Vulnerability identifier: #VU95644

Vulnerability risk: Low

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

CVE-ID: CVE-2004-1073

CWE-ID: CWE-20

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 gain access to sensitive information.

The open_exec function in the execve functionality (exec.c) in Linux kernel 2.4.x up to 2.4.27, and 2.6.x up to 2.6.8, allows local users to read non-readable ELF binaries by using the interpreter (PT_INTERP) functionality.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel:

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External links
http://secunia.com/advisories/18684
http://secunia.com/advisories/20162
http://secunia.com/advisories/20163
http://secunia.com/advisories/20202
http://secunia.com/advisories/20338
http://www.debian.org/security/2006/dsa-1067
http://www.debian.org/security/2006/dsa-1069
http://www.debian.org/security/2006/dsa-1070
http://www.debian.org/security/2006/dsa-1082
http://www.isec.pl/vulnerabilities/isec-0017-binfmt_elf.txt
http://www.mandriva.com/security/advisories?name=MDKSA-2005:022
http://www.redhat.com/support/errata/RHSA-2004-504.html
http://www.redhat.com/support/errata/RHSA-2004-505.html
http://www.redhat.com/support/errata/RHSA-2004-549.html
http://www.redhat.com/support/errata/RHSA-2005-293.html
http://www.redhat.com/support/errata/RHSA-2006-0190.html
http://www.redhat.com/support/errata/RHSA-2006-0191.html
http://www.securityfocus.com/bid/11646
http://bugzilla.fedora.us/show_bug.cgi?id=2336
http://exchange.xforce.ibmcloud.com/vulnerabilities/18025
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11503

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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.