Amazon Linux AMI update for tomcat9



| Updated: 2024-12-13
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-23672
CVE-2024-24549
CWE-ID CWE-400
CWE-20
Exploitation vector Network
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

tomcat9
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU87509

Risk: Medium

CVSSv4.0: 6.6 [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-2024-23672

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can keep WebSocket connections open for a long time to trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

noarch:
    tomcat9-webapps-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-docs-webapp-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-servlet-4.0-api-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-el-3.0-api-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-admin-webapps-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-jsp-2.3-api-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-lib-9.0.87-1.amzn2023.0.2.noarch

src:
    tomcat9-9.0.87-1.amzn2023.0.2.src

Vulnerable software versions

Amazon Linux AMI: All versions

tomcat9: before 9.0.87-1

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2024-577.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: #VU87510

Risk: Medium

CVSSv4.0: 7.7 [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:P/U:Green]

CVE-ID: CVE-2024-24549

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

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 handling HTTP/2 requests. A remote attacker can send specially crafted HTTP/2 requests to the server and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

noarch:
    tomcat9-webapps-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-docs-webapp-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-servlet-4.0-api-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-el-3.0-api-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-admin-webapps-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-jsp-2.3-api-9.0.87-1.amzn2023.0.2.noarch
    tomcat9-lib-9.0.87-1.amzn2023.0.2.noarch

src:
    tomcat9-9.0.87-1.amzn2023.0.2.src

Vulnerable software versions

Amazon Linux AMI: All versions

tomcat9: before 9.0.87-1

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2024-577.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. However, proof of concept for this vulnerability is available.



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