Articles / Debian: New squirrelmail pa…

Debian: New squirrelmail packages fix cross site scripting bugs

Several cross site scripting vulnerabilities have been found in squirrelmail, a feature-rich webmail package written in PHP4. User input is not always sanitized so execution of arbitrary code on a client computer is possible. This can happen after following a malicious URL or by viewing a malicious addressbook entry. Another problem could make it possible for an attacker to gain sensitive information under some conditions. When a malformed argument is appended to a link, an error page will be generated which contains the absolute pathname of the script. However, this information is available through the Contents file of the distribution anyway. Fixed packages are available from security.debian.org.
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Hash: SHA1

- --------------------------------------------------------------------------
Debian Security Advisory DSA 191-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
November 7th, 2002                      http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : squirrelmail
Vulnerability  : cross site scripting
Problem-Type   : remote
Debian-specific: no
BugTraq ID     : 5949
CVE ID         : CAN-2002-1131 CAN-2002-1132

Several cross site scripting vulnerabilities have been found in
squirrelmail, a feature-rich webmail package written in PHP4.  The
Common Vulnerabilities and Exposures (CVE) project identified the
following vulnerabilities:

 1. CAN-2002-1131: User input is not always sanitized so execution of
    arbitrary code on a client computer is possible.  This can happen
    after following a malicious URL or by viewing a malicious
    addressbook entry.

 2. CAN-2002-1132: Another problem could make it possible for an
    attacker to gain sensitive information under some conditions.
    When a malformed argument is appended to a link, an error page
    will be generated which contains the absolute pathname of the
    script.  However, this information is available through the
    Contents file of the distribution anyway.

These problems have been fixed in version 1.2.6-1.1 the current stable
distribution (woody) and in version 1.2.8-1.1 for the unstable
distribution (sid).  The old stable distribution (potato) is not
affected since it doesn't contain a squirrelmail package

We recommend that you upgrade your squirrelmail package.

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 GNU/Linux 3.0 alias woody
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/s/squirrelmail/squirrelmail_1.2.6-1.1.dsc
      Size/MD5 checksum:      586 9d0435049c42d65d9a443a1c95103bae
    http://security.debian.org/pool/updates/main/s/squirrelmail/squirrelmail_1.2.6-1.1.diff.gz
      Size/MD5 checksum:    15093 03a59d0aeb178176f3cf0b069931cb99
    http://security.debian.org/pool/updates/main/s/squirrelmail/squirrelmail_1.2.6.orig.tar.gz
      Size/MD5 checksum:  1856087 be9e6be1de8d3dd818185d596b41a7f1

  Architecture independent components:

    http://security.debian.org/pool/updates/main/s/squirrelmail/squirrelmail_1.2.6-1.1_all.deb
      Size/MD5 checksum:  1839498 9e9c7ff1f5b42aaea021af563b76deaa


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

- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show ' and http://packages.debian.org/

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