SB202502191057 - Amazon Linux AMI update for ecs-service-connect-agent
Published: February 19, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 vulnerabilities.
1) Improper Encoding or Escaping of Output (CVE-ID: CVE-2023-35941)
CWE-ID: CWE-116 - Improper Encoding or Escaping of Output
CVSSv4: 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/E:P/U:Amber
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.
2) Use-after-free (CVE-ID: CVE-2023-35942)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the gRPC access logger extension. A remote user can perform a denial of service (DoS) attack.
3) Use-after-free (CVE-ID: CVE-2023-35943)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Green
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in the HTTP CORS filter. A remote user can perform a denial of service (DoS) attack.
4) Input validation error (CVE-ID: CVE-2023-35944)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Amber
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to incorrect handling of requests and responses with mixed case schemes. A remote attacker can pass specially crafted input to the application and bypass some requests with mixed schemes.
5) Memory leak (CVE-ID: CVE-2023-35945)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: 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
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 update from vendor's website.