SB2016032408 - Timing attack in py-django (Alpine package)



SB2016032408 - Timing attack in py-django (Alpine package)

Published: March 24, 2016

Security Bulletin ID SB2016032408
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Timing attack (CVE-ID: CVE-2016-2513)

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists in the password hasher in contrib/auth/hashers.py due to creating a timing difference between a login request for a user with a password encoded in an older number of iterations and login request for a nonexistent user. A remote attacker can enumerate users via a timing attack involving login requests.

Remediation

Install update from vendor's website.