5.3
MEDIUM
CVE-2017-8031
Cloud Foundry UAA Token Revocation Security Bypass
Description

An issue was discovered in Cloud Foundry Foundation cf-release (all versions prior to v279) and UAA (30.x versions prior to 30.6, 45.x versions prior to 45.4, 52.x versions prior to 52.1). In some cases, the UAA allows an authenticated user for a particular client to revoke client tokens for other users on the same client. This occurs only if the client is using opaque tokens or JWT tokens validated using the check_token endpoint. A malicious actor could cause denial of service.

INFO

Published Date :

Nov. 27, 2017, 10:29 a.m.

Last Modified :

Nov. 21, 2024, 3:33 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

1.6
Affected Products

The following products are affected by CVE-2017-8031 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 Cloudfoundry cf-release
2 Cloudfoundry uaa-release
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-2017-8031.

URL Resource
http://www.securityfocus.com/bid/101967 Third Party Advisory VDB Entry
https://www.cloudfoundry.org/cve-2017-8031/ Issue Tracking Third Party Advisory
http://www.securityfocus.com/bid/101967 Third Party Advisory VDB Entry
https://www.cloudfoundry.org/cve-2017-8031/ Issue Tracking 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-2017-8031 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-8031 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://www.securityfocus.com/bid/101967
    Added Reference https://www.cloudfoundry.org/cve-2017-8031/
  • CVE Modified by [email protected]

    May. 14, 2024

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

    May. 25, 2021

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CVSS V3.1 NIST AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed CPE Configuration OR *cpe:2.3:a:pivotal_software:cf-release:*:*:*:*:*:*:*:* versions up to (including) 278 *cpe:2.3:a:pivotal_software:uaa-release:30:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:30.1:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:30.2:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:30.3:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:30.4:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:30.5:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:45:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:45.1:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:45.2:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:45.3:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:52:*:*:*:*:*:*:* OR *cpe:2.3:a:cloudfoundry:cf-release:*:*:*:*:*:*:*:* versions up to (including) 278 *cpe:2.3:a:cloudfoundry:uaa-release:*:*:*:*:*:*:*:* versions from (including) 30 up to (excluding) 30.6 *cpe:2.3:a:cloudfoundry:uaa-release:*:*:*:*:*:*:*:* versions from (including) 45 up to (excluding) 45.4 *cpe:2.3:a:cloudfoundry:uaa-release:52:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-285 NVD-CWE-noinfo
  • Initial Analysis by [email protected]

    Dec. 21, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:S/C:N/I:N/A:P)
    Added CVSS V3 AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://www.cloudfoundry.org/cve-2017-8031/ No Types Assigned https://www.cloudfoundry.org/cve-2017-8031/ Issue Tracking, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/bid/101967 No Types Assigned http://www.securityfocus.com/bid/101967 Third Party Advisory, VDB Entry
    Added CWE CWE-285
    Added CPE Configuration OR *cpe:2.3:a:pivotal_software:cf-release:*:*:*:*:*:*:*:* versions up to (including) 278 *cpe:2.3:a:pivotal_software:uaa-release:30:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:30.1:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:30.2:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:30.3:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:30.4:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:30.5:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:45:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:45.1:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:45.2:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:45.3:*:*:*:*:*:*:* *cpe:2.3:a:pivotal_software:uaa-release:52:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 30, 2017

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/101967 [No Types Assigned]
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-2017-8031 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-2017-8031 weaknesses.

Exploit Prediction

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

0.07 }} 0.00%

score

0.28062

percentile

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