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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-2004.047 29-Oct-2004
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Package: apache
Vulnerability: arbitrary code execution
OpenPKG Specific: no
Affected Releases: Affected Packages: Corrected Packages:
OpenPKG CURRENT <= apache-1.3.32-20041028 >= apache-1.3.33-20041029
OpenPKG 2.2 <= apache-1.3.31-2.2.0 >= apache-1.3.31-2.2.1
OpenPKG 2.1 <= apache-1.3.31-2.1.5 >= apache-1.3.31-2.1.6
OpenPKG 2.0 <= apache-1.3.29-2.0.6 >= apache-1.3.29-2.0.7 (*)
(*) actually already end-of-life
Dependent Packages: none
Description:
According to a vendor announcement [1], a vulnerability exists in
the Apache HTTP server [0], version 1.3. The problem is a potential
buffer overflow in the "get_tag" function of Apache's SSI module
"mod_include". It allows local users who can create SSI documents
to execute arbitrary code as the Apache run-time user via SSI
documents that trigger a content length calculation error. The
Common Vulnerabilities and Exposures (CVE) project assigned the id
CAN-2004-0940 [2] to the problem.
Please check whether you are affected by running "<prefix>/bin/openpkg
rpm -q apache". If you have the "apache" 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 most recent release OpenPKG 2.2, perform the
following operations to permanently fix the security problem (for
other releases adjust accordingly).
$ ftp ftp.openpkg.org
ftp> bin
ftp> cd release/2.2/UPD
ftp> get apache-1.3.31-2.2.1.src.rpm
ftp> bye
$ <prefix>/bin/openpkg rpm -v --checksig apache-1.3.31-2.2.1.src.rpm
$ <prefix>/bin/openpkg rpm --rebuild apache-1.3.31-2.2.1.src.rpm
$ su -
# <prefix>/bin/openpkg rpm -Fvh <prefix>/RPM/PKG/apache-1.3.31-2.2.1.*.rpm
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References:
[0] http://httpd.apache.org/
[1] http://www.apache.org/dist/httpd/Announcement.html
[2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0940
[3] http://www.openpkg.org/tutorial.html#regular-source
[4] http://www.openpkg.org/tutorial.html#regular-binary
[5] ftp://ftp.openpkg.org/release/2.2/UPD/apache-1.3.31-2.2.1.src.rpm
[6] ftp://ftp.openpkg.org/release/2.1/UPD/apache-1.3.31-2.1.6.src.rpm
[7] ftp://ftp.openpkg.org/release/2.2/UPD/
[8] ftp://ftp.openpkg.org/release/2.1/UPD/
[9] 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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