Project Based Calendaring System (PBCS) filename parameter directory traversal

pbcs-filename-directory-traversal (42106) The risk level is classified as MediumMedium Risk

Description:

Project Based Calendaring System (PBCS) could allow a remote attacker to traverse directories on the system. An attacker could send a specially-crafted URL request to the yopy_sync.php or the print_logs.php script containing "dot dot" sequences (/../) in the filename parameter to view arbitrary files on the system.

Platforms Affected:

  • PBCS, Project Based Calendaring System 0.7.1

Remedy:

No remedy available as of August 30, 2008.

Consequences:

Obtain Information

References:

  • PBCS Web site, PBCS Downloads at http://www.pbcs.org/pbcs_download.php.
  • BID-28991: PBCS Multiple Input Validation Vulnerabilities
  • CVE-2008-2215: Multiple directory traversal vulnerabilities in Project-Based Calendaring System (PBCS) 0.7.1-1 allow remote attackers to read arbitrary files via a .. (dot dot) in the filename parameter to (1) src/yopy_sync.php and (2) system-logger/print_logs.php.
  • SA30015: Project-Based Calendaring System File Disclosure Vulnerabilities

Reported:

Apr 30, 2008

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