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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-2005.011 23-Jun-2005
________________________________________________________________________
Package: shtool
Vulnerability: insecure temporary file handling
OpenPKG Specific: no
Affected Releases: Affected Packages: Corrected Packages:
OpenPKG CURRENT <= shtool-2.0.1-20050324 >= shtool-2.0.2-20050615
<= openpkg-20050613-20050613 >= openpkg-20050615-20050615
<= al-0.9.1-20040207 >= al-0.9.1-20050615
<= as-gui-0.7.7-20040920 >= as-gui-0.7.7-20050615
<= cfg-0.9.9-20050218 >= cfg-0.9.9-20050615
<= ettercap-0.7.3-20050529 >= ettercap-0.7.3-20050615
<= ex-1.0.4-20050610 >= ex-1.0.4-20050615
<= flow2rrd-0.9.1-20041230 >= flow2rrd-0.9.1-20050615
<= fsl-1.6.0-20050308 >= fsl-1.6.0-20050615
<= getopt-20030307-20040207 >= getopt-20030307-20050615
<= iselect-1.3.0-20041008 >= iselect-1.3.0-20050615
<= jitterbug-1.6.2.3-20040203 >=
jitterbug-1.6.2.3-20050615
<= l2-0.9.10-20050308 >= l2-0.9.10-20050615
<= libnetdude-0.7-20050506 >= libnetdude-0.7-20050615
<= libpcapnav-0.6-20050506 >= libpcapnav-0.6-20050615
<= libradius-20040920-20040920 >=
libradius-20040920-20050615
<= lmtp2nntp-1.3.0-20041207 >= lmtp2nntp-1.3.0-20050615
<= lzo-2.00-20050530 >= lzo-2.00-20050615
<= lzop-1.01-20050530 >= lzop-1.01-20050615
<= mm-1.3.1-20041018 >= mm-1.3.1-20050615
<= netdude-0.4.6-20050506 >= netdude-0.4.6-20050615
<= newt-0.51.6.7-20050323 >= newt-0.51.6.7-20050615
<= nmap-3.81-20050207 >= nmap-3.81-20050615
<= openldap-2.2.27-20050611 >= openldap-2.2.27-20050615
<= openpkg-rc-0.7.3-20040207 >= openpkg-rc-0.7.3-20050615
<= petidomo-4.0b6-20050215 >= petidomo-4.0b6-20050615
<= php-4.3.11-20050407 >= php-4.3.11-20050615
<= php5-5.0.4-20050611 >= php5-5.0.4-20050615
<= pth-2.0.4-20050218 >= pth-2.0.4-20050615
<= sa-1.2.4-20050308 >= sa-1.2.4-20050615
<= shiela-1.1.5-20050112 >= shiela-1.1.5-20050615
<= sio-0.9.2-20050610 >= sio-0.9.2-20050615
<= snmpdx-0.2.10-20041018 >= snmpdx-0.2.10-20050615
<= str-0.9.10-20050124 >= str-0.9.10-20050615
<= svs-1.0.2-20050206 >= svs-1.0.2-20050615
<= uuid-1.2.0-20050407 >= uuid-1.2.0-20050615
<= val-0.9.3-20050610 >= val-0.9.3-20050615
<= var-1.1.2-20041031 >= var-1.1.2-20050615
<= wml-2.0.9-20050613 >= wml-2.0.9-20050615
<= xds-0.9.2-20050603 >= xds-0.9.2-20050615
OpenPKG 2.4 none N.A.
