Denial of service in Apache Tomcat FileUpload component

1) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU72427

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-2023-24998

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

Exploit availability: Yes

Description

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

The vulnerability exists due to Apache Commons FileUpload does not limit the number of request parts. A remote attacker can initiate a series of uploads and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Apache Tomcat: 8.5.0 - 11.0.0-M2

CPE2.3

• cpe:2.3:a:apache_foundation:apache_tomcat:8.5.84:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:9.0.70:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:10.0.27:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:10.1.4:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:11.0.0-M2:*:*:*:*:*:*:*

External links

https://seclists.org/oss-sec/2023/q1/108

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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