#VU99959 Information exposure in Linux kernel - CVE-2003-0476

Vulnerability identifier: #VU99959

Vulnerability risk: Low

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

CVE-ID: CVE-2003-0476

CWE-ID: CWE-200

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 gain access to sensitive information.

The execve system call in Linux 2.4.x records the file descriptor of the executable process in the file table of the calling process, which allows local users to gain read access to restricted file descriptors.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://marc.info/?l=bugtraq&m=105664924024009&w=2
https://www.debian.org/security/2004/dsa-358
https://www.debian.org/security/2004/dsa-423
https://www.mandriva.com/security/advisories?name=MDKSA-2003:074
https://www.redhat.com/support/errata/RHSA-2003-238.html
https://www.redhat.com/support/errata/RHSA-2003-368.html
https://www.redhat.com/support/errata/RHSA-2003-408.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A327

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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.