Vulnerability identifier: #VU62849

Vulnerability 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-2022-24823

CWE-ID: CWE-378

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Netty
Universal components / Libraries / Libraries used by multiple products

Vendor: Netty project

Description

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

The vulnerability exists due to usage of insecure permissions for temporary files. A local user can view contents of temporary files and gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Netty: 4.0.0 - 4.1.76

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External links
http://github.com/netty/netty/commit/185f8b2756a36aaa4f973f1a2a025e7d981823f1
http://github.com/netty/netty/security/advisories/GHSA-269q-hmxg-m83q

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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.