__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN phpWiki Security Vulnerabilities [Debian Security Advisory DSA-1371-1] September 17, 2007 19:00 GMT Number R-353 ______________________________________________________________________________ PROBLEM: Several vulnerabilities have been discovered in phpWiki, a wiki engine written in PHP. PLATFORM: Debian GNU/Linux 4.0 (etch) DAMAGE: Allows unrestricted file uploads and might allow remote attackers to bypass authentication via an empty password, which causes ldap_bind to return true when used with certain LDAP implementations. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is LOW. Allows unrestricted file uploads and might ASSESSMENT: allow remote attackers to bypass authentication via an empty password. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/r-353.shtml ORIGINAL BULLETIN: http://www.debian.org/security/2007/dsa-1371 CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2007-2024 CVE-2007-2025 CVE-2007-3193 ______________________________________________________________________________ [***** Start Debian Security Advisory DSA-1371-1 *****] Debian Security Advisory DSA-1371-1 phpwiki -- several vulnerabilities Date Reported: 11 Sep 2007 Affected Packages: phpwiki Vulnerable: Yes Security database references: In the Debian bugtracking system: Bug 429201, Bug 441390. In Mitre's CVE dictionary: CVE-2007-2024, CVE-2007-2025, CVE-2007-3193. More information: Several vulnerabilities have been discovered in phpWiki, a wiki engine written in PHP. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2007-2024 It was discovered that phpWiki performs insufficient file name validation, which allows unrestricted file uploads. CVE-2007-2025 It was discovered that phpWiki performs insufficient file name validation, which allows unrestricted file uploads. CVE-2007-3193 If the configuration lacks a nonzero PASSWORD_LENGTH_MINIMUM, phpWiki might allow remote attackers to bypass authentication via an empty password, which causes ldap_bind to return true when used with certain LDAP implementations. The old stable distribution (sarge) does not contain phpwiki packages. For the stable distribution (etch) these problems have been fixed in version 1.3.12p3-5etch1. For the unstable distribution (sid) these problems have been fixed in version 1.3.12p3-6.1. We recommend that you upgrade your phpwiki package. Fixed in: Debian GNU/Linux 4.0 (etch) Source: http://security.debian.org/pool/updates/main/p/phpwiki/phpwiki_1.3.12p3-5etch1.dsc http://security.debian.org/pool/updates/main/p/phpwiki/phpwiki_1.3.12p3-5etch1.diff.gz http://security.debian.org/pool/updates/main/p/phpwiki/phpwiki_1.3.12p3.orig.tar.gz Architecture-independent component: http://security.debian.org/pool/updates/main/p/phpwiki/phpwiki_1.3.12p3-5etch1_all.deb MD5 checksums of the listed files are available in the original advisory. [***** End Debian Security Advisory DSA-1371-1 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Debian for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. CIAC can be contacted at: Voice: +1 925-422-8193 (7x24) FAX: +1 925-423-8002 STU-III: +1 925-423-2604 E-mail: ciac@ciac.org Previous CIAC notices, anti-virus software, and other information are available from the CIAC Computer Security Archive. World Wide Web: http://www.ciac.org/ Anonymous FTP: ftp.ciac.org PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing communities receive CIAC bulletins. If you are not part of these communities, please contact your agency's response team to report incidents. Your agency's team will coordinate with CIAC. The Forum of Incident Response and Security Teams (FIRST) is a world-wide organization. A list of FIRST member organizations and their constituencies can be obtained via WWW at http://www.first.org/. This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes. 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