Vulnerabilities
Misconfiguration
Runtime Security
Compliance
CVE Vulnerabilities

CVE-2015-2559

Improper Access Control

Published: Mar 25, 2015 | Modified: Feb 05, 2019
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
3.5 LOW
AV:N/AC:M/Au:S/C:N/I:P/A:N
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2015-2559
CWEhttps://cwe.mitre.org/data/definitions/284.html

Drupal 6.x before 6.35 and 7.x before 7.35 allows remote authenticated users to reset the password of other accounts by leveraging an account with the same password hash as another account and a crafted password reset URL.

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
Debian_linux Debian 7.0 (including) 7.0 (including)
Drupal6 Ubuntu lucid *
Drupal6 Ubuntu precise *
Drupal6 Ubuntu upstream *
Drupal7 Ubuntu precise *
Drupal7 Ubuntu trusty *
Drupal7 Ubuntu trusty/esm *
Drupal7 Ubuntu upstream *
Drupal7 Ubuntu utopic *

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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