Access Token Guessing Vulnerability in Context Module for Drupal

CVE-2013-4445 · MEDIUM Severity

AV:N/AC:M/AU:S/C:P/I:P/A:N

The json rendering functionality in the Context module 6.x-2.x before 6.x-3.2 and 7.x-3.x before 7.x-3.0 for Drupal uses Drupal's token scheme to restrict access to blocks, which makes it easier for remote authenticated users to guess the access token for a block by leveraging the token from a block to which the user has access.

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