Jungo WinDriver up to 12.4.0 Kernel Driver out-of-bounds write

Summaryinfo

A vulnerability marked as critical has been reported in Jungo WinDriver up to 12.4.0. Affected is an unknown function of the component Kernel Driver. This manipulation causes out-of-bounds write. The identification of this vulnerability is CVE-2017-14075. The attack can only be executed locally. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Jungo WinDriver up to 12.4.0 (Hardware Driver Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the component Kernel Driver. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows local attackers to escalate privileges on Jungo WinDriver 12.4.0 and earlier. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the processing of IOCTL 0x953824a7 by the windrvr1240 kernel driver. The issue lies in the failure to properly validate user-supplied data which can result in an out-of-bounds write condition. An attacker can leverage this vulnerability to execute arbitrary code under the context of kernel.

The bug was discovered 09/06/2017. The weakness was shared 09/11/2017 as EDB-ID 42625 as not defined exploit (Exploit-DB). The advisory is shared at exploit-db.com. This vulnerability is known as CVE-2017-14075 since 08/31/2017. An attack has to be approached locally. A single authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

After immediately, there has been an exploit disclosed. It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (42625). The entry VDB-106370 is related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Hardware Driver Software

Vendor

• Jungo

Name

• WinDriver

Version

• 12.0
• 12.1
• 12.2
• 12.3
• 12.4.0

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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