OpenPKG 2.3 <= shtool-2.0.1-2.3.0 >= shtool-2.0.1-2.3.1
<= openpkg-2.3.2-2.3.2 >= openpkg-2.3.3-2.3.3
<= al-0.9.1-2.3.0 >= al-0.9.1-2.3.1
<= cfg-0.9.9-2.3.0 >= cfg-0.9.9-2.3.1
<= ex-1.0.4-2.3.0 >= ex-1.0.4-2.3.1
<= fsl-1.6.0-2.3.1 >= fsl-1.6.0-2.3.2
<= getopt-20030307-2.3.0 >= getopt-20030307-2.3.1
<= iselect-1.3.0-2.3.0 >= iselect-1.3.0-2.3.1
<= l2-0.9.10-2.3.0 >= l2-0.9.10-2.3.1
<= lmtp2nntp-1.3.0-2.3.0 >= lmtp2nntp-1.3.0-2.3.1
<= lzo-1.08-2.3.0 >= lzo-1.08-2.3.1
<= lzop-1.01-2.3.0 >= lzop-1.01-2.3.1
<= mm-1.3.1-2.3.1 >= mm-1.3.1-2.3.1
<= newt-0.51.6.6-2.3.0 >= newt-0.51.6.6-2.3.1
<= nmap-3.81-2.3.0 >= nmap-3.81-2.3.1
<= openldap-2.2.23-2.3.0 >= openldap-2.2.23-2.3.1
<= php-4.3.10-2.3.1 >= php-4.3.10-2.3.2
<= php5-5.0.3-2.3.0 >= php5-5.0.3-2.3.1
<= pth-2.0.4-2.3.0 >= pth-2.0.4-2.3.1
<= sa-1.2.4-2.3.0 >= sa-1.2.4-2.3.1
<= shiela-1.1.5-2.3.0 >= shiela-1.1.5-2.3.1
<= sio-0.9.2-2.3.0 >= sio-0.9.2-2.3.1
<= snmpdx-0.2.10-2.3.0 >= snmpdx-0.2.10-2.3.1
<= str-0.9.10-2.3.0 >= str-0.9.10-2.3.1
<= uuid-1.2.0-2.3.0 >= uuid-1.2.0-2.3.1
<= val-0.9.3-2.3.0 >= val-0.9.3-2.3.1
<= var-1.1.2-2.3.0 >= var-1.1.2-2.3.1
<= wml-2.0.9-2.3.0 >= wml-2.0.9-2.3.1
<= xds-0.9.1-2.3.0 >= xds-0.9.1-2.3.1
Dependent Packages: none
Description:
Eric Romang has discovered [1] that GNU shtool [0] insecurely creates
temporary files with predictable filenames, potentially allowing a
local user to overwrite arbitrary files with a "symlink" attack. The
Common Vulnerabilities and Exposures (CVE) project assigned the id
CAN-2005-1751 [2] to the problem. On closer inspection, the Gentoo
Security team discovered that the GNU shtool temporary file, once
created, was being reused insecurely, too. The Common Vulnerabilities
and Exposures (CVE) project assigned the id CAN-2005-1759 [3] to the
problem.
Please check whether you are affected by running "<prefix>/bin/openpkg
rpm -q shtool". If you have the "shtool" 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
[6], fetch it from the OpenPKG FTP service [7] or a mirror location,
verify its integrity [8], build a corresponding binary RPM from it [3]
and update your OpenPKG installation by applying the binary RPM [5].
For the affected release OpenPKG 2.3, perform the following operations
to permanently fix the security problem (for other releases adjust
accordingly).
$ ftp ftp.openpkg.org
ftp> bin
ftp> cd release/2.3/UPD
ftp> get shtool-2.0.2-2.3.1.src.rpm
ftp> bye
$ <prefix>/bin/openpkg rpm -v --checksig shtool-2.0.1-2.3.1.src.rpm
$ <prefix>/bin/openpkg rpm --rebuild shtool-2.0.1-2.3.1.src.rpm
$ su -
# <prefix>/bin/openpkg rpm -Fvh <prefix>/RPM/PKG/shtool-2.0.1-2.3.1.*.rpm
Additionally, we recommend that you rebuild and reinstall
all dependent packages (see above), if any, too [4][5].
________________________________________________________________________
References:
[0] http://www.gnu.org/software/shtool/
[1] http://www.zataz.net/adviso/shtool-05252005.txt
[2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1751
[3] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1759
[4] http://www.openpkg.org/tutorial.html#regular-source
[5] http://www.openpkg.org/tutorial.html#regular-binary
[6] ftp://ftp.openpkg.org/release/2.3/UPD/shtool-2.0.1-2.3.1.src.rpm
[7] ftp://ftp.openpkg.org/release/2.3/UPD/
[8] http://www.openpkg.org/security.html#signature
________________________________________________________________________
For security reasons, this advisory was digitally signed with the
OpenPGP public key "OpenPKG <openpkg@openpkg.org>" (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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