compose.php in @Mail WebMail Client in AtMail Open-Source before 1.05 does not properly handle ../ (dot dot slash) sequences in the unique parameter, which allows remote attackers to conduct directory traversal attacks and read arbitrary files via a ..././ (dot dot dot slash dot slash) sequence.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
Link | Tags |
---|---|
http://en.securitylab.ru/lab/PT-2011-48 | |
http://atmail.org/download/atmailopen.tgz | patch |
http://www.kb.cert.org/vuls/id/743555 | third party advisory us government resource |
http://secunia.com/advisories/47012 | third party advisory |