CVE-2015-1777 — MEDIUM (5.9)

Vulnerability Description

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.

CVSS Score

5.9

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Redhat	Rhn-Client-Tools	All versions
Redhat	Gluster Storage	2.1
Redhat	Enterprise Linux	5.0

Related Weaknesses (CWE)

CWE-295

References

http://www.openwall.com/lists/oss-security/2015/03/04/7Mailing List
http://www.securityfocus.com/bid/72943Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1198740Issue Tracking
http://www.openwall.com/lists/oss-security/2015/03/04/7Mailing List
http://www.securityfocus.com/bid/72943Third Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1198740Issue Tracking

FAQ

What is CVE-2015-1777?

CVE-2015-1777 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 ...

How severe is CVE-2015-1777?

CVE-2015-1777 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2015-1777?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Rhn-Client-Tools, Redhat Gluster Storage, Redhat Enterprise Linux.