Duncan Gilmore discovered that yarssr, an RSS aggregator and reader, performs insufficient input sanitising, which could result in the execution of arbitrary shell commands if a malformed feed is read.

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Debian Security Advisory DSA-1477-1                  This email address is being protected from spambots. You need JavaScript enabled to view it.
http://www.debian.org/security/                       Moritz Muehlenhoff
January 27, 2008                      http://www.debian.org/security/faq
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Package        : yarssr
Vulnerability  : missing input sanitising
Problem type   : remote
Debian-specific: no
CVE Id(s)      : CVE-2007-5837

Duncan Gilmore discovered that yarssr, an RSS aggregator and reader,
performs insufficient input sanitising, which could result in the
execution of arbitrary shell commands if a malformed feed is read.

For the stable distribution (etch), this problem has been fixed in
version 0.2.2-1etch1.

Due to a technical limitation of the archive management scripts, the
fix for the old stable distribution (sarge) needs to be postponed
by a few days.

We recommend that you upgrade your yarssr packages.

Upgrade instructions
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wget url
        will fetch the file for you
dpkg -i file.deb
        will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian 4.0 (stable)
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Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.

Source archives:

  http://security.debian.org/pool/updates/main/y/yarssr/yarssr_0.2.2-1etch1.diff.gz
    Size/MD5 checksum:     6420 105059b6e1b31d82b77ae3bb2d788fa6
  http://security.debian.org/pool/updates/main/y/yarssr/yarssr_0.2.2.orig.tar.gz
    Size/MD5 checksum:    21077 1825b214043c8d37fc8bad6935f0137a
  http://security.debian.org/pool/updates/main/y/yarssr/yarssr_0.2.2-1etch1.dsc
    Size/MD5 checksum:      584 83e4a6cb616defe9d78f55ef06d6379c

Architecture independent packages:

  http://security.debian.org/pool/updates/main/y/yarssr/yarssr_0.2.2-1etch1_all.deb
    Size/MD5 checksum:    23498 d8bd255215bdb7042260997fb76741cd


  These files will probably be moved into the stable distribution on
  its next update.

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For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
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