Amazon Linux AMI update for httpd24



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-27316
CWE-ID CWE-400
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

httpd24
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU88153

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-2024-27316

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: Yes

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 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:

i686:
    httpd24-debuginfo-2.4.59-1.102.amzn1.i686
    mod24_session-2.4.59-1.102.amzn1.i686
    httpd24-devel-2.4.59-1.102.amzn1.i686
    mod24_proxy_html-2.4.59-1.102.amzn1.i686
    httpd24-2.4.59-1.102.amzn1.i686
    mod24_ldap-2.4.59-1.102.amzn1.i686
    httpd24-tools-2.4.59-1.102.amzn1.i686
    mod24_ssl-2.4.59-1.102.amzn1.i686
    mod24_md-2.4.59-1.102.amzn1.i686

noarch:
    httpd24-manual-2.4.59-1.102.amzn1.noarch

src:
    httpd24-2.4.59-1.102.amzn1.src

x86_64:
    httpd24-2.4.59-1.102.amzn1.x86_64
    mod24_ldap-2.4.59-1.102.amzn1.x86_64
    httpd24-debuginfo-2.4.59-1.102.amzn1.x86_64
    mod24_proxy_html-2.4.59-1.102.amzn1.x86_64
    httpd24-tools-2.4.59-1.102.amzn1.x86_64
    httpd24-devel-2.4.59-1.102.amzn1.x86_64
    mod24_ssl-2.4.59-1.102.amzn1.x86_64
    mod24_session-2.4.59-1.102.amzn1.x86_64
    mod24_md-2.4.59-1.102.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

httpd24: before 2.4.59-1.102

CPE2.3 External links

https://alas.aws.amazon.com/ALAS-2024-1931.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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