Vulnerabilities
Misconfiguration
Runtime Security
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CVE Vulnerabilities

CVE-2016-7032

Improper Access Control

Published: Apr 14, 2017 | Modified: Sep 30, 2020
CVSS 3.x
7
HIGH
Source:
NVD
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
6.9 MEDIUM
AV:L/AC:M/Au:N/C:C/I:C/A:C
RedHat/V2
6.6 MODERATE
AV:L/AC:M/Au:S/C:C/I:C/A:C
RedHat/V3
6.4 MODERATE
CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Ubuntu
NEGLIGIBLE
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2016-7032
CWEhttps://cwe.mitre.org/data/definitions/284.html

sudo_noexec.so in Sudo before 1.8.15 on Linux might allow local users to bypass intended noexec command restrictions via an application that calls the (1) system or (2) popen function.

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
Sudo Todd_miller 1.6.8 (including) 1.6.8 (including)
Sudo Todd_miller 1.6.9 (including) 1.6.9 (including)
Sudo Todd_miller 1.7.0 (including) 1.7.0 (including)
Sudo Todd_miller 1.7.1 (including) 1.7.1 (including)
Sudo Todd_miller 1.7.2 (including) 1.7.2 (including)
Sudo Todd_miller 1.7.3 (including) 1.7.3 (including)
Sudo Todd_miller 1.7.4 (including) 1.7.4 (including)
Sudo Todd_miller 1.7.5 (including) 1.7.5 (including)
Sudo Todd_miller 1.7.6 (including) 1.7.6 (including)
Sudo Todd_miller 1.7.7 (including) 1.7.7 (including)
Sudo Todd_miller 1.7.8 (including) 1.7.8 (including)
Sudo Todd_miller 1.7.9 (including) 1.7.9 (including)
Sudo Todd_miller 1.7.10 (including) 1.7.10 (including)
Sudo Todd_miller 1.8.0 (including) 1.8.0 (including)
Sudo Todd_miller 1.8.1 (including) 1.8.1 (including)
Sudo Todd_miller 1.8.2 (including) 1.8.2 (including)
Sudo Todd_miller 1.8.3 (including) 1.8.3 (including)
Sudo Todd_miller 1.8.4 (including) 1.8.4 (including)
Sudo Todd_miller 1.8.5 (including) 1.8.5 (including)
Sudo Todd_miller 1.8.6 (including) 1.8.6 (including)
Sudo Todd_miller 1.8.7 (including) 1.8.7 (including)
Sudo Todd_miller 1.8.8 (including) 1.8.8 (including)
Sudo Todd_miller 1.8.9 (including) 1.8.9 (including)
Sudo Todd_miller 1.8.10 (including) 1.8.10 (including)
Sudo Todd_miller 1.8.11 (including) 1.8.11 (including)
Sudo Todd_miller 1.8.12 (including) 1.8.12 (including)
Sudo Todd_miller 1.8.13 (including) 1.8.13 (including)
Sudo Todd_miller 1.8.14-p3 (including) 1.8.14-p3 (including)
Red Hat Enterprise Linux 6 RedHat sudo-0:1.8.6p3-25.el6_8 *
Red Hat Enterprise Linux 7 RedHat sudo-0:1.8.6p7-21.el7_3 *
Sudo Ubuntu precise *
Sudo Ubuntu precise/esm *
Sudo Ubuntu trusty *
Sudo Ubuntu trusty/esm *
Sudo Ubuntu upstream *
Sudo Ubuntu vivid/stable-phone-overlay *
Sudo Ubuntu vivid/ubuntu-core *

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

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