Vulnerability identifier: #VU95665

Vulnerability risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2002-0499

CWE-ID: CWE-399

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.

The d_path function in Linux kernel 2.2.20 and earlier, and 2.4.18 and earlier, truncates long pathnames without generating an error, which could allow local users to force programs to perform inappropriate operations on the wrong directories.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel:

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External links
http://archives.neohapsis.com/archives/vulnwatch/2002-q1/0074.html
http://www.cs.helsinki.fi/linux/linux-kernel/2002-13/0054.html
http://www.iss.net/security_center/static/8634.php
http://www.securityfocus.com/archive/1/264117
http://www.securityfocus.com/bid/4367

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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.