CVE-2015-1777

low-risk

Published 2018-04-12

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.

Do I need to act?

0.19% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 5.9/10 Medium

NETWORK / HIGH complexity

Affected Products (1)

Rhn-Client-Tools

Affected Vendors

Redhat

References (6)

Mailing List http://www.openwall.com/lists/oss-security/2015/03/04/7

Third Party Advisory http://www.securityfocus.com/bid/72943

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1198740

Mailing List http://www.openwall.com/lists/oss-security/2015/03/04/7

Third Party Advisory http://www.securityfocus.com/bid/72943

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1198740

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low-risk

Severity 18/34 · Moderate

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal