User SID can be modified resulting in an Arbitrary File Upload or deletion of directories causing a Denial of Service. When interacting in a normal matter with the Sametime chat application, users hold a cookie containing their session ID (SID). This value is also used when sending chat messages, receiving notifications and/or transferring files.
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.
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
| Link | Tags |
|---|---|
| https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0097430 | vendor advisory |