CVE Vulnerabilities

CVE-2015-1761

Improper Access Control

Published: Jul 14, 2015 | Modified: Oct 12, 2018
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
6.5 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu

Microsoft SQL Server 2008 SP3 and SP4, 2008 R2 SP2 and SP3, 2012 SP1 and SP2, and 2014 uses an incorrect class during casts of unspecified pointers, which allows remote authenticated users to gain privileges by leveraging certain write access, aka SQL Server Elevation of Privilege Vulnerability.

Weakness

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Affected Software

Name Vendor Start Version End Version
Sql_server Microsoft 2008-r2_sp2 (including) 2008-r2_sp2 (including)
Sql_server Microsoft 2008-r2_sp3 (including) 2008-r2_sp3 (including)
Sql_server Microsoft 2008-sp3 (including) 2008-sp3 (including)
Sql_server Microsoft 2008-sp4 (including) 2008-sp4 (including)
Sql_server Microsoft 2012-sp1 (including) 2012-sp1 (including)
Sql_server Microsoft 2012-sp2 (including) 2012-sp2 (including)
Sql_server Microsoft 2014 (including) 2014 (including)

Extended Description

Access control involves the use of several protection mechanisms such as:

When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses:

Potential Mitigations

  • Compartmentalize the system to have “safe” areas where trust boundaries can be unambiguously drawn. Do not allow sensitive data to go outside of the trust boundary and always be careful when interfacing with a compartment outside of the safe area.
  • Ensure that appropriate compartmentalization is built into the system design, and the compartmentalization allows for and reinforces privilege separation functionality. Architects and designers should rely on the principle of least privilege to decide the appropriate time to use privileges and the time to drop privileges.

References