Vulnerabilidades

Skype for Android stores sensitive user data without encryption in sqlite3 databases that have weak permissions, which allows local applications to read user IDs, contacts, phone numbers, date of birth, instant message logs, and other private information.

Untrusted search path vulnerability in Skype 4.2.0.169 and earlier allows local users, and possibly remote attackers, to execute arbitrary code and conduct DLL hijacking attacks via a Trojan horse wab32.dll that is located in the same folder as a .skype file.

Unspecified vulnerability in the Extras Manager before 2.0.0.67 in Skype before 4.1.0.179 on Windows has unknown impact and attack vectors.

The skype_tool.copy_num method in the Skype extension BETA 2.2.0.95 for Firefox allows remote attackers to write arbitrary data to the clipboard via a string argument.

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.

Incomplete blacklist vulnerability in Skype 3.6.0.248, and other versions before 3.8.0.139, allows user-assisted remote attackers to bypass warning dialogs and possibly execute arbitrary code via a file: URI that ends in an executable extension that is not covered by the blacklist.

Cross-zone scripting vulnerability in the Internet Explorer web control in Skype 3.1 through 3.6.0.244 on Windows allows remote attackers to inject arbitrary web script or HTML in the Local Machine Zone via the Full Name field of a reviewer of a business item entry, accessible through (1) the SkypeFind dialog and (2)…

Cross-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 user-assisted remote attackers to inject arbitrary web script or HTML in the Local Machine Zone via the Description and unspecified other metadata fields of a Metacafe…

Cross-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 user-assisted remote attackers to inject arbitrary web script or HTML in the Local Machine Zone via the Title field of a (1) Dailymotion and possibly (2) Metacafe movie in…

Unspecified vulnerability in the skype4com URI handler in Skype before 3.6 GOLD allows remote attackers to execute arbitrary code via "short string values" that result in heap corruption.

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…

Format string vulnerability in the NSRunAlertPanel function in eBay Skype for Mac 1.5.*.79 and earlier allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a malformed Skype URL, as originally reported to involve a null dereference.

The FiWin SS28S WiFi VoIP SIP/Skype Phone, firmware version 01_02_07, has a hard-coded username and password, which allows remote attackers to gain administrative access via telnet.

Argument injection vulnerability in the URI handler in Skype 2.0.*.104 and 2.5.*.0 through 2.5.*.78 for Windows allows remote authorized attackers to download arbitrary files via a URL that contains certain command-line switches.

Buffer 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:// links, or (3) a non-standard VCARD, possibly due to an underlying error in the SysUtils.WideFmtStr Delphi routine.

Integer 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 remote attackers to cause a denial of service (crash) via crafted network data with a large Object Counter value, which leads to a resultant heap-based buffer overflow.

Skype 1.1.0.20 and earlier allows local users to overwrite arbitrary files via a symlink attack on the skype_profile.jpg temporary file.

Skype for Windows 1.2.0.0 to 1.2.0.46 allows local users to bypass the identity check for an authorized application, then call arbitrary Skype API functions by modifying or replacing that application.

Buffer 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 callto:// URL with a long non-existent username, a different vulnerability than CVE-2004-1777.

A "range check error" in Skype for Windows before 0.98.0.28 allows local and remote attackers to cause a denial of service (application crash) via long command line arguments or a long callto:// URL, a different vulnerability than CVE-2004-1114.

Skype 0.92.0.12 and 1.0.0.1 for Linux, and possibly other versions, creates the /usr/share/skype/lang directory with world-writable permissions, which allows local users to modify language files and possibly conduct social engineering or other attacks.