Improper Certificate Validation Affecting openldap.org package, versions [,2.4.18)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.26% (67th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-UNMANAGED-OPENLDAPORG-2318877
  • published14 Dec 2021
  • disclosed23 Oct 2009
  • creditUnknown

Introduced: 23 Oct 2009

CVE-2009-3767  (opens in a new tab)
CWE-295  (opens in a new tab)

How to fix?

Upgrade openldap.org to version 2.4.18 or higher.

Overview

Affected versions of this package are vulnerable to Improper Certificate Validation libraries/libldap/tls_o.c in OpenLDAP 2.2 and 2.4, and possibly other versions, when OpenSSL is used, does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

References

CVSS Scores

version 3.1