Information disclosure in Eclipse Jersey

1) Information disclosure

EUVDB-ID: #VU52651

Risk: Low

CVSSv3.1: 5.4 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28168

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to the use of the File.createTempFile which creates a file inside of the system temporary directory with the permissions: -rw-r--r--. A local attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Jersey: 2.28 - 3.0.1

External links

http://github.com/eclipse-ee4j/jersey/security/advisories/GHSA-c43q-5hpj-4crv
http://github.com/eclipse-ee4j/jersey/pull/4712

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.

Is there known malware, which exploits this vulnerability?

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