#VU99991 Improper privilege management in Linux kernel - CVE-2000-0506

Vulnerability identifier: #VU99991

Vulnerability risk: Low

CVSSv4.0: 8.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2000-0506

CWE-ID: CWE-269

Exploitation vector: Network

Exploit availability: Yes

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

Vendor: Linux Foundation

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The 'capabilities' feature in Linux before 2.2.16 allows local users to cause a denial of service or gain privileges by setting the capabilities to prevent a setuid program from dropping privileges, aka the 'Linux kernel setuid/setcap vulnerability.'

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https:ftp://sgigate.sgi.com/security/20000802-01-P
https://archives.neohapsis.com/archives/bugtraq/2000-06/0062.html
https://archives.neohapsis.com/archives/bugtraq/2000-06/0063.html
https://www.redhat.com/support/errata/RHSA-2000-037.html
https://www.securityfocus.com/bid/1322
https://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.LNX.4.21.0006090852340.3475-300000@alfa.elzabsoft.pl

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.