Security restrictions bypass in Apache Tomcat

1) Security restrictions bypass

EUVDB-ID: #VU6675

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-5648

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.

The weakness exists due to the failure to use the appropriate facade object by certain application listener calls. A remote attacker can access and modify arbitrary data.

Mitigation

Update to version 7.0.76, 8.0.42, 8.5.12, 9.0.0.M18 or later.

Vulnerable software versions

Apache Tomcat: 7.0.0 - 9.0.0-M17

CPE2.3

• cpe:2.3:a:apache_foundation:apache_tomcat:7.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:7.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:7.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:7.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:7.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:7.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:7.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:7.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:7.0.8:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_tomcat:7.0.9:*:*:*:*:*:*:*

External links

https://lists.apache.org/thread.html/d0e00f2e147a9e9b13a6829133092f349b2882bf6860397368a52600@%3Cannounce.tomcat.apache.org%3E

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.