ZDI-08-042: Sun Java Web Start Sandbox Bypass Vulnerability

2008-07-18T00:00:00
ID SECURITYVULNS:DOC:20176
Type securityvulns
Reporter Securityvulns
Modified 2008-07-18T00:00:00

Description

ZDI-08-042: Sun Java Web Start Sandbox Bypass Vulnerability http://www.zerodayinitiative.com/advisories/ZDI-08-042 July 17, 2008

-- Affected Vendors: Sun Microsystems

-- Affected Products: Sun Microsystems Java Runtime

-- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability by Digital Vaccine protection filter ID 6251, 6252, 5527. For further product information on the TippingPoint IPS, visit:

http://www.tippingpoint.com

-- Vulnerability Details: This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Sun Java Web Start. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.

The specific flaw exists in the writeManifest() method of the CacheEntry class. A directory traversal flaw in this method allows the creation of arbitrary files on the target system. After the file has been created, a call to Runtime.getRuntime.exec() can be used to execute the file.

-- Vendor Response: Sun Microsystems has issued an update to correct this vulnerability. More details can be found at:

http://sunsolve.sun.com/search/document.do?assetkey=1-26-238905-1

-- Disclosure Timeline: 2008-05-05 - Vulnerability reported to vendor 2008-07-17 - Coordinated public release of advisory

-- Credit: This vulnerability was discovered by: * Peter Csepely

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