#VU78293 Memory leak in envoy - CVE-2023-35945
Published: July 16, 2023
Vulnerability identifier: #VU78293
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-35945
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
envoy
envoy
Software vendor:
Cloud Native Computing Foundation
Cloud Native Computing Foundation
Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak when handling HTTP/2 requests within the nghttp2 codec. A remote attacker can send RST_STREAM immediately followed by the GOAWAY frames to the application and force memory leak.
Remediation
Install updates from vendor's website.