CVE-2016-8638
Ipsilon SAML2 Multi-Session Session Logout
Description
A vulnerability in ipsilon 2.0 before 2.0.2, 1.2 before 1.2.1, 1.1 before 1.1.2, and 1.0 before 1.0.3 was found that allows attacker to log out active sessions of other users. This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users. It is also called a "SAML2 multi-session vulnerability."
INFO
Published Date :
July 12, 2017, 1:29 p.m.
Last Modified :
April 20, 2025, 1:37 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
3.9
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-2016-8638.
| URL | Resource |
|---|---|
| http://rhn.redhat.com/errata/RHSA-2016-2809.html | |
| http://www.securityfocus.com/bid/94439 | Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8638 | Issue Tracking Third Party Advisory |
| https://ipsilon-project.org/advisory/CVE-2016-8638.txt | Vendor Advisory |
| https://ipsilon-project.org/release/2.1.0.html | |
| https://pagure.io/ipsilon/c/511fa8b7001c2f9a42301aa1d4b85aaf170a461c | Patch Vendor Advisory |
| http://rhn.redhat.com/errata/RHSA-2016-2809.html | |
| http://www.securityfocus.com/bid/94439 | Third Party Advisory VDB Entry |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8638 | Issue Tracking Third Party Advisory |
| https://ipsilon-project.org/advisory/CVE-2016-8638.txt | Vendor Advisory |
| https://ipsilon-project.org/release/2.1.0.html | |
| https://pagure.io/ipsilon/c/511fa8b7001c2f9a42301aa1d4b85aaf170a461c | Patch Vendor 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-2016-8638 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2016-8638 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.
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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-2016-2809.html Added Reference http://www.securityfocus.com/bid/94439 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8638 Added Reference https://ipsilon-project.org/advisory/CVE-2016-8638.txt Added Reference https://ipsilon-project.org/release/2.1.0.html Added Reference https://pagure.io/ipsilon/c/511fa8b7001c2f9a42301aa1d4b85aaf170a461c -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Changed Description A vulnerability in ipsilon 2.0 before 2.0.2, 1.2 before 1.2.1, 1.1 before 1.1.2, and 1.0 before 1.0.3 was found that allows attacker to log out active sessions of other users. This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users. It is also called a "SAML2 multi-session vulnerability." A vulnerability in ipsilon 2.0 before 2.0.2, 1.2 before 1.2.1, 1.1 before 1.1.2, and 1.0 before 1.0.3 was found that allows attacker to log out active sessions of other users. This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users. It is also called a "SAML2 multi-session vulnerability." -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Changed Description A vulnerability was found in ipsilon in the SAML2 provider's handling of sessions. An attacker able to hit the logout URL could determine what service providers other users are logged in to and terminate their sessions. A vulnerability in ipsilon 2.0 before 2.0.2, 1.2 before 1.2.1, 1.1 before 1.1.2, and 1.0 before 1.0.3 was found that allows attacker to log out active sessions of other users. This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users. It is also called a "SAML2 multi-session vulnerability." Removed CVSS V2 Red Hat, Inc. (AV:N/AC:L/Au:N/C:P/I:N/A:P) Removed CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H Removed Reference https://access.redhat.com/errata/RHSA-2016:2809 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2016-8638 [No Types Assigned] Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1392829 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed Description A vulnerability in ipsilon 2.0 before 2.0.2, 1.2 before 1.2.1, 1.1 before 1.1.2, and 1.0 before 1.0.3 was found that allows attacker to log out active sessions of other users. This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users. It is also called a "SAML2 multi-session vulnerability." A vulnerability was found in ipsilon in the SAML2 provider's handling of sessions. An attacker able to hit the logout URL could determine what service providers other users are logged in to and terminate their sessions. Added CVSS V2 Red Hat, Inc. (AV:N/AC:L/Au:N/C:P/I:N/A:P) Added CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1392829 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2016:2809 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2016-8638 [No Types Assigned] -
CVE Modified by [email protected]
Jan. 05, 2018
Action Type Old Value New Value Added Reference http://rhn.redhat.com/errata/RHSA-2016-2809.html [No Types Assigned] -
CVE Modified by [email protected]
Dec. 22, 2017
Action Type Old Value New Value Changed Description A vulnerability in ipsilon 2.0 before 2.0.2, 1.2 before 1.2.1, 1.1 before 1.1.2, and 1.0 before 1.0.3 was found that allows attacker to log out active sessions of other users. This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users. A vulnerability in ipsilon 2.0 before 2.0.2, 1.2 before 1.2.1, 1.1 before 1.1.2, and 1.0 before 1.0.3 was found that allows attacker to log out active sessions of other users. This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users. It is also called a "SAML2 multi-session vulnerability." Added Reference https://ipsilon-project.org/release/2.1.0.html [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 17, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8638 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-8638 Issue Tracking, Third Party Advisory Changed Reference Type https://pagure.io/ipsilon/c/511fa8b7001c2f9a42301aa1d4b85aaf170a461c No Types Assigned https://pagure.io/ipsilon/c/511fa8b7001c2f9a42301aa1d4b85aaf170a461c Patch, Vendor Advisory Changed Reference Type http://www.securityfocus.com/bid/94439 No Types Assigned http://www.securityfocus.com/bid/94439 Third Party Advisory, VDB Entry Changed Reference Type https://ipsilon-project.org/advisory/CVE-2016-8638.txt No Types Assigned https://ipsilon-project.org/advisory/CVE-2016-8638.txt Vendor Advisory Added CWE CWE-384 Added CPE Configuration OR *cpe:2.3:a:ipsilon_project:ipsilon:1.0.0:*:*:*:*:*:*:* *cpe:2.3:a:ipsilon_project:ipsilon:1.0.1:*:*:*:*:*:*:* *cpe:2.3:a:ipsilon_project:ipsilon:1.0.2:*:*:*:*:*:*:* *cpe:2.3:a:ipsilon_project:ipsilon:1.1.0:*:*:*:*:*:*:* *cpe:2.3:a:ipsilon_project:ipsilon:1.1.1:*:*:*:*:*:*:* *cpe:2.3:a:ipsilon_project:ipsilon:1.2.0:*:*:*:*:*:*:* *cpe:2.3:a:ipsilon_project:ipsilon:2.0.0:*:*:*:*:*:*:* *cpe:2.3:a:ipsilon_project:ipsilon:2.0.1:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 17, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/94439 [No Types Assigned] -
CVE Modified by [email protected]
Jul. 13, 2017
Action Type Old Value New Value Changed Description A vulnerability in ipsilon was found that allows attacker to log out active sessions of other users. This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users. A vulnerability in ipsilon 2.0 before 2.0.2, 1.2 before 1.2.1, 1.1 before 1.1.2, and 1.0 before 1.0.3 was found that allows attacker to log out active sessions of other users. This issue is related to how it tracks sessions, and allows an unauthenticated attacker to view and terminate active sessions from other users.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2016-8638 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-2016-8638
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
7.14 }} -5.16%
score
0.90690
percentile