#VU95478 Improper input validation in Linux kernel - CVE-2004-0497

Vulnerability identifier: #VU95478

Vulnerability risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2004-0497

CWE-ID: CWE-20

Exploitation vector: Local

Exploit availability: Yes

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

Vendor: Linux Foundation

Description

The vulnerability allows a local user to corrupt data.

Unknown vulnerability in Linux kernel 2.x may allow local users to modify the group ID of files, such as NFS exported files in kernel 2.4.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000852
https://www.mandrakesecure.net/en/advisories/advisory.php?name=MDKSA-2004:066
https://www.novell.com/linux/security/advisories/2004_20_kernel.html
https://www.redhat.com/support/errata/RHSA-2004-354.html
https://www.redhat.com/support/errata/RHSA-2004-360.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/16599
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9867

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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. However, proof of concept for this vulnerability is available.