CVE-2016-8638
CVSS V2 Medium 6.4
CVSS V3 Critical 9.1
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."
Overview
- CVE ID
- CVE-2016-8638
- Assigner
- secalert@redhat.com
- Vulnerability Status
- Modified
- Published Version
- 2017-07-12T13:29:00
- Last Modified Date
- 2023-02-12T23:26:16
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:ipsilon_project:ipsilon:1.0.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ipsilon_project:ipsilon:1.0.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ipsilon_project:ipsilon:1.0.2:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ipsilon_project:ipsilon:1.1.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ipsilon_project:ipsilon:1.1.1:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ipsilon_project:ipsilon:1.2.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ipsilon_project:ipsilon:2.0.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:ipsilon_project:ipsilon:2.0.1:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:N/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- PARTIAL
- Base Score
- 6.4
- Severity
- MEDIUM
- Exploitability Score
- 10
- Impact Score
- 4.9
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.1
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.2
References
| Reference URL | Reference Tags |
|---|---|
| http://rhn.redhat.com/errata/RHSA-2016-2809.html | |
| http://www.securityfocus.com/bid/94439 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2016:2809 | |
| https://access.redhat.com/security/cve/CVE-2016-8638 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1392829 | |
| 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 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2016-8638 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8638 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 18:51:53 | Added to TrackCVE | |||
| 2022-12-02 18:36:28 | 2017-07-12T13:29Z | 2017-07-12T13:29:00 | CVE Published Date | updated |
| 2022-12-02 18:36:28 | 2018-01-05T02:31:18 | CVE Modified Date | updated | |
| 2022-12-02 18:36:28 | Modified | Vulnerability Status | updated | |
| 2023-02-02 17:06:26 | 2023-02-02T16:17:42 | CVE Modified Date | updated | |
| 2023-02-02 17:06:27 | 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. | Description | updated |
| 2023-02-02 17:06:30 | References | updated | ||
| 2023-02-13 01:07:05 | 2023-02-12T23:26:16 | CVE Modified Date | updated | |
| 2023-02-13 01:07:05 | 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." | Description | updated |