CVE-2015-5189
PCSD Username Privilege Escalation
Description
Race condition in pcsd in PCS 0.9.139 and earlier uses a global variable to validate usernames, which allows remote authenticated users to gain privileges by sending a command that is checked for security after another user is authenticated.
INFO
Published Date :
Sept. 3, 2015, 2:59 p.m.
Last Modified :
April 12, 2025, 10:46 a.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2015-5189
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.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] |
Solution
- Update the affected pcs package.
- Update the pcs-debuginfo package.
- Update the python-clufter packages.
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-2015-5189.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2015-5189 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-2015-5189
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-2015-5189 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2015-5189 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://rhn.redhat.com/errata/RHSA-2015-1700.html Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1252805 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 13, 2023
Action Type Old Value New Value Changed Description A race condition was found in the way the pcsd web UI backend performed authorization of user requests. An attacker could use this flaw to send a request that would be evaluated as originating from a different user, potentially allowing the attacker to perform actions with permissions of a more privileged user. Race condition in pcsd in PCS 0.9.139 and earlier uses a global variable to validate usernames, which allows remote authenticated users to gain privileges by sending a command that is checked for security after another user is authenticated. Removed CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:S/C:P/I:P/A:N) Removed Reference https://access.redhat.com/errata/RHSA-2015:1700 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2015-5189 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed Description Race condition in pcsd in PCS 0.9.139 and earlier uses a global variable to validate usernames, which allows remote authenticated users to gain privileges by sending a command that is checked for security after another user is authenticated. A race condition was found in the way the pcsd web UI backend performed authorization of user requests. An attacker could use this flaw to send a request that would be evaluated as originating from a different user, potentially allowing the attacker to perform actions with permissions of a more privileged user. Added CVSS V2 Red Hat, Inc. (AV:N/AC:M/Au:S/C:P/I:P/A:N) Added Reference https://access.redhat.com/errata/RHSA-2015:1700 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2015-5189 [No Types Assigned] -
Modified Analysis by [email protected]
Sep. 04, 2015
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:pacemaker\/corosync_configuration_system_project:pacemaker\/corosync_configuration_system:0.9.139:*:*:*:*:*:*:* (and previous) Added CVSS V2 (AV:N/AC:M/Au:S/C:P/I:P/A:N) Added CWE CWE-362 -
Initial Analysis by [email protected]
Sep. 04, 2015
Action Type Old Value New Value
Vulnerability Scoring Details
Base CVSS Score: 4.9
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.13 }} -0.06%
score
0.34123
percentile