Vulnerability identifier: #VU95633

Vulnerability risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2005-2873

CWE-ID: CWE-399

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 perform service disruption.

The ipt_recent kernel module (ipt_recent.c) in Linux kernel 2.6.12 and earlier does not properly perform certain time tests when the jiffies value is greater than LONG_MAX, which can cause ipt_recent netfilter rules to block too early, a different vulnerability than CVE-2005-2872.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel:

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External links
http://blog.blackdown.de/2005/05/09/fixing-the-ipt_recent-netfilter-module/
http://rhn.redhat.com/errata/RHBA-2007-0304.html
http://secunia.com/advisories/17826
http://www.mandriva.com/security/advisories?name=MDKSA-2005:219
http://www.mandriva.com/security/advisories?name=MDKSA-2005:220
http://www.mandriva.com/security/advisories?name=MDKSA-2005:235
http://www.securityfocus.com/bid/14791
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9838

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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.