Improper Hostname Validation in rhnreg_ks in Red Hat Network Client Tools

CVE-2015-1777 · MEDIUM Severity

AV:N/AC:M/AU:N/C:N/I:P/A:N

rhnreg_ks in Red Hat Network Client Tools (aka rhn-client-tools) on Red Hat Gluster Storage 2.1 and Enterprise Linux (RHEL) 5, 6, and 7 does not properly validate hostnames in X.509 certificates from SSL servers, which allows remote attackers to prevent system registration via a man-in-the-middle attack.

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