#VU99984 Improper privilege management in Linux kernel - CVE-2001-1384

Vulnerability identifier: #VU99984

Vulnerability risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2001-1384

CWE-ID: CWE-269

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 execute arbitrary code.

ptrace in Linux 2.2.x through 2.2.19, and 2.4.x through 2.4.9, allows local users to gain root privileges by running ptrace on a setuid or setgid program that itself calls an unprivileged program, such as newgrp.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https:ftp://ftp.caldera.com/pub/security/OpenLinux/CSSA-2001-036.0.txt
https://download.immunix.org/ImmunixOS/7.0/updates/IMNX-2001-70-035-01
https://marc.info/?l=bugtraq&m=100343090106914&w=2
https://marc.info/?l=bugtraq&m=100350685431610&w=2
https://online.securityfocus.com/advisories/3713
https://www.iss.net/security_center/static/7311.php
https://www.linux-mandrake.com/en/security/2001/MDKSA-2001-079.php3
https://www.linux-mandrake.com/en/security/2001/MDKSA-2001-082.php3
https://www.linuxsecurity.com/advisories/other_advisory-1650.html
https://www.novell.com/linux/security/advisories/2001_036_kernel_txt.html
https://www.redhat.com/support/errata/RHSA-2001-129.html
https://www.redhat.com/support/errata/RHSA-2001-130.html
https://www.securityfocus.com/bid/3447

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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.