Debian update for keystone



| Updated: 2018-08-21
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-14432
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Debian Linux
Operating systems & Components / Operating system

Vendor Debian

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Security restrictions bypass

EUVDB-ID: #VU14477

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-14432

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated attacker to bypass security restrictions on the target system.

The vulnerability exists in the Federation component in Keystone with the /v3/OS-FEDERATION endpoint enabled via policy.json due to an error when handling malicious input. A remote attacker can submit authenticated "GET /v3/OS-FEDERATION/projects" request, bypass intended access restrictions on listing projects and discover projects he has no authority to access, leaking all projects in the deployment and their attributes. 

Mitigation

Update the affected package to version: 2:10.0.0-9+deb9u1

Vulnerable software versions

Debian Linux: All versions

CPE2.3 External links

https://www.debian.org/security/2018/dsa-4275


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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