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7.8
HIGH CVSS 3.0
CVE-2018-16837
Ansible SSH Key Generation Module Information Disclosure
Description

Ansible "User" module leaks any data which is passed on as a parameter to ssh-keygen. This could lean in undesirable situations such as passphrases credentials passed as a parameter for the ssh-keygen executable. Showing those credentials in clear text form for every user which have access just to the process list.

INFO

Published Date :

Oct. 23, 2018, 3:29 p.m.

Last Modified :

Nov. 21, 2024, 3:53 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2018-16837 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 ansible_engine
2 Redhat ansible_tower
1 Suse package_hub
2 Suse linux_enterprise
1 Debian debian_linux
: Total Affected Vendor : 3 | Products : 5
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 LOW [email protected]
CVSS 3.0 HIGH [email protected]
CVSS 3.0 HIGH [email protected]
Solution
Update Ansible packages to address an information disclosure vulnerability related to SSH key generation.
  • Update the Ansible packages.
  • Consult vendor guidance for specific updates.
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-2018-16837.

URL Resource
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00021.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00077.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00020.html
http://www.securityfocus.com/bid/105700 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3460 Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3461 Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3462 Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3463 Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3505 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16837 Issue Tracking Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00012.html Mailing List Third Party Advisory
https://usn.ubuntu.com/4072-1/
https://www.debian.org/security/2019/dsa-4396 Third Party Advisory
https://access.redhat.com/security/cve/cve-2018-16837 Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00021.html Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00077.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00020.html
http://www.securityfocus.com/bid/105700 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3460 Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3461 Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3462 Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3463 Vendor Advisory
https://access.redhat.com/errata/RHSA-2018:3505 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16837 Issue Tracking Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00012.html Mailing List Third Party Advisory
https://usn.ubuntu.com/4072-1/
https://www.debian.org/security/2019/dsa-4396 Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-16837 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-2018-16837 weaknesses.

CAPEC-31: Accessing/Intercepting/Modifying HTTP Cookies Accessing/Intercepting/Modifying HTTP Cookies CAPEC-37: Retrieve Embedded Sensitive Data Retrieve Embedded Sensitive Data CAPEC-65: Sniff Application Code Sniff Application Code CAPEC-157: Sniffing Attacks Sniffing Attacks CAPEC-158: Sniffing Network Traffic Sniffing Network Traffic CAPEC-204: Lifting Sensitive Data Embedded in Cache Lifting Sensitive Data Embedded in Cache CAPEC-383: Harvesting Information via API Event Monitoring Harvesting Information via API Event Monitoring CAPEC-384: Application API Message Manipulation via Man-in-the-Middle Application API Message Manipulation via Man-in-the-Middle CAPEC-385: Transaction or Event Tampering via Application API Manipulation Transaction or Event Tampering via Application API Manipulation CAPEC-386: Application API Navigation Remapping Application API Navigation Remapping CAPEC-387: Navigation Remapping To Propagate Malicious Content Navigation Remapping To Propagate Malicious Content CAPEC-388: Application API Button Hijacking Application API Button Hijacking CAPEC-477: Signature Spoofing by Mixing Signed and Unsigned Content Signature Spoofing by Mixing Signed and Unsigned Content CAPEC-609: Cellular Traffic Intercept Cellular Traffic Intercept

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-2018-16837 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2018-16837 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://lists.opensuse.org/opensuse-security-announce/2019-04/msg00021.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00077.html
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00020.html
    Added Reference http://www.securityfocus.com/bid/105700
    Added Reference https://access.redhat.com/errata/RHSA-2018:3460
    Added Reference https://access.redhat.com/errata/RHSA-2018:3461
    Added Reference https://access.redhat.com/errata/RHSA-2018:3462
    Added Reference https://access.redhat.com/errata/RHSA-2018:3463
    Added Reference https://access.redhat.com/errata/RHSA-2018:3505
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16837
    Added Reference https://lists.debian.org/debian-lts-announce/2018/11/msg00012.html
    Added Reference https://usn.ubuntu.com/4072-1/
    Added Reference https://www.debian.org/security/2019/dsa-4396
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CWE Red Hat, Inc. CWE-214
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-200 CWE-255 CWE-311
  • CVE Modified by [email protected]

    Aug. 14, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00020.html [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 25, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/4072-1/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jun. 27, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00077.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 25, 2019

    Action Type Old Value New Value
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16837 Issue Tracking, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16837 Issue Tracking, Vendor Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/11/msg00012.html Mailing List, Vendor Advisory https://lists.debian.org/debian-lts-announce/2018/11/msg00012.html Mailing List, Third Party Advisory
    Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00021.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00021.html Third Party Advisory
    Added CPE Configuration AND OR *cpe:2.3:a:suse:package_hub:-:*:*:*:*:*:*:* OR cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Apr. 03, 2019

    Action Type Old Value New Value
    Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00021.html [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 01, 2019

    Action Type Old Value New Value
    Changed Reference Type https://www.debian.org/security/2019/dsa-4396 No Types Assigned https://www.debian.org/security/2019/dsa-4396 Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Feb. 20, 2019

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2019/dsa-4396 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 28, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3461 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3461 Vendor Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3460 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3460 Vendor Advisory
    Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16837 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16837 Issue Tracking, Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/11/msg00012.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/11/msg00012.html Mailing List, Vendor Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3505 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3505 Vendor Advisory
    Changed Reference Type http://www.securityfocus.com/bid/105700 No Types Assigned http://www.securityfocus.com/bid/105700 Third Party Advisory, VDB Entry
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3463 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3463 Vendor Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3462 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3462 Vendor Advisory
    Added Reference https://access.redhat.com/security/cve/cve-2018-16837 [Vendor Advisory]
    Added CWE CWE-200
    Added CPE Configuration OR *cpe:2.3:a:redhat:ansible_engine:2.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:ansible_engine:2.5:*:*:*:*:*:*:* *cpe:2.3:a:redhat:ansible_engine:2.6:*:*:*:*:*:*:* *cpe:2.3:a:redhat:ansible_engine:2.7:*:*:*:*:*:*:* *cpe:2.3:a:redhat:ansible_tower:3.3.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 13, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/11/msg00012.html [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 07, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:3505 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 06, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:3463 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2018:3462 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2018:3461 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2018:3460 [No Types Assigned]
  • CVE Modified by [email protected]

    Oct. 24, 2018

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/105700 [No Types Assigned]
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: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 2.1
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.

0.04 }} 0.00%

score

0.11927

percentile