CVE-2009-3767
MEDIUM severity · CVSS 4.3 · CWE-295
4.3CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impact—
Availability impactNone
Exploit probability (EPSS)3%
AV:N/AC:M/Au:N/C:N/I:P/A:N
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.htmlAdvisory
- http://lists.fedoraproject.org/pipermail/package-announce/2010-March/036138.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.htmlAdvisory
- http://marc.info/?l=oss-security&m=125198917018936&w=2Advisory
- http://marc.info/?l=oss-security&m=125369675820512&w=2Advisory
- http://secunia.com/advisories/38769Advisory
- http://secunia.com/advisories/40677Advisory
- http://security.gentoo.org/glsa/glsa-201406-36.xmlAdvisory