CVE-2009-3767
The MITRE CVE dictionary describes this issue as:
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.
Find out more about CVE-2009-3767 from the MITRE CVE dictionary dictionary and NIST NVD.
Statement
This issue was addressed in the openldap packages as shipped with Red Hat Enterprise Linux 5 and 4 via: https://rhn.redhat.com/errata/RHSA-2010-0198.html and https://rhn.redhat.com/errata/RHSA-2010-0543.html respectively.
The Red Hat Security Response Team has rated this issue as having moderate security impact, a future openldap update may address this flaw in Red Hat Enterprise Linux 3.
CVSS v2 metrics
| Base Score | 2.6 |
|---|---|
| Base Metrics | AV:N/AC:H/Au:N/C:N/I:P/A:N |
| Access Vector | Network |
| Access Complexity | High |
| Authentication | None |
| Confidentiality Impact | None |
| Integrity Impact | Partial |
| Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Red Hat Security Errata
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 4 (openldap) | RHSA-2010:0543 | 2010-07-20 |
| Red Hat Enterprise Linux 5 (openldap) | RHSA-2010:0198 | 2010-03-29 |
| Red Hat JBoss Web Server 1.0 | RHSA-2011:0896 | 2011-06-22 |
Affected Packages State
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 6 | openldap | Will not fix |
| Red Hat Enterprise Linux 3 | openldap | Will not fix |
CVE description copyright © 2017, The MITRE Corporation