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CVE-2015-1777

Date: April 12, 2018

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.

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2015-1777
http://www.securityfocus.com/bid/72943
https://bugzilla.redhat.com/show_bug.cgi?id=1198740
http://www.openwall.com/lists/oss-security/2015/03/04/7
https://access.redhat.com/security/cve/CVE-2015-1777
https://people.canonical.com/~ubuntu-security/cve/CVE-2015-1777
https://www.mend.io/vulnerability-database/CVE-2015-1777

Severity Score

Weakness Type (CWE)

Improper Certificate Validation

CWE-295

CVSS v3

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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