CVE Vulnerabilities

CVE-2014-2277

Improper Access Control

Published: Oct 17, 2017 | Modified: Feb 04, 2020
CVSS 3.x
7.1
HIGH
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS 2.x
3.6 LOW
AV:L/AC:L/Au:N/C:P/I:P/A:N
RedHat/V2
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:P/A:N
RedHat/V3
Ubuntu
LOW

The make_temporary_filename function in perltidy 20120701-1 and earlier allows local users to obtain sensitive information or write to arbitrary files via a symlink attack, related to use of the tmpnam 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
Perltidy Perltidy_project * 2012-07-01-1 (including)
Perltidy Ubuntu lucid *
Perltidy Ubuntu precise *
Perltidy Ubuntu quantal *
Perltidy Ubuntu saucy *
Perltidy Ubuntu trusty *
Perltidy Ubuntu upstream *

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