Secunia Security Advisory - A vulnerability has been discovered in DriveCrypt, which can be exploited by malicious, local users to gain escalated privileges.
100823168884b3a16a0f371a4c5f47c529b7709342b4b281b8c16fea6a8d8594
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TITLE:
DriveCrypt "DCR.sys" IOCTL Handling Privilege Escalation
Vulnerability
SECUNIA ADVISORY ID:
SA42881
VERIFY ADVISORY:
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http://secunia.com/advisories/42881/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=42881
RELEASE DATE:
2011-01-12
DISCUSS ADVISORY:
http://secunia.com/advisories/42881/#comments
AVAILABLE ON SITE AND IN CUSTOMER AREA:
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* Impact
* Where
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* CVE Reference(s)
http://secunia.com/advisories/42881/
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https://ca.secunia.com/?page=viewadvisory&vuln_id=42881
ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
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DESCRIPTION:
A vulnerability has been discovered in DriveCrypt, which can be
exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to an error in the "DCR.sys" driver
when processing IOCTLs and can be exploited to corrupt memory via a
specially crafted 0x00073800 IOCTL.
Successful exploitation allows execution of arbitrary code in the
kernel.
The vulnerability is confirmed in version 5.4. Other versions may
also be affected.
SOLUTION:
Restrict access to trusted users only.
PROVIDED AND/OR DISCOVERED BY:
mu-b
ORIGINAL ADVISORY:
http://www.digit-labs.org/files/exploits/drivecrypt-dcr.c
OTHER REFERENCES:
Further details available in Customer Area:
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DEEP LINKS:
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EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXTENDED SOLUTION:
Further details available in Customer Area:
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EXPLOIT:
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