Multiple directory traversal vulnerabilities on the Huawei E585 device allow remote attackers to (1) read arbitrary files via a .. (dot dot) in the PATH_INFO of an sdcard/ request or (2) modify arbitrary files via a .. (dot dot) in the req_page parameter to en/sms.cgi.
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 |
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http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-198239.htm | vendor advisory |
http://www.kb.cert.org/vuls/id/871148 | third party advisory us government resource |