#VU8698 Security restrictions bypass in Apache Tomcat - CVE-2017-7675

Vulnerability identifier: #VU8698

Vulnerability risk: Low

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

CVE-ID: CVE-2017-7675

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Tomcat
Server applications / Web servers

Vendor: Apache Foundation

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

The weakness exists due to a flaw in the HTTP/2 implementation. A remote attacker can use a specially crafted URL and bypass security restraints to conduct further attacks.

Mitigation
Update to version 8.5.16.

Vulnerable software versions

Apache Tomcat: 8.5.0 - 8.5.14

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External links
https://tomcat.apache.org/security-8.html

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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.