SB2019081364 - Input validation error in Istio
Published: August 13, 2019 Updated: August 8, 2020
Security Bulletin ID
SB2019081364
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2019-14993)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Istio before 1.1.13 and 1.2.x before 1.2.4 mishandles regular expressions for long URIs, leading to a denial of service during use of the JWT, VirtualService, HTTPAPISpecBinding, or QuotaSpecBinding API.
Remediation
Install update from vendor's website.