Microsoft Windows Address Book (WAB) File Format Parsing Vulnerability

2006-04-11 / 2006-04-12
Risk: Medium
Local: Yes
Remote: Yes
CWE: CWE-Other

CVSS Base Score: 5.1/10
Impact Subscore: 6.4/10
Exploitability Subscore: 4.9/10
Exploit range: Remote
Attack complexity: High
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

ZDI-06-007: Microsoft Windows Address Book (WAB) File Format Parsing Vulnerability April 11, 2006 -- CVE ID: CVE-2006-0014 -- Affected Vendor: Microsoft -- Affected Products: Windows XP SP2 Windows 2000 SP4 -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability since April 3, 2006 by Digital Vaccine protection filter ID 3794, 4291,4293. For further product information on the TippingPoint IPS: -- Vulnerability Details: This vulnerability allows attackers to execute arbitrary code on vulnerable installations of the Microsoft Windows operating system. User interaction is required to exploit this vulnerability. The specific flaw exists during the parsing of malformed Windows Address Book (.WAB) files. Modification of the length value of certain Unicode strings within this file format results in an exploitable heap corruption. -- Vendor Response: Microsoft has issued an update to correct this vulnerability. More details can be found at: -- Disclosure Timeline: 2005.09.20 - Vulnerability reported to vendor 2006.04.03 - Digital Vaccine released to TippingPoint customers 2006.04.10 - Vulnerability information provided to ZDI security partners 2006.04.11 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by Stuart Pearson - Computer Terrorism (UK). -- 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: 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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