Missing authorization in Linux kernel

1) Missing authorization

EUVDB-ID: #VU95666

Risk: Low

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

CVE-ID: CVE-2002-0570

CWE-ID: CWE-862 - Missing Authorization

Exploit availability: No

Description

The vulnerability allows a local user to corrupt data.

The encrypted loop device in Linux kernel 2.4.10 and earlier does not authenticate the entity that is encrypting data, which allows local users to modify encrypted data without knowing the key.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

External links

http://archives.neohapsis.com/archives/bugtraq/2002-01/0010.html
http://www.securityfocus.com/bid/3775
http://exchange.xforce.ibmcloud.com/vulnerabilities/7769

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.