Your message dated Fri, 02 Nov 2007 09:32:04 +0000
with message-id <[EMAIL PROTECTED]>
and subject line Bug#448721: fixed in yarssr 0.2.2-3
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(administrator, Debian Bugs database)
--- Begin Message ---
Package: yarssr
Version: 0.2.2-1
Severity: grave
Tags: security
Hi,
Duncan Gilmore reported this issue to me:
Am Freitag, den 26.10.2007, 03:19 +0100 schrieb Duncan Gilmore:
> Hi Joachim,
>
> Thanks for maintaining the yarssr package for Debian...
>
> I noticed a client-side code execution vulnerability in the yarssr
> GUI.pm module when gnome default url handling is not selected (and
> this is off by default in Ubuntu, assume so in Debian too).
>
> From the file GUI.pm:
> if (Yarssr::Config->get_usegnome) {
> Gnome2::URL->show($url);
> }
> else {
> if ($child = fork)
> {
> Glib::Idle->add(
> sub {
> my $kid = waitpid($child,WNOHANG);
> $kid > 0 ? return 0 : return 1;
> }
> );
> }
> else {
> my $b = Yarssr::Config->get_browser;
> $b .= " \"$url\"" unless $b =~ s/\%s/"$url"/;
> exec($b) or warn "unable to launch browser\n";
> exit;
> }
> }
>
> Shell character injection is possible because of incorrect use of exec
> and/or no filtering on the urls provided in feeds.
> If a user clicks on an article link like the one in the example feed
> below, commands can be passed silently to the shell.
>
> ================feed.rss===================
> <?xml version="1.0" encoding="ISO-8859-1"?>
> <rss version="2.0"
> xmlns:blogChannel="http://backend.userland.com/blogChannelModule";>
> <channel>
> <title>test feed</title>
> <item>
> <title>test post - create /tmp/created_file</title>
> <link>http://google.com";perl -e "print 'could run anything here' " >
> "/tmp/created_file</link>
> <pubDate>Fri, 26 Oct 2007 14:10:25 +0300</pubDate>
> </item>
> </channel>
> </rss>
> ================feed.rss===================
>
> I tried contacting the author through his sourceforge account about 3
> weeks ago but had no answer. Any chance you can get hold of him or get
> a fix in?
>
> Thanks and regards,
>
> D Gilmore
I will shortly upload something that hopefully fixes this.
Greetings,
Joachim
-- System Information:
Debian Release: lenny/sid
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.21.otto
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages yarssr depends on:
ii libgnome2-perl 1.040-1 Perl interface to the GNOME librar
ii libgnome2-vfs-perl 1.080-1 Perl interface to the 2.x series o
ii libgtk2-gladexml-perl 1.006-1 Perl interface to use user interfa
ii libgtk2-perl 1:1.161-1 Perl interface to the 2.x series o
ii libgtk2-trayicon-perl 0.04-1 Perl interface to fill the system
ii libxml-rss-perl 1.05-1 Perl module for managing RSS (RDF
ii perl 5.8.8-11.1 Larry Wall's Practical Extraction
yarssr recommends no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
Source: yarssr
Source-Version: 0.2.2-3
We believe that the bug you reported is fixed in the latest version of
yarssr, which is due to be installed in the Debian FTP archive:
yarssr_0.2.2-3.diff.gz
to pool/main/y/yarssr/yarssr_0.2.2-3.diff.gz
yarssr_0.2.2-3.dsc
to pool/main/y/yarssr/yarssr_0.2.2-3.dsc
yarssr_0.2.2-3_all.deb
to pool/main/y/yarssr/yarssr_0.2.2-3_all.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [EMAIL PROTECTED],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Joachim Breitner <[EMAIL PROTECTED]> (supplier of updated yarssr package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [EMAIL PROTECTED])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.7
Date: Wed, 31 Oct 2007 12:23:31 +0100
Source: yarssr
Binary: yarssr
Architecture: source all
Version: 0.2.2-3
Distribution: unstable
Urgency: high
Maintainer: Joachim Breitner <[EMAIL PROTECTED]>
Changed-By: Joachim Breitner <[EMAIL PROTECTED]>
Description:
yarssr - RSS reader for the notification area
Closes: 448721
Changes:
yarssr (0.2.2-3) unstable; urgency=high
.
* Fixes code injection through malicous URLs (closes: 448721)
Files:
b479614022d38032af1f8f5be01dc185 568 net optional yarssr_0.2.2-3.dsc
c5160fee6c83957547f1a083e362176e 6508 net optional yarssr_0.2.2-3.diff.gz
94981dba118dfa3444dc2524d1559b44 23892 net optional yarssr_0.2.2-3_all.deb
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--- End Message ---
