CVE-2017-7551CWE-209

389-ds-base version before 1.3.5.19 and 1.3.6.7 are vulnerable to password brute-force attacks during account lockout due to different return codes returned on…

published August 16, 2017

CVSS
β€”
EPSS
1%
Percentile
72.6
In the wild
Unconfirmed
What it is

⚠️ Password brute-force attacks just got a little too convenient! In 389-ds-base versions prior to 1.3.5.19 and 1.3.6.7, differing return codes during account lockout can give attackers a sneaky advantage. πŸ” Think of it like a game of telephone where each wrong answer gives you a hint about the correct one β€” a clue that could lead to unlocking the door with minimal effort! πŸ“ž With this vulnerability, an attacker could exploit the inconsistent return codes to guess passwords more efficiently, potentially gaining unauthorized access to accounts. If someone's locked out, they might be just a few clever guesses away from having their accounts compromised!

Put simply

Think of it like a game of telephone where each wrong answer gives you a hint about the correct one β€” a clue that could lead to unlocking the door with minimal effort! πŸ“ž This vulnerability allows attackers to perform brute-force attacks on user accounts because the server returns different codes based on password attempts, revealing whether the account is locked or not.

What to do

With this vulnerability, an attacker could exploit the inconsistent return codes to guess passwords more efficiently, potentially gaining unauthorized access to accounts. If someone's locked out, they might be just a few clever guesses away from having their accounts compromised! To protect against this vulnerability, immediately upgrade to version 1.3.5.19 or 1.3.6.7 or later. Additionally, implement account lockout policies that do not provide feedback on account status to minimize the information attackers can gather. You've got this! Follow these steps, and you'll reinforce your defenses against those pesky brute-forcers! πŸ›‘οΈ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01418 Β· 72.6th percentile
Weakness
CWE-209 Β· Generation of Error Message Containing Sensitive Information
Published
2017-08-16T18:00Z
EPSS history
Timeline
  • 16 AUG 18:00Z
    389-ds-base version before 1.3.5.19 and 1.3.6.7 are vulnerable to password brute-force attacks during account lockout due to different return codes returned on…
    cvelistv5