5.9
MEDIUM CVSS 3.0
CVE-2015-1777
Red Hat Gluster Storage/Enterprise Linux SSL Certificate Validation 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.

INFO

Published Date :

April 12, 2018, 3:29 p.m.

Last Modified :

Nov. 21, 2024, 2:26 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2015-1777 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux
2 Redhat gluster_storage
3 Redhat rhn-client-tools
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.0 MEDIUM [email protected]
Solution
Update rhn-client-tools to address an SSL certificate validation vulnerability.
  • Update rhn-client-tools to a patched version.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2015-1777.

URL Resource
http://www.openwall.com/lists/oss-security/2015/03/04/7 Mailing List
http://www.securityfocus.com/bid/72943 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1198740 Issue Tracking
http://www.openwall.com/lists/oss-security/2015/03/04/7 Mailing List
http://www.securityfocus.com/bid/72943 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1198740 Issue Tracking
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-1777 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2015-1777 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-1777 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-1777 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2015/03/04/7
    Added Reference http://www.securityfocus.com/bid/72943
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1198740
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    Apr. 22, 2019

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:6:*:*:*:*:*:*:* OR *cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    May. 22, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
    Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
    Changed Reference Type http://www.securityfocus.com/bid/72943 No Types Assigned http://www.securityfocus.com/bid/72943 Third Party Advisory, VDB Entry
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=1198740 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=1198740 Issue Tracking
    Changed Reference Type http://www.openwall.com/lists/oss-security/2015/03/04/7 No Types Assigned http://www.openwall.com/lists/oss-security/2015/03/04/7 Mailing List
    Added CWE CWE-295
    Added CPE Configuration AND OR *cpe:2.3:a:redhat:rhn-client-tools:*:*:*:*:*:*:*:* OR cpe:2.3:a:redhat:gluster_storage:2.1:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:6:*:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.9
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.20 }} 0.08%

score

0.41796

percentile