SB2016110815 - Local Security Authority Subsystem Service Denial of Service Vulnerability

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2016110815

SB2016110815 - Local Security Authority Subsystem Service Denial of Service Vulnerability

Published: November 8, 2016

Security Bulletin ID SB2016110815
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2016-7237)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green


The vulnerability allows a remote attacker to cause denial of service.

The vulnerability exists due to NULL pointer dereference error when parsing SMB packets within Local Security Authority Subsystem Service (LSASS). A remote authenticated attacker can send specially crafted requests to vulnerable service and cause the target system to become non-responsive.

Successful exploitation of the vulnerability will result in denial of service (DoS).


Remediation

Install update from vendor's website.

References