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Home » Hacking News » OpenPKG SA-2003.025: mutt buffer overflow

OpenPKG SA-2003.025: mutt buffer overflow

by Nikola Strahija on March 22nd, 2003 A buffer overflow exist in the IMAP client code of the mail user agent Mutt. It is possible for a remote attacker to run arbitrary commands with the privileges of the user running Mutt.


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________________________________________________________________________

OpenPKG Security Advisory The OpenPKG Project
http://www.openpkg.org/security.html http://www.openpkg.org
[email protected] [email protected]
OpenPKG-SA-2003.025 20-Mar-2003
________________________________________________________________________

Package: mutt
Vulnerability: buffer overflow in IMAP client
OpenPKG Specific: no

Affected Releases: Affected Packages: Corrected Packages:
OpenPKG CURRENT <= mutt-1.4i-20030103 >= mutt-1.4.1i-20030320
OpenPKG 1.2 <= mutt-1.4i-1.2.0 >= mutt-1.4i-1.2.1
OpenPKG 1.1 <= mutt-1.4i-1.1.0 >= mutt-1.4i-1.1.1

Dependent Packages: none

Description:
According to a posting on Bugtraq [0], Edmund Grimley Evans fixed a
buffer overflow which exists in the IMAP client code of the mail user
agent Mutt [1]. The bug was found by Core Security Technologies [2].

Please check whether you are affected by running "/bin/rpm -q
mutt". If you have the "mutt" package installed and its version is
affected (see above), we recommend that you immediately upgrade it
(see Solution). [3][4]

Solution:
Select the updated source RPM appropriate for your OpenPKG release
[5][6], fetch it from the OpenPKG FTP service [7][8] or a mirror
location, verify its integrity [9], build a corresponding binary RPM
from it [3] and update your OpenPKG installation by applying the binary
RPM [4]. For the current release OpenPKG 1.2, perform the following
operations to permanently fix the security problem (for other releases
adjust accordingly).

$ ftp ftp.openpkg.org
ftp> bin
ftp> cd release/1.2/UPD
ftp> get mutt-1.4i-1.2.1.src.rpm
ftp> bye
$ /bin/rpm -v --checksig mutt-1.4i-1.2.1.src.rpm
$ /bin/rpm --rebuild mutt-1.4i-1.2.1.src.rpm
$ su -
# /bin/rpm -Fvh /RPM/PKG/mutt-1.4i-1.2.1.*.rpm
________________________________________________________________________

References:
[0] http://www.securityfocus.com/archive/1/315679
[1] http://www.mutt.org/
[2] http://www.corest.com/common/showdoc.php?idx=310&idxseccion=10
[3] http://www.openpkg.org/tutorial.html#regular-source
[4] http://www.openpkg.org/tutorial.html#regular-binary
[5] ftp://ftp.openpkg.org/release/1.1/UPD/mutt-1.4i-1.1.1.src.rpm
[6] ftp://ftp.openpkg.org/release/1.2/UPD/mutt-1.4i-1.2.1.src.rpm
[7] ftp://ftp.openpkg.org/release/1.1/UPD/
[8] ftp://ftp.openpkg.org/release/1.2/UPD/
[9] http://www.openpkg.org/security.html#signature
________________________________________________________________________

For security reasons, this advisory was digitally signed with
the OpenPGP public key "OpenPKG " (ID 63C4CB9F)
of the OpenPKG project which you can find under the official URL
http://www.openpkg.org/openpkg.pgp or on http://keyserver.pgp.com/. To
check the integrity of this advisory, verify its digital signature by
using GnuPG (http://www.gnupg.org/). For instance, pipe this message to
the command "gpg --verify --keyserver keyserver.pgp.com".
________________________________________________________________________

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