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Vulnerability record · CVE-2008-2545 · published 6 June 2008

CVE-2008-2545: Skype technologies skype improper input validation vulnerability

Skype Technologies · Skype

Skype 3.6.0.248, and other versions before 3.8.0.139, uses a case-sensitive comparison when checking for dangerous extensions, which allows user-assisted remote attackers to bypass warning dialogs and possibly execute arbitrary code via a file: URI with a dangerous extension that uses a different case.

9.3 CVSS 2.0 High EPSS 4.2% · top 9.3% CWE-20 · Improper input validation
9.3CVSS 2.0 base score
4.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

Skype 3.6.0.248, and other versions before 3.8.0.139, uses a case-sensitive comparison when checking for dangerous extensions, which allows user-assisted remote attackers to bypass warning dialogs and possibly execute arbitrary code via a file: URI with a dangerous extension that uses a different case.

AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=711
http://secunia.com/advisories/30547
http://www.securityfocus.com/bid/29553
http://www.securitytracker.com/id?1020201
http://www.skype.com/security/skype-sb-2008-003.html Patch
http://www.vupen.com/english/advisories/2008/1749/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/43044
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=711
http://secunia.com/advisories/30547
http://www.securityfocus.com/bid/29553
http://www.securitytracker.com/id?1020201
http://www.skype.com/security/skype-sb-2008-003.html Patch
http://www.vupen.com/english/advisories/2008/1749/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/43044

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2005-3267Skype technologies skype vulnerabilityInteger overflow in Skype client before 1.4.x.84 on Windows, before 1.3.x.17 on Mac OS, before 1.2.x.18 on Linux, and 1.1.x.6 and earlier allows remo…EPSS 7.3%9.3CVE-2008-1805Skype technologies skype improper input validation vulnerabilityIncomplete blacklist vulnerability in Skype 3.6.0.248, and other versions before 3.8.0.139, allows user-assisted remote attackers to bypass warning d…EPSS 3.9%9.3CVE-2008-0454Microsoft internet explorer cross-site scripting vulnerabilityCross-zone scripting vulnerability in the Internet Explorer web control in Skype 3.6.0.244, and earlier 3.5.x and 3.6.x versions, on Windows allows u…EPSS 25%9.3CVE-2005-3265Skype technologies skype memory buffer overflow vulnerabilityBuffer overflow in Skype for Windows 1.1.x.0 through 1.4.x.83 allows remote attackers to execute arbitrary code via (1) callto:// and (2) skype:// li…EPSS 5.9%9.3CVE-2004-1114Skype technologies skype memory buffer overflow vulnerabilityBuffer overflow in the handling of command line arguments in Skype 1.0.x.94 through 1.0.x.98 allows remote attackers to execute arbitrary code via a …EPSS 5.7%7.5CVE-2006-5084Skype technologies skype improper input validation vulnerabilityFormat string vulnerability in the NSRunAlertPanel function in eBay Skype for Mac 1.5.*.79 and earlier allows remote attackers to cause a denial of s…EPSS 16%6.8CVE-2007-5989Skype technologies skype memory buffer overflow vulnerabilityUnspecified vulnerability in the skype4com URI handler in Skype before 3.6 GOLD allows remote attackers to execute arbitrary code via "short string v…EPSS 4.4%5.0CVE-2007-4429Skype technologies skype vulnerabilityUnspecified vulnerability in Skype allows remote attackers to cause a denial of service (server hang) via unknown vectors related to sending long URI…EPSS 2.2%

Source: NIST National Vulnerability Database (record CVE-2008-2545), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.