SB2024040529 - Remote denial of service in Envoy
Published: April 5, 2024
Security Bulletin ID
SB2024040529
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) Resource exhaustion (CVE-ID: CVE-2024-27919)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient limitations in oghttp codec placed on the amount of CONTINUATION frames that can be sent within a single HTTP/2 stream. A remote attacker can send a sequence of CONTINUATION frames without the END_HEADERS bit set causing unlimited memory consumption.Remediation
Install update from vendor's website.