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OpenPKG Security Advisory The OpenPKG Project
http://www.openpkg.org/security.html http://www.openpkg.org
openpkg-security@openpkg.org openpkg@openpkg.org
OpenPKG-SA-2004.004 08-Mar-2004
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Package: libtool
Vulnerability: insecure creation of temporary directory
OpenPKG Specific: no
Affected Releases: Affected Packages: Corrected Packages:
OpenPKG CURRENT <= libtool-1.5.2-20040207>= libtool-1.5.2-20040308
OpenPKG 2.0 <= libtool-1.5.2-2.0.0>= libtool-1.5.2-2.0.1
OpenPKG 1.3 <= libtool-1.5-1.3.0>= libtool-1.5-1.3.1
Dependent Packages: none
Description:
According to a posting on Bugtraq [0], an issue regarding the insecure
creation of a temporary directory exists in GNU libtool [1] versions
before 1.5.2. Use of mkdir(1) along with option "-p" makes libtool
vulnerable to symlink attacks. Stefan Nordhausen commited a fix that
removes the use of option "-p" in version 1.5.2. Discussion on Bugtraq
further indicates that an additional race condition issue exists in
the same context using chmod(1), reported by Joseph S. Myers back in
March 2000 [2]. The updated OpenPKG versions of libtool contain fixes
for both issues.
Please check whether you are affected by running "/bin/rpm -q
libtool". If you have the "libtool" 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 2.0, perform the following
operations to permanently fix the security problem (for other releases
adjust accordingly).
$ ftp ftp.openpkg.org
ftp> bin
ftp> cd release/2.0/UPD
ftp> get libtool-1.5.2-2.0.1.src.rpm
ftp> bye
$ /bin/openpkg rpm -v --checksig libtool-1.5.2-2.0.1.src.rpm
$ /bin/openpkg rpm --rebuild libtool-1.5.2-2.0.1.src.rpm
$ su -
# /bin/openpkg rpm -Fvh /RPM/PKG/libtool-1.5.2-2.0.1.*.rpm
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References:
[0] http://marc.theaimsgroup.com/?l=bugtraq&m=107577516526919&w=4
[1] http://www.gnu.org/software/libtool/
[2] http://www.geocrawler.com/mail/msg.php3?msg_id=3438808&list=405
[3] http://www.openpkg.org/tutorial.html#regular-source
[4] http://www.openpkg.org/tutorial.html#regular-binary
[5] ftp://ftp.openpkg.org/release/1.3/UPD/libtool-1.5-1.3.1.src.rpm
[6] ftp://ftp.openpkg.org/release/2.0/UPD/libtool-1.5.2-2.0.1.src.rpm
[7] ftp://ftp.openpkg.org/release/1.3/UPD/
[8] ftp://ftp.openpkg.org/release/2.0/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 retrieve from http://pgp.openpkg.org and
hkp://pgp.openpkg.org. Follow the instructions on http://pgp.openpkg.org/
for details on how to verify the integrity of this advisory.
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