Improper Encoding or Escaping of Output in envoy - CVE-2023-35941

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Main Vulnerability Database Vulnerabilities #VU78678

Improper Encoding or Escaping of Output in envoy - CVE-2023-35941

Published: July 26, 2023


Vulnerability identifier: #VU78678
CSH Severity: High
CVSS v4: 8.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-35941
CWE-ID: CWE-116
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper encoding or escaping of output. A remote attacker can construct credentials with permanent validity.


Affected software

envoy
Amazon Linux AMI
Istio
OpenShift Service Mesh

How to mitigate CVE-2023-35941

Install updates from vendor's website.

envoy - addressed in versions 1.23.12, 1.24.10, 1.25.9, 1.26.4
Istio - addressed in versions 1.16.7, 1.17.5, 1.18.2
OpenShift Service Mesh - addressed in versions 2.2.10, 2.3.6, 2.4.2

External References

Related Security Bulletins