Path traversal in Jooby web framework for Java and Kotlin

1) Path traversal

EUVDB-ID: #VU28000

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-7647

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to insufficient sanitization of user-supplied passed via . A remote attacker can send a specially crafted HTTP request containing directory traversal sequences and read contents of arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Jooby: 0.1.0 - 2.8.1

External links

http://github.com/jooby-project/jooby/commit/34f526028e6cd0652125baa33936ffb6a8a4a009
http://snyk.io/vuln/SNYK-JAVA-ORGJOOBY-568807
http://github.com/jooby-project/jooby/security/advisories/GHSA-px9h-x66r-8mpc

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.