CVE-2017-7551

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2017-7551
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 password attempts.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References
Link Resource
https://access.redhat.com/errata/RHSA-2017:2569
https://pagure.io/389-ds-base/issue/49336 Exploit Patch Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:fedoraproject:389_directory_server:1.3.5.19:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.3.6.7:*:*:*:*:*:*:*
History

12 Feb 2023, 23:31

Type Values Removed Values Added
Summary A flaw was found in the way 389-ds-base handled authentication attempts against locked accounts. A remote attacker could potentially use this flaw to continue password brute-forcing attacks against LDAP accounts, thereby bypassing the protection offered by the directory server's password lockout policy. 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 password attempts.
CWE CWE-640 CWE-209
References
  • {'url': 'https://access.redhat.com/security/cve/CVE-2017-7551', 'name': 'https://access.redhat.com/security/cve/CVE-2017-7551', 'tags': [], 'refsource': 'MISC'}
  • {'url': 'https://bugzilla.redhat.com/show_bug.cgi?id=1477669', 'name': 'https://bugzilla.redhat.com/show_bug.cgi?id=1477669', 'tags': [], 'refsource': 'MISC'}

02 Feb 2023, 21:17

Type Values Removed Values Added
References
  • (MISC) https://access.redhat.com/security/cve/CVE-2017-7551 -
  • (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1477669 -
Summary 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 password attempts. A flaw was found in the way 389-ds-base handled authentication attempts against locked accounts. A remote attacker could potentially use this flaw to continue password brute-forcing attacks against LDAP accounts, thereby bypassing the protection offered by the directory server's password lockout policy.
Information

Published : 2017-08-16 18:29

Updated : 2023-12-10 12:15

NVD link : CVE-2017-7551

Mitre link : CVE-2017-7551

CVE.ORG link : CVE-2017-7551

JSON object : View

Products Affected

fedoraproject

  • 389_directory_server
CWE
CWE-209

Generation of Error Message Containing Sensitive Information

CWE-640

Weak Password Recovery Mechanism for Forgotten Password