CVE-2015-3996

Description

The default AFSecurityPolicy.validatesDomainName configuration for AFSSLPinningModeNone in the AFNetworking framework before 2.5.3, as used in the ownCloud iOS Library, disables verification of a server hostname against the domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.21%
Vendor Advisory owncloud.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/AFNetworking/AFNetworking/issues/2619
https://owncloud.org/security/advisory/?id=oc-sa-2015-012 vendor advisory
https://github.com/AFNetworking/AFNetworking/releases/tag/2.5.3
http://www.securityfocus.com/bid/76242 vdb entry

Frequently Asked Questions

What is the severity of CVE-2015-3996?
CVE-2015-3996 has been scored as a medium severity vulnerability.
How to fix CVE-2015-3996?
To fix CVE-2015-3996, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-3996 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2015-3996 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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