Infinite loop in Istio Istio



Published: 2019-11-12 | Updated: 2020-07-17
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-18817
CWE-ID CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Istio
Web applications / Other software

Vendor Istio

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Infinite loop

EUVDB-ID: #VU30627

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2019-18817

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

Istio 1.3.x before 1.3.5 allows Denial of Service because continue_on_listener_filters_timeout is set to True, a related issue to CVE-2019-18836.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Istio: 1.3 - 1.3.4


CPE2.3 External links

http://github.com/istio/istio/issues/18229
http://istio.io/news/2019/announcing-1.3.5/

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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