CVE-2009-3767
Published Oct 23, 2009
Last updated 4 years ago
Overview
- Description
- 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.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 2.0
- Type
- Primary
- Base score
- 4.3
- Impact score
- 2.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:N/I:P/A:N
Weaknesses
- nvd@nist.gov
- CWE-295
Vendor comments
- Red HatRed Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2009-3767 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.
- OpenLDAPOpenLDAP reported this issue and published a patch for it on 2009-07-30. The patch was included in OpenLDAP 2.4.18 which was released on 2009-09-06. The current release of OpenLDAP is available from the following location: http://www.openldap.org/software/download/
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