Suse for example, the latest version available is
> > perl-Convert-UUlib-1.051-31 (even from opensuse factory).
> >
> > I'd prefer to grab newer .src.rpm and compile it on my system, but
> > unfortunately there is no 1.06 version for the OS I'm currently running
> > mail server on.
> 
> Well, it is easy for me to drop a requirement for 1.06
> and continue being happy with 1.05. The only reason for
> a requirement are security concerns. The uulib has a rather
> buggy history, but is quite useful for the duties it performs
> in decoding malformed messages.
> 
> The uulib was target for exploits in the past,
> the last one with known exploitable bugs is 1.04,
> which is why 1.05 used to be a minimal required version
> up to amavisd 2.4.4.
> 
> Looking at its change log, both the 1.05 and the 1.06 look like
> potential candidates for future attacks:
> 
> 1.08(1.07):
>   fixed an uninitialised variable ...
> 
> 1.06:
>   fix some signed/unsigned char problems of unknown relevance
> 
> 
> I guess I'll be removing a requirement for 1.06,
> for the amount of trouble it is causing:
> 
> --- amavisd.orig        Tue Jan 23 17:13:25 2007
> +++ amavisd     Wed Jan 24 16:01:18 2007
> @@ -16479,4 +16479,3 @@
>    # avoid an exploitable security hole in Convert::UUlib 1.04 and older!
> -  # avoid likely security holes in Convert::UUlib 1.051 and older
> -use Convert::UUlib 1.06 qw(:constants);
> +use Convert::UUlib 1.05 qw(:constants);    # 1.08 or newer is preferred!
>  use Compress::Zlib 1.35;  # avoid security vulnerability in <= 1.34
> 

Yep,
It may be a good idea for now :)

> 
> Mark
> 
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