ClusterLabs pcs before version 0.9.157 is vulnerable to a cross-site scripting vulnerability due to improper validation of Node name field when creating new cluster or adding existing cluster.

The remote Ubuntu 16.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7614-1 advisory.

    Cedric Buissart discovered that pcs did not correctly handle certain parameters. An attacker could     possibly use this issue to leak sensitive information or elevate their privileges. This issue only     affected Ubuntu 16.04 LTS. (CVE-2018-1086)

    Ondrej Mular discovered that pcs did not correctly handle Unix socket permissions. An attacker could     possibly use this issue to elevate their privileges. This issue only affected Ubuntu 22.04 LTS.
    (CVE-2022-2735)

    It was discovered that pcs did not correctly handle PAM authentication. An attacker could possibly use     this issue to bypass authentication mechanisms. This issue only affected Ubuntu 20.04 LTS and

    Ubuntu 22.04 LTS. (CVE-2022-1049)

    It was discovered that pcs did not correctly handle the validation of Node names. An attacker could     possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu     16.04 LTS. (CVE-2017-2661)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - ClusterLabs pcs before version 0.9.157 is vulnerable to a cross-site scripting vulnerability due to     improper validation of Node name field when creating new cluster or adding existing cluster.
    (CVE-2017-2661)

Note that Nessus relies on the presence of the package as reported by the vendor.

- Security fix for CVE-2017-2661: Improper node name field     validation when creating clusters leads to XSS

  - Re-added support for clufter as it is now available for     Python 3

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
241351	Ubuntu 16.04 LTS / 20.04 LTS / 22.04 LTS : pcs vulnerabilities (USN-7614-1)	Nessus	Ubuntu Local Security Checks	high
221178	Linux Distros Unpatched Vulnerability : CVE-2017-2661	Nessus	Misc.	medium
99176	Fedora 24 : pcs (2017-7accc8010b)	Nessus	Fedora Local Security Checks	medium
99175	Fedora 25 : pcs (2017-71e69a691b)	Nessus	Fedora Local Security Checks	medium

Detections

Analytics

CVE-2017-2661

medium

Tenable Plugins

high

medium

medium

medium