An exploitable denial of service vulnerability exists within the handling of challenge packets in FreeRDP 2.0.0-beta1+android11. A specially crafted challenge packet can cause the program termination leading to a denial of service condition. An attacker can compromise the server or use man in the middle to trigger this vulnerability.
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
| Link | Tags |
|---|---|
| http://www.securityfocus.com/bid/99942 | vdb entry broken link |
| https://www.debian.org/security/2017/dsa-3923 | third party advisory vendor advisory |
| https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0340 | third party advisory |