[CLA-2003:777] Conectiva Security Announcement - thttpd
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CONECTIVA LINUX SECURITY ANNOUNCEMENT
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PACKAGE : thttpd
SUMMARY : Fixes for several vulnerabilities and package problems
DATE : 2003-11-06 16:28:00
ID : CLA-2003:777
RELEVANT
RELEASES : 9
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DESCRIPTION
thttpd is a very simple and compact HTTP server.
The thttpd package distributed with Conectiva Linux 9
(thttpd-2.20c-22870cl) contains several bugs[1] that prevent it from
being useful. This update fixes these bugs and the following security
vulnerabilities that affect thttpd 2.20c (descriptions borrowed from
the respectives CVE pages):
- Sensitive files disclosure vulnerability[2] (CAN-2001-0892)
With the chroot option enabled, thttpd allows remote attackers to
view sensitive files under the document root (such as .htpasswd) via
a GET request with a trailing '/.'.
- Cross-site scripting vulnerability[3] (CVE-2002-0733)
thttpd allows remote attackers to execute arbitrary scripts via a URL
to a nonexistent page, which causes thttpd to insert the script into
a 404 error message.
- Directory traversal vulnerability[4] (CAN-2002-1562)
When using virtual hosting, thttpd allows remote attackers to read
arbitrary files via '..' (dot dot) sequences in the 'Host:' header.
The thttpd package has been updated to the "2.24" version, the latest
stable one available at this time.
SOLUTION
Users should install the new packages if they want to use thttpd.
REFERENCES:
1.http://bugzilla.conectiva.com.br/show_bug.cgi?id=9653
2.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-0892
3.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2002-0733
4.http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1562
UPDATED PACKAGES
ftp://atualizacoes.conectiva.com.br/9/RPMS/thttpd-2.24-22871U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/RPMS/thttpd-htpasswd-2.24-22871U90_1cl.i386.rpm
ftp://atualizacoes.conectiva.com.br/9/SRPMS/thttpd-2.24-22871U90_1cl.src.rpm
ADDITIONAL INSTRUCTIONS
The apt tool can be used to perform RPM packages upgrades:
- run: apt-get update
- after that, execute: apt-get upgrade
Detailed instructions reagarding the use of apt and upgrade examples
can be found at http://distro.conectiva.com.br/atualizacoes/#apt?idioma=en
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All packages are signed with Conectiva's GPG key. The key and instructions
on how to import it can be found at
http://distro.conectiva.com.br/seguranca/chave/?idioma=en
Instructions on how to check the signatures of the RPM packages can be
found at http://distro.conectiva.com.br/seguranca/politica/?idioma=en
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All our advisories and generic update instructions can be viewed at
http://distro.conectiva.com.br/atualizacoes/?idioma=en
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Copyright (c) 2003 Conectiva Inc.
http://www.conectiva.com
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