Privilege escalation in Apache Tomcat

1) Security restrictions bypass

EUVDB-ID: #VU60079

Risk: Low

CVSSv4.0: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-23181

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a time of check, time of use flaw when configured to persist sessions using the FileStore. A local user can perform certain actions which lead to security restrictions bypass and privilege escalation (code execution with Tomcat process privileges).

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Tomcat: 8.5.0 - 10.1.0-M9

CPE2.3

• cpe:2.3:a:apache_foundation:apache_tomcat:8.5.74:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:9.0.56:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:10.0.14:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:10.1.0-M9:*:*:*:*:*:*:*

External links

https://tomcat.apache.org/security-8.html
https://tomcat.apache.org/security-10.html
https://tomcat.apache.org/security-9.html

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

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.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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