20306 : Skype Crafted UDP Packet Remote Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
4	313	over 4 years ago	over 2 years ago	0 times	100%

Timeline

Discovery Date	Disclosure Date
2005-10-18	2005-10-25

Description

A remote overflow exists in Skype. The application fails to validate the user-controlled length of a UDP packet resulting in a heap overflow. With a specially crafted UDP packet, an attacker can cause arbitrary code execution resulting in a loss of integrity.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Rumored
Disclosure: OSVDB Verified

Technical

The appropriate upgrade per platform is listed below.

Skype for Windows:
Release 1.4.*.84 or later

Skype for Mac OS X:
Release 1.3.*.17 or later

Skype for Linux:
Release 1.1.*.20 or later

Skype for Pocket PC:
No patch is yet available.

Solution

Upgrade to the appropriate fixed version, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Skype Technologies S.A.	Skype for Windows	1.4.*.83
	Skype for Mac OS X	1.3.*.16
	Skype for Linux	1.2.*.17
	Skype for Pocket PC	1.1.*.6

References

Bugtraq ID: 15192
Secunia Advisory ID: 17305
SCIP VulDB ID: 1837
CVE ID: 2005-3267 (see also: NVD)
ISS X-Force ID: 22850
CERT VU: 905177
VUPEN Advisory: ADV-2005-2197
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2005-10/0284.html
Packet Storm: http://packetstormsecurity.org/0510-advisories/skypeRealData.txt
Vendor Specific Advisory URL: http://www.skype.com/security/skype-sb-2005-03.html
Generic Informational URL: http://www.theregister.co.uk/2005/10/25/skype_vuln/

Tools & Filters

	20090 21209
	3268

Credit

EADS Corporate Research Center - EADS Corporate Research Center

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2005-10-27 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

None found at this time

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