Ipswitch Collaboration Suite Code Execution Vulnerability

Risk: Medium
Local: No
Remote: Yes
CWE: CWE-Other

CVSS Base Score: 6.5/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8/10
Exploit range: Remote
Attack complexity: Low
Authentication: Single time
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

ZDI-06-003: Ipswitch Collaboration Suite Code Execution Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-06-003.html March 13, 2006 -- CVE ID: CVE-2005-3526 -- Affected Vendor: Ipswitch -- Affected Products: Ipswitch Collaboration Suite 2006.02 and below -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability since December 13, 2005 by Digital Vaccine protection filter ID 3982. For further product information on the TippingPoint IPS: http://www.tippingpoint.com -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Ipswitch Collaboration Suite. Authentication is required to exploit this vulnerability. This specific flaw exists within the IMAP daemon. A lack of bounds checking during the parsing of long arguments to the FETCH verb can result in an exploitable buffer overflow. -- Vendor Response: From http://www.ipswitch.com/support/ics/updates/ics200603prem.asp: "IMAP: Corrected a vulnerability issue where a properly crafted Fetch command causes IMAP to crash with a buffer overflow (disclosed by TippingPoint, a division of 3Com)." -- Disclosure Timeline: 2005.12.13 - Vulnerability reported to vendor 2005.12.13 - Digital Vaccine released to TippingPoint customers 2006.03.13 - Public release of advisory -- Credit: This vulnerability was discovered by Manuel Santamarina Suarez aka 'FistFuXXer'. -- About the Zero Day Initiative (ZDI): Established by TippingPoint, a division of 3Com, The Zero Day Initiative (ZDI) represents a best-of-breed model for rewarding security researchers for responsibly disclosing discovered vulnerabilities. Researchers interested in getting paid for their security research through the ZDI can find more information and sign-up at: http://www.zerodayinitiative.com The ZDI is unique in how the acquired vulnerability information is used. 3Com does not re-sell the vulnerability details or any exploit code. Instead, upon notifying the affected product vendor, 3Com provides its customers with zero day protection through its intrusion prevention technology. Explicit details regarding the specifics of the vulnerability are not exposed to any parties until an official vendor patch is publicly available. Furthermore, with the altruistic aim of helping to secure a broader user base, 3Com provides this vulnerability information confidentially to security vendors (including competitors) who have a vulnerability protection or mitigation product.

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