Skype < Multiple Vulnerabilities (uncredentialed check)

Critical Nessus Plugin ID 21209


Arbitrary code can be executed on the remote host.


The remote host is running Skype, a peer-to-peer voice over IP software.

The remote version of this software is vulnerable to a heap overflow in the handling of its data structures. An attacker can exploit this flaw by sending a specially crafted network packet to UDP or TCP ports Skype is listening on. A successful exploitation of this flaw will result in code execution on the remote host.

In addition, Skype has been reported to contain overflows in the handling of VCards and callto/skype URLs. However, Nessus has not checked for them.


Upgrade to skype version or later.

See Also

Plugin Details

Severity: Critical

ID: 21209

File Name: skype_overflow_nw.nasl

Version: $Revision: 1.15 $

Type: remote

Agent: windows

Family: Windows

Published: 2006/04/11

Modified: 2016/12/14

Dependencies: 21208

Risk Information

Risk Factor: Critical


Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:skype:skype

Required KB Items: Services/skype

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 2005/10/26

Reference Information

CVE: CVE-2005-3265, CVE-2005-3267

BID: 15190, 15192

OSVDB: 20306, 20307, 20308

CWE: 119, 189