Vulnerability Details : CVE-2015-1777
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.
Products affected by CVE-2015-1777
- cpe:2.3:a:redhat:rhn-client-tools:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-1777
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-1777
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2015-1777
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-1777
-
http://www.openwall.com/lists/oss-security/2015/03/04/7
oss-security - Another Python app (rhn-setup: rhnreg_ks) not checking hostnames in certs properly CVE-2015-1777Mailing List
-
https://bugzilla.redhat.com/show_bug.cgi?id=1198740
1198740 – (CVE-2015-1777) CVE-2015-1777 rhn-setup: rhnreg_ks fails to properly validate SSL/TLS certificatesIssue Tracking
-
http://www.securityfocus.com/bid/72943
Python rhn-setup CVE-2015-1777 SSL Certificate Validation Security Bypass VulnerabilityThird Party Advisory;VDB Entry
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