CVE-2011-5239 Weak cryptography in n/a
Man-in-the-middle attackers can spoof SSL servers due to missing hostname verification in CiviCRM, compromising data confidentiality.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2011-5239?
CVE-2011-5239 is a medium-severity vulnerability in n/a, published on 6 Nov 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
CiviCRM 4.0.5 and 4.1.1 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
Weakness: CWE-20
Which versions are affected by CVE-2011-5239?
It affects 1 product.
Products include Civicrm Civicrm.
How do I fix CVE-2011-5239?
No fix has been published for CVE-2011-5239 yet. Limit exposure of the affected software until one is available.
Is CVE-2011-5239 being exploited?
There is no known exploitation of CVE-2011-5239 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-33p2-5mfj-r94r.