Improper privilege management in Linux kernel

1) Improper privilege management

EUVDB-ID: #VU99977

Risk: Low

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

CVE-ID: CVE-2003-0018

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

The vulnerability allows a local user to read memory contents or crash the application.

Linux kernel 2.4.10 through 2.4.21-pre4 does not properly handle the O_DIRECT feature, which allows local attackers with write privileges to read portions of previously deleted files, or cause file system corruption.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://linux.bkbits.net:8080/linux-2.4/cset@3e2f193drGJDBg9SG6JwaDQwCBnAMQ
https://www.debian.org/security/2003/dsa-358
https://www.debian.org/security/2004/dsa-423
https://www.iss.net/security_center/static/11249.php
https://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:014
https://www.redhat.com/support/errata/RHSA-2003-025.html
https://www.securityfocus.com/bid/6763

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.