---------------------------------------------------------------------- Bist Du interessiert an einem neuen Job in IT-Sicherheit? Secunia hat zwei freie Stellen als Junior und Senior Spezialist in IT- Sicherheit: http://secunia.com/secunia_vacancies/ ---------------------------------------------------------------------- TITLE: Microsoft Telnet Client Information Disclosure Weakness SECUNIA ADVISORY ID: SA15690 VERIFY ADVISORY: http://secunia.com/advisories/15690/ CRITICAL: Not critical IMPACT: Exposure of system information WHERE: >From remote OPERATING SYSTEM: Microsoft Windows XP Professional http://secunia.com/product/22/ Microsoft Windows XP Home Edition http://secunia.com/product/16/ Microsoft Windows Server 2003 Web Edition http://secunia.com/product/1176/ Microsoft Windows Server 2003 Datacenter Edition http://secunia.com/product/1175/ Microsoft Windows Server 2003 Standard Edition http://secunia.com/product/1173/ Microsoft Windows Server 2003 Enterprise Edition http://secunia.com/product/1174/ SOFTWARE: Microsoft Windows Services for UNIX 2.x http://secunia.com/product/5243/ Microsoft Windows Services for UNIX 3.x http://secunia.com/product/5244/ DESCRIPTION: Gaël Delalleau has reported a weakness has been reported in Microsoft Windows, which can be exploited by malicious people to gain knowledge of various information. The problem is caused due to a design error in the Telnet client when handling the NEW-ENVIRON command. This can be exploited to gain knowledge of the session variables for a user, who has an open connection to a malicious Telnet server. Successful exploitation requires that a user e.g. visits a malicious web site or is tricked into clicking a specially crafted link. SOLUTION: Apply patches. Microsoft Windows XP (requires SP1 or SP2): http://www.microsoft.com/downloads/details.aspx?FamilyId=B8BA775E-E9A7-47E9-81A9-A68A71B9FAAC Microsoft Windows XP 64-Bit Edition for Itanium (requires SP1): http://www.microsoft.com/downloads/details.aspx?FamilyId=C6161D9E-1672-479E-8BAF-754A64DFAB47 Microsoft Windows XP 64-Bit Edition Version 2003 for Itanium : http://www.microsoft.com/downloads/details.aspx?FamilyId=C23A4E16-E228-4A80-A4CB-9DCEF462B97A Microsoft Windows XP Professional x64 Edition: http://www.microsoft.com/downloads/details.aspx?FamilyId=B281550B-8FAE-4FF3-9BB7-E4BA325779B9 Microsoft Windows Server 2003: http://www.microsoft.com/downloads/details.aspx?FamilyId=22095E78-A559-40EA-8B65-9C727F4E752F Microsoft Windows Server 2003 for Itanium-based systems: http://www.microsoft.com/downloads/details.aspx?FamilyId=C23A4E16-E228-4A80-A4CB-9DCEF462B97A Microsoft Windows Server 2003 x64 Edition: http://www.microsoft.com/downloads/details.aspx?FamilyId=DCC6840F-E626-4266-A63A-CDDEC0EC44D6 Microsoft Windows Services for UNIX 3.5 (running on Windows 2000): http://www.microsoft.com/downloads/details.aspx?FamilyId=7c3dd615-b82d-4520-9c3a-376283b01d5b Microsoft Windows Services for UNIX 3.0 (running on Windows 2000): http://www.microsoft.com/downloads/details.aspx?FamilyId=8eaad650-54db-44bc-ac9b-fc8a50f5a3b5 Microsoft Windows Services for UNIX 2.2 (running on Windows 2000): http://www.microsoft.com/downloads/details.aspx?FamilyId=32c4e286-2c4d-491a-9e05-4ca0b055d5dc PROVIDED AND/OR DISCOVERED BY: Gaël Delalleau ORIGINAL ADVISORY: MS05-033 (KB896428): http://www.microsoft.com/technet/security/bulletin/ms05-033.mspx iDEFENSE: http://idefense.com/application/poi/display?id=260&type=vulnerabilities ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------