Project Based Calendaring System (PBCS) filename parameter directory traversal

pbcs-filename-directory-traversal (42106)

Medium 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.

*CVSS:

Base Score:	5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	None
Availability Impact:	None
Temporal Score:	4.8
Exploitability:	High
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

Obtain Information

Remedy:

No remedy available as of May 1, 2013.

References:

• PBCS Web site: PBCS Downloads.
• 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.
• OSVDB ID: 44886: Project-Based Calendaring System (PBCS) src/yopy_sync.php filename Variable Traversal Local File Access
• OSVDB ID: 44887: Project-Based Calendaring System (PBCS) plugins/system-logger/print_logs.php filename Variable Traversal Local File Access
• SA30015: Project-Based Calendaring System File Disclosure Vulnerabilities

Platforms Affected:

• PBCS Project Based Calendaring System 0.7.1

Reported:

Apr 30, 2008

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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