CVE-2009-3767: Medium severity apple ios and macos vulnerability
libraries/libldap/tlso.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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2009-3767?
The severity of CVE-2009-3767 is classified as medium, allowing for man-in-the-middle attacks due to improper handling of a '\0' character.
How do I fix CVE-2009-3767?
To fix CVE-2009-3767, users should upgrade to OpenLDAP version 2.4.18 or later.
Which software is affected by CVE-2009-3767?
CVE-2009-3767 affects OpenLDAP versions 2.2 and 2.4, as well as certain versions of macOS and Fedora.
What kind of attack does CVE-2009-3767 facilitate?
CVE-2009-3767 facilitates man-in-the-middle attacks allowing attackers to spoof SSL servers.
Is OpenSSL directly vulnerable due to CVE-2009-3767?
No, OpenSSL itself is not directly vulnerable as part of CVE-2009-3767, but it is related to the issue with OpenLDAP.