[ GLSA 200709-18 ] Bugzilla: Multiple vulnerabilities

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  Severity: High
     Title: Bugzilla: Multiple vulnerabilities
      Date: September 30, 2007
      Bugs: #190112
        ID: 200709-18

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Synopsis

Bugzilla contains several vulnerabilities, some of them possibly leading to the remote execution of arbitrary code.

Background

Bugzilla is a web application designed to help with managing software development.

Affected packages

     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  www-apps/bugzilla       < 3.0.1                        *>= 2.20.5

                                                            *>= 2.22.3

                                                              >= 3.0.1

Description

Masahiro Yamada found that from the 2.17.1 version, Bugzilla does not properly sanitize the content of the "buildid" parameter when filing bugs (CVE-2007-4543). The next two vulnerabilities only affect Bugzilla 2.23.3 or later, hence the stable Gentoo Portage tree does not contain these two vulnerabilities: Loic Minier reported that the "Email::Send::Sendmail()" function does not properly sanitise "from" email information before sending it to the "-f" parameter of /usr/sbin/sendmail (CVE-2007-4538), and Frédéric Buclin discovered that the XML-RPC interface does not correctly check permissions in the time-tracking fields (CVE-2007-4539).

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Impact

A remote attacker could trigger the "buildid" vulnerability by sending a specially crafted form to Bugzilla, leading to a persistent XSS, thus allowing for theft of credentials. With Bugzilla 2.23.3 or later, an attacker could also execute arbitrary code with the permissions of the web server by injecting a specially crafted "from" email address and gain access to normally restricted time-tracking information through the XML-RPC service.

Workaround

There is no known workaround at this time.

Resolution

All Bugzilla users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose www-apps/bugzilla

References

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  [ 1 ] CVE-2007-4538
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4538   [ 2 ] CVE-2007-4539
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4539   [ 3 ] CVE-2007-4543
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4543

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200709-18.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org.

License

Copyright 2007 Gentoo Foundation, Inc; referenced text belongs to its owner(s).

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