Layered Defense Research Advisory – A local format string vulnerability was discovered within Symantec PcAnywhere version 10 thru 12.5. The vulnerability is due to improper processing of format strings within (.CHF) remote control file names or associated file path. When special crafted format strings are entered as the file name (%s%s%s%s%s.chf) or within the path of the CHF file the format string vulnerability is triggered. Making it possible to read/write arbitrary memory and at a minimum cause a denial of service condition.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/75860/pcanywhere-format.txt
Source: https://packetstormsecurity.com/files/75860/Symantec-PcAnywhere-10-Format-String.html