SIP Service Providers – Possible Impersonation of Poly Voice Device

An embedded test key and certificate could be extracted from a Poly Voice device using specialized reverse engineering tools. This extracted certificate could be accepted by a SIP service provider if the service provider does not perform proper validation of the device certificate. Service...

DEBIAN-CVE-2020-36477

An issue was discovered in Mbed TLS before 2.24.0. The verification of X.509 certificates when matching the expected common name the cn argument of mbedtlsx509crtverify with the actual certificate name is mishandled: when the subjecAltName extension is present, the expected name is compared to an...

CXF: SSL hostname verification bypass, incomplete CVE-2012-6153 fix

It was found that the fix for CVE-2012-6153 was incomplete: the code added to check that the server hostname matches the domain name in a subject's Common Name CN field in X.509 certificates was flawed. A man-in-the-middle attacker could use this flaw to spoof an SSL server using a specially...

CXF: SSL hostname verification bypass, incomplete CVE-2012-5783 fix

It was found that the fix for CVE-2012-5783 was incomplete: the code added to check that the server host name matches the domain name in a subject's Common Name CN field in X.509 certificates was flawed. A man-in-the-middle attacker could use this flaw to spoof an SSL server using a specially...

CXF: SSL hostname verification bypass, incomplete CVE-2012-6153 fix

It was found that the fix for CVE-2012-6153 was incomplete: the code added to check that the server hostname matches the domain name in a subject's Common Name CN field in X.509 certificates was flawed. A man-in-the-middle attacker could use this flaw to spoof an SSL server using a specially...