Information disclosure in JUnit

Published: 2020-10-12 | Updated: 2021-01-07

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2020-15250
CWE-ID	CWE-377
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	JUnit Server applications / Frameworks for developing and running applications
Vendor	JUnit

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Insecure Temporary File

EUVDB-ID: #VU49330

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-15250

CWE-ID: CWE-377 - Insecure Temporary File

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to the application is using the test rule TemporaryFolder that stores sensitive information in temporary files in the system temporary directory, accessible by other system users. A local user can read temporary files and obtain sensitive information, related to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JUnit: 4.7 - 4.13

External links

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.