Medium severity · published Nov 27, 2017
CVE-2017-8031
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…
5.3
CVSS
1.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CF
Cf-release · Cloudfoundry
through 278 · source: NVD
UA
Uaa-release · Cloudfoundry
30 before 30.6; 45 before 45.4; 52 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8031
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8031
Third Party Advisory
http://www.securityfocus.com/bid/101967
Issue Tracking
https://www.cloudfoundry.org/cve-2017-8031/
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