Insecure default configuration in Istio

Published: 2019-06-11 | Updated: 2019-06-11
Severity High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-12243
CWE ID CWE-284
Exploitation vector Local network
Public exploit N/A
Vulnerable software Istio Subscribe
Vendor Istio

Security Advisory

This security advisory describes one high risk vulnerability.

1) Improper access control

Severity: High

CVSSv3: 7.7 [CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-12243

CWE-ID: CWE-284 - Improper Access Control

Description

The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.

The vulnerability exists due to security policy enforcement is disabled by default in the installation profile. A remote non-authenticated attacker can gain unrestricted access to the system via API.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Istio: 1.1, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6

CPE External links

https://istio.io/about/notes/
https://istio.io/blog/2019/cve-2019-12243/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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



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