CVE-2016-4306 — MEDIUM (5.5)

Vulnerability Description

Multiple information leaks exist in various IOCTL handlers of the Kaspersky Internet Security KLDISK driver. Specially crafted IOCTL requests can cause the driver to return out-of-bounds kernel memory, potentially leaking sensitive information such as privileged tokens or kernel memory addresses that may be useful in bypassing kernel mitigations. An unprivileged user can run a program from user-mode to trigger this vulnerability.

CVSS Score

5.5

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Kaspersky	Total Security	16.0.0.614

Related Weaknesses (CWE)

CWE-200

References

http://www.securitytracker.com/id/1036702
http://www.securitytracker.com/id/1036703
http://www.talosintelligence.com/reports/TALOS-2016-0168/ExploitTechnical DescriptionThird Party Advisory
http://securitytracker.com/id/1036702Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036702
http://www.securitytracker.com/id/1036703
http://www.talosintelligence.com/reports/TALOS-2016-0168/ExploitTechnical DescriptionThird Party Advisory

FAQ

What is CVE-2016-4306?

CVE-2016-4306 is a vulnerability with a CVSS score of 5.5 (MEDIUM). Multiple information leaks exist in various IOCTL handlers of the Kaspersky Internet Security KLDISK driver. Specially crafted IOCTL requests can cause the driver to return out-of-bounds kernel memory...

How severe is CVE-2016-4306?

CVE-2016-4306 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2016-4306?

Check the references section above for vendor advisories and patch information. Affected products include: Kaspersky Total Security.