CVE-2017-16922 [Suggested Description] --------------------------------------- Transversal of directory structure and retrieval of file via a remote, specifically crated HTTP request --------------------------------------- [Vulnerability Type] Directory Traversal --------------------------------------- [Vendor of Product] Wowza Media Systems LLC --------------------------------------- [Affected Product Code Base] Wowza Streaming Engine - All versions from 4.7.0 and prior, Issue fixed in 4.7.1 --------------------------------------- [Affected Component] HTTP Provider within the VHost.xml configuration, specifically the HTTP Provider com.wowza.wms.timedtext.http.HTTPProviderCaptionFile --------------------------------------- [Attack Type] Remote --------------------------------------- [Impact Code Execution] false --------------------------------------- [Impact Denial of Service] true --------------------------------------- [Attack Vector] Using a specifically crafted HTTP requested using a TTML extension --------------------------------------- [Has the vendor confirmed or acknowledged the vulnerability?] true