#VU95663 Improper access control in Linux kernel - CVE-2003-0246

Vulnerability identifier: #VU95663

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2003-0246

CWE-ID: CWE-284

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to read and manipulate data.

The ioperm system call in Linux kernel 2.4.20 and earlier does not properly restrict privileges, which allows local users to gain read or write access to certain I/O ports.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://archives.neohapsis.com/archives/vulnwatch/2003-q2/0076.html
https://marc.info/?l=bugtraq&m=105301461726555&w=2
https://www.debian.org/security/2003/dsa-311
https://www.debian.org/security/2003/dsa-312
https://www.debian.org/security/2003/dsa-332
https://www.debian.org/security/2003/dsa-336
https://www.debian.org/security/2004/dsa-442
https://www.mandriva.com/security/advisories?name=MDKSA-2003:066
https://www.mandriva.com/security/advisories?name=MDKSA-2003:074
https://www.redhat.com/support/errata/RHSA-2003-147.html
https://www.redhat.com/support/errata/RHSA-2003-172.html
https://www.turbolinux.com/security/TLSA-2003-41.txt
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A278

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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.