Skype Network Remote DoS Exploit

Risk: Low
Local: No
Remote: Yes
CWE: CWE-noinfo

CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

Hi all! On forum an exploit code was published by an anonymous user. Reportedly it must have caused Skype massive disconnections today. The PoC uses standard Skype client to call to a specific number. This call causes denial of service of current Skype server and forces Skype to reconnect to another server. The new server also "freezes" and so on ... the entire network. Liks: PoC: Best regards, Valery Marchuk

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