Advisory Details

January 17th, 2019

Oracle VirtualBox crUnpackExtendGetAttribLocation Out-Of-Bounds Read Information Disclosure Vulnerability

CVE ID	CVE-2019-2525
CVSS SCORE	5.6, AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
AFFECTED VENDORS	Oracle
AFFECTED PRODUCTS	VirtualBox
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information on vulnerable installations of Oracle VirtualBox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the crUnpackExtendGetAttribLocation method. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the hypervisor.
ADDITIONAL DETAILS	Oracle has issued an update to correct this vulnerability. More details can be found at: https://www.oracle.com/technetwork/security-advisory/cpujan2019-5072801.html
DISCLOSURE TIMELINE	2018-10-04 - Vulnerability reported to vendor 2019-01-17 - Coordinated public release of advisory
CREDIT	Jason Matthyser (@pleasew8t) of MWR Labs

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