Incorrect permission assignment for critical resource in Oracle openjdk

1) Incorrect permission assignment for critical resource

EUVDB-ID: #VU95163

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-20264

CWE-ID: CWE-732 - Incorrect Permission Assignment for Critical Resource

Exploit availability: No

Description

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

The vulnerability exists due to insecure modification flaw in the /etc/passwd file. A local user can modify the /etc/passwd and escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

openjdk: before 1.8

CPE2.3

External links

http://bugzilla.redhat.com/show_bug.cgi?id=1932283

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.