7.3
HIGH
CVE-2017-6967
xrdp PAM Limits Elevation of Privileges
Description

xrdp 0.9.1 calls the PAM function auth_start_session() in an incorrect location, leading to PAM session modules not being properly initialized, with a potential consequence of incorrect configurations or elevation of privileges, aka a pam_limits.so bypass.

INFO

Published Date :

March 17, 2017, 9:59 a.m.

Last Modified :

July 8, 2020, 4:41 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2017-6967 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 Neutrinolabs xrdp
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-2017-6967.

URL Resource
https://bugs.launchpad.net/ubuntu/+source/xrdp/+bug/1672742 Third Party Advisory
https://github.com/neutrinolabs/xrdp/issues/350 Third Party Advisory
https://github.com/neutrinolabs/xrdp/pull/694 Third Party Advisory

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-2017-6967 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-6967 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 [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Jul. 08, 2020

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    Changed CPE Configuration OR *cpe:2.3:a:xrdp:xrdp:0.9.1:*:*:*:*:*:*:* OR *cpe:2.3:a:neutrinolabs:xrdp:0.9.1:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-264 CWE-287
  • Initial Analysis by [email protected]

    Mar. 21, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    Changed Reference Type https://github.com/neutrinolabs/xrdp/issues/350 No Types Assigned https://github.com/neutrinolabs/xrdp/issues/350 Third Party Advisory
    Changed Reference Type https://github.com/neutrinolabs/xrdp/pull/694 No Types Assigned https://github.com/neutrinolabs/xrdp/pull/694 Third Party Advisory
    Changed Reference Type https://bugs.launchpad.net/ubuntu/+source/xrdp/+bug/1672742 No Types Assigned https://bugs.launchpad.net/ubuntu/+source/xrdp/+bug/1672742 Third Party Advisory
    Added CWE CWE-264
    Added CPE Configuration OR *cpe:2.3:a:xrdp:xrdp:0.9.1:*:*:*:*:*:*:*
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.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-6967 is associated with the following CWEs:

Exploit Prediction

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

0.19 }} 0.00%

score

0.54637

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability