PerlDesk contains a flaw that allows a remote attacker to access arbitrary files outside of the web path. The issue is due to the pdesk.cgi script not properly sanitizing user input, specifically traversal style attacks (../../) supplied via the 'lang' variable.
Classification
Location:
Remote / Network Access
Attack Type:
Information Disclosure,
Input Manipulation
Impact:
Loss of Confidentiality
Exploit:
Exploit Public
Disclosure:
OSVDB Verified
Solution
Upgrade to version 2 or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by implementing the following workaround:
1.) Download pdeskcgi.txt and kbcgi.txt from vendor's site
2.) Rename these files to kb.cgi and pdesk.cgi (removing the .txt) and upload them to your existing installing in ASCII mode.
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