Amazon Linux AMI update for ecs-service-connect-agent



Risk High
Patch available YES
Number of vulnerabilities 6
CVE-ID CVE-2023-27487
CVE-2023-27488
CVE-2023-27491
CVE-2023-27492
CVE-2023-27493
CVE-2023-27496
CWE-ID CWE-20
CWE-770
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Input validation error

EUVDB-ID: #VU74480

Risk: High

CVSSv4.0: 6.7 [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:U/U:Amber]

CVE-ID: CVE-2023-27487

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in the "header x-envoy-original-path". A remote attacker can gain access to sensitive information on the system.

Mitigation

Update the affected packages:

aarch64:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.aarch64

src:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.src

x86_64:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-165.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Input validation error

EUVDB-ID: #VU74474

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-27488

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to insufficient validation of user-supplied input when "failure_mode_allow: true" is configured for ext_authz filter. A remote attacker can pass specially crafted input to the application and gain elevated privileges on the target system.

Mitigation

Update the affected packages:

aarch64:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.aarch64

src:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.src

x86_64:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-165.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Input validation error

EUVDB-ID: #VU74477

Risk: Medium

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-27491

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the HTTP/2 and HTTP/3 downstream headers. A remote attacker can bypass the security policies.

Mitigation

Update the affected packages:

aarch64:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.aarch64

src:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.src

x86_64:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-165.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU74476

Risk: Medium

CVSSv4.0: 1.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-27492

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists when a large request body is processed in Lua filter. A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.aarch64

src:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.src

x86_64:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-165.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Input validation error

EUVDB-ID: #VU74475

Risk: High

CVSSv4.0: 6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-27493

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to the affected application does not sanitize or escape request properties when generating request headers. A remote attacker can cause request smuggling and bypass of security policies.

Mitigation

Update the affected packages:

aarch64:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.aarch64

src:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.src

x86_64:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-165.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Input validation error

EUVDB-ID: #VU74473

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-27496

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when a redirect url without a state param is received in the oauth filter. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.aarch64

src:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.src

x86_64:
    ecs-service-connect-agent-v1.25.4.0-1.amzn2023.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-165.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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