BugTraq
[OpenPKG-SA-2003.046] OpenPKG Security Advisory (apache) Oct 28 2003 03:16PM
OpenPKG (openpkg openpkg org)
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OpenPKG Security Advisory The OpenPKG Project
http://www.openpkg.org/security.html http://www.openpkg.org
openpkg-security (at) openpkg (dot) org [email concealed] openpkg (at) openpkg (dot) org [email concealed]
OpenPKG-SA-2003.046 28-Oct-2003
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Package: apache
Vulnerability: local buffer overflow
OpenPKG Specific: no

Affected Releases: Affected Packages: Corrected Packages:
OpenPKG CURRENT <= apache-1.3.28-20031009 >= apache-1.3.29-20031028
OpenPKG 1.3 <= apache-1.3.28-1.3.0 >= apache-1.3.28-1.3.1
OpenPKG 1.2 <= apache-1.3.27-1.2.2 >= apache-1.3.27-1.2.3

Dependent Packages: none

Description:
André Malo discovered buffer overflows [0] in the mod_alias and
mod_rewrite modules of the Apache [1] webserver. These occurred if
a regular expression with more than 9 capturing parenthesis was
configured. To exploit this, an attacker would need to be able to
locally create a carefully crafted configuration file (.htaccess or
httpd.conf). The Common Vulnerabilities and Exposures (CVE) project
assigned the id CAN-2003-0542 [2] to the problem.

Please check whether you are affected by running "<prefix>/bin/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 current release OpenPKG 1.3, perform the
following operations to permanently fix the security problem (for
other releases adjust accordingly).

$ ftp ftp.openpkg.org
ftp> bin
ftp> cd release/1.3/UPD
ftp> get apache-1.3.28-1.3.1.src.rpm
ftp> bye
$ <prefix>/bin/rpm -v --checksig apache-1.3.28-1.3.1.src.rpm
$ <prefix>/bin/rpm --rebuild apache-1.3.28-1.3.1.src.rpm
$ su -
# <prefix>/bin/rpm -Fvh <prefix>/RPM/PKG/apache-1.3.28-1.3.1.*.rpm
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References:
[0] http://marc.theaimsgroup.com/?l=apache-cvs&m=106701190026083
[1] http://httpd.apache.org/
[2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0542
[3] http://www.openpkg.org/tutorial.html#regular-source
[4] http://www.openpkg.org/tutorial.html#regular-binary
[5] ftp://ftp.openpkg.org/release/1.2/UPD/apache-1.3.27-1.2.3.src.rpm
[6] ftp://ftp.openpkg.org/release/1.3/UPD/apache-1.3.28-1.3.1.src.rpm
[7] ftp://ftp.openpkg.org/release/1.2/UPD/
[8] ftp://ftp.openpkg.org/release/1.3/UPD/
[9] http://www.openpkg.org/security.html#signature
________________________________________________________________________

For security reasons, this advisory was digitally signed with the
OpenPGP public key "OpenPKG <openpkg (at) openpkg (dot) org [email concealed]>" (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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