Novell NetMail IMAP APPEND Buffer Overflow Vulnerability

2006.12.29
Risk: High
Local: Yes
Remote: Yes
CWE: CWE-Other


Ogólna skala CVSS: 9/10
Znaczenie: 10/10
Łatwość wykorzystania: 8/10
Wymagany dostęp: Zdalny
Złożoność ataku: Niska
Autoryzacja: Jednorazowa
Wpływ na poufność: Pełny
Wpływ na integralność: Pełny
Wpływ na dostępność: Pełny

ZDI-06-054: Novell NetMail IMAP APPEND Buffer Overflow Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-06-054.html December 22, 2006 -- CVE ID: CVE-2006-6425 -- Affected Vendor: Novell -- Affected Products: Novell NetMail 3.5.2 -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability since December 21, 2006 by Digital Vaccine protection filter ID 3868. For further product information on the TippingPoint IPS: http://www.tippingpoint.com -- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on affected installations of Novell NetMail. Successful exploitation requires the attacker to successfully authenticate to the affected service. The specific flaw exists in the NetMail IMAP server's handling of the APPEND command. A lack of bounds checking on a specific parameter to this command can lead to a stack-based buffer overflow. This vulnerability can be exploited to execute arbitrary code. -- Vendor Response: Novell has issued an update to correct this vulnerability. More details can be found at: http://www.novell.com/support/search.do?cmd=displayKC&externalId=3096026 &sliceId=SAL_Public -- Disclosure Timeline: 2006.08.14 - Vulnerability reported to vendor 2006.12.21 - Digital Vaccine released to TippingPoint customers 2006.12.22 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by an anonymous researcher. -- 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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