Vulnerability in Apple Mac Os X
CVE-2009-3767
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.
Vulnerability class: Improper Certificate Validation
EPSS: 0.031 (86.4th percentile) — read the EPSS interpretation.
Affected products
- Apple Mac_os_x
- Openldap
- Openssl
- Fedoraproject Fedora — versions 11
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, x_refsource_FEDORA, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- cve@mitre.org (signature, x_refsource_OVAL, Third Party Advisory, vdb-entry)
- cve@mitre.org (Third Party Advisory, vdb-entry, x_refsource_VUPEN)
- cve@mitre.org (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
- cve@mitre.org (signature, x_refsource_OVAL, Third Party Advisory, vdb-entry)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- cve@mitre.org (Third Party Advisory, vdb-entry, x_refsource_VUPEN)
- cve@mitre.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2009-3767?
- CVE-2009-3767 is a vulnerability in Apple Mac Os X, classified under Improper Certificate Validation. Published 2009-10-23.
- Is CVE-2009-3767 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.