Incorrect permission assignment for critical resource in Oracle openjdk



| Updated: 2024-08-02
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-20264
CWE-ID CWE-732
Exploitation vector Local
Public exploit N/A
Vulnerable software
 openjdk
Web applications / JS libraries

Vendor Oracle

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Incorrect permission assignment for critical resource

EUVDB-ID: #VU95163

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

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

https://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.



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