Denial of service in Istio

1) Input validation error

EUVDB-ID: #VU68514

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-39278

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

This vulnerability is caused by usage of an affected version of Go (#VU68390, CVE-2022-41715).

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Istio: 0.1 - 1.15.1

External links

http://istio.io/latest/news/releases/1.13.x/announcing-1.13.9/
http://github.com/istio/istio/security/advisories/GHSA-86vr-4wcv-mm9w
http://istio.io/latest/news/releases/1.15.x/announcing-1.15.2/
http://istio.io/news/releases/1.14.x/announcing-1.14.5/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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