Vulnerability CVE-2007-4429
Published: 2007-08-20   Modified: 2012-02-12

Description:
Unspecified vulnerability in Skype allows remote attackers to cause a denial of service (server hang) via unknown vectors related to sending long URIs, as claimed to be actively exploited on 20070817 using a "call to a specific number." NOTE: this identifier is for the en.securitylab.ru disclosure. According to the vendor, this issue is separate from the "sign-on issues" that reduced Skype service on 20070817, which appears to be a site-specific problem. As of 20070821, it is not clear whether this issue is simply a symptom of the larger sign-on problem.

See advisories in our WLB2 database:
Topic
Author
Date
Low
Skype Network Remote DoS Exploit
Valery Marchuk
21.08.2007

Type:

CWE-noinfo

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Skype technologies -> Skype 

 References:
http://blogs.csoonline.com/the_skype_mystery_why_blame_the_august_windows_updates
http://en.securitylab.ru/poc/301420.php
http://en.securitylab.ru/poc/extra/301419.php
http://heartbeat.skype.com/2007/08/what_happened_on_august_16.html
http://heartbeat.skype.com/2007/08/where_we_are_at_1100_gmt.html
http://securityreason.com/securityalert/3032
http://www.securityfocus.com/archive/1/476942/100/0/threaded
http://www.securityfocus.com/archive/1/477156/100/0/threaded
http://www.securityfocus.com/archive/1/477178/100/0/threaded
http://www.securityfocus.com/archive/1/477240/100/0/threaded
http://www.securitylab.ru/news/301422.php
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