Security restrictions bypass in Linux kernel

1) Security restrictions bypass

EUVDB-ID: #VU95767

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2005-2555

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a local user to read and manipulate data.

Linux kernel 2.6.x does not properly restrict socket policy access to users with the CAP_NET_ADMIN capability, which could allow local users to conduct unauthorized activities via (1) ipv4/ip_sockglue.c and (2) ipv6/ipv6_sockglue.c.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

External links

http://secunia.com/advisories/17002
http://secunia.com/advisories/17073
http://secunia.com/advisories/17826
http://secunia.com/advisories/19369
http://secunia.com/advisories/19374
http://www.debian.org/security/2006/dsa-1017
http://www.debian.org/security/2006/dsa-1018
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6fc0b4a7a73a81e74d0004732df358f4f9975be2
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=6fc0b4a7a73a81e74d0004732df358f4f9975be2
http://www.mandriva.com/security/advisories?name=MDKSA-2005:218
http://www.mandriva.com/security/advisories?name=MDKSA-2005:219
http://www.novell.com/linux/security/advisories/2005_50_kernel.html
http://www.redhat.com/support/errata/RHSA-2005-514.html
http://www.redhat.com/support/errata/RHSA-2005-663.html
http://www.securityfocus.com/archive/1/427980/100/0/threaded
http://www.securityfocus.com/bid/14609
http://www.vupen.com/english/advisories/2005/1878
http://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10444
http://usn.ubuntu.com/169-1/

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.