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Sicherheit: Unsichere Pfade in mantis (Aktualisierung)
Aktuelle Meldungen Distributionen
Name: Unsichere Pfade in mantis (Aktualisierung)
ID: DSA-153-2
Distribution: Debian
Plattformen: Debian woody
Datum: Mi, 21. August 2002, 13:00
Referenzen: Keine Angabe
Applikationen: Mantis Bug Tracker
Update von: Unsichere Pfade in mantis

Originalnachricht

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Debian Security Advisory DSA 153-2 security@debian.org
http://www.debian.org/security/ Martin Schulze
August 20th, 2002 http://www.debian.org/security/faq
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Package : mantis
Vulnerability : cross site code execution, privilege escalation
Problem-Type : remote
Debian-specific: no

Jeroen Latour pointed out that we missed one uninitialized variable in
DSA 153-1, which was insecurely used with file inclusions in the
Mantis package, a php based bug tracking system. When such occasions
are exploited, a remote user is able to execute arbitrary code under
the webserver user id on the web server hosting the mantis system.

Jeroen Latour discovered that Mantis did not check all user input,
especially if they do not come directly from form fields. This opens
up a wide variety of SQL poisoning vulnerabilities on systems without
magic_quotes_gpc enabled. Most of these vulnerabilities are only
exploitable in a limited manner, since it is no longer possible to
execute multiple queries using one call to mysql_query(). There is
one query which can be tricked into changing an account's access
level.

Jeroen Latour also reported that it is possible to instruct Mantis to
show reporters only the bugs that they reported, by setting the
limit_reporters option to ON. However, when formatting the output
suitable for printing, the program did not check the limit_reporters
option and thus allowed reporters to see the summaries of bugs they
did not report.

Jeroen Latour discovered that the page responsible for displaying a
list of bugs in a particular project, did not check whether the user
actually has access to the project, which is transmitted by a cookie
variable. It accidently trusted the fact that only projects
accessible to the user were listed in the drop-down menu. This
provides a malicious user with an opportunity to display the bugs of a
private project selected.

These problems have been fixed in version 0.17.1-2.2 for the current
stable distribution (woody) and in version 0.17.4a-2 for the unstable
distribution (sid). The old stable distribution (potato) is not
affected, since it doesn't contain the mantis package.

We recommend that you upgrade your mantis packages immediately.

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.


Debian GNU/Linux 3.0 alias woody
--------------------------------

Source archives:

mantis_0.17.1-2.2.dsc
Size/MD5 checksum: 572 b0e1d4b5e021afd1445497e79db30c99
mantis_0.17.1-2.2.diff.gz
Size/MD5 checksum: 13992 808ef6b8552bfd50b9e1a0abb34620fd
mantis_0.17.1.orig.tar.gz
Size/MD5 checksum: 220458 d8bac093eaf31ef5812e714db5c07f82

Architecture independent components:

mantis_0.17.1-2.2_all.deb
Size/MD5 checksum: 249206 3891cfe394de49d7e57a4b4ed8f7db6f


These files will probably be moved into the stable distribution on
its next revision.

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For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-securitydists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show <pkg>' and http://packages.debian.org/<pkg>

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