Untrusted search path vulnerability in dia's Python plug-in alows local users to execute arbitrary code via a Trojan horse Python file in the current working directory, related to an erroneous setting of sys.path by the PySys_SetArgv function. References: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=504251 Test case and more discussion about this issue (and reason's why it can't be fixed in Python is available at): http://www.nabble.com/Bug-484305%3A-bicyclerepair%3A-bike.vim-imports-untrusted-python-files-from-cwd-td18848099.html Proposed patch: http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=pythonpath.diff;att=1;bug=504251
This issue affects all versions of the dia package, as shipped with Red Hat Enterprise Linux 2.1 and 4. The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here: http://www.redhat.com/security/updates/classification/
This issue affects all versions of the dia package, as shipped with Fedora releases of 9, 10 and devel. Please fix.
F-9, F-10 & devel pushed
dia-0.96.1-9.fc10 has been pushed to the Fedora 10 stable repository. If problems still persist, please make note of it in this bug report.
dia-0.96.1-7.fc9 has been pushed to the Fedora 9 stable repository. If problems still persist, please make note of it in this bug report.
Common Vulnerabilities and Exposures assigned an identifier CVE-2008-5984 to this vulnerability: Untrusted search path vulnerability in the Python plugin in Dia 0.96.1, and possibly other versions, allows local users to execute arbitrary code via a Trojan horse Python file in the current working directory, related to a vulnerability in the PySys_SetArgv function (CVE-2008-5983). References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5984 http://www.openwall.com/lists/oss-security/2009/01/26/2 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=504251 http://www.securityfocus.com/bid/33448 http://secunia.com/advisories/33672 http://xforce.iss.net/xforce/xfdb/48262
More explanation why this issue wasn't fixed in Python yet, can be found here: https://bugzilla.redhat.com/show_bug.cgi?id=482814#c1 here: https://bugzilla.redhat.com/show_bug.cgi?id=482814#c4 and here: https://bugzilla.redhat.com/show_bug.cgi?id=482814#c5 Looks like the Python fix won't come anytime soon, so please fix the issue in the package, till we find the proper Python solution. Ray Strode's test case to check the work of the fix can be found here: https://bugzilla.redhat.com/show_bug.cgi?id=481556#c8