Privilege escalation in Apache Groovy



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-17521
CWE-ID CWE-276
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Apache Groovy
Universal components / Libraries / Programming Languages & Components

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Incorrect default permissions

EUVDB-ID: #VU48792

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-17521

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for temporary files and folders that are set by the application. A local user with access to the system can view contents of files and directories or modify them.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Groovy: 2.1.9 - 4.0.0.ALPHA.1

CPE2.3 External links

http://seclists.org/oss-sec/2020/q4/183


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.



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