#VU18950 Resource management error in Linux kernel - CVE-2014-8160
Published: July 1, 2019
Vulnerability identifier: #VU18950
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2014-8160
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to net/netfilter/nf_conntrack_proto_generic.c in the Linux kernel generates incorrect conntrack entries when handling certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols. A remote attacker can send packets with disallowed port numbers to the affected system and bypass iptables filtering rules.
Remediation
Install updates from vendor's website.
External links
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=db29a9508a9246e77087c5531e45b2c88ec6988b
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
- http://rhn.redhat.com/errata/RHSA-2015-0284.html
- http://rhn.redhat.com/errata/RHSA-2015-0290.html
- http://rhn.redhat.com/errata/RHSA-2015-0674.html
- http://www.debian.org/security/2015/dsa-3170
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:057
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:058
- http://www.openwall.com/lists/oss-security/2015/01/14/3
- http://www.securityfocus.com/bid/72061
- http://www.spinics.net/lists/netfilter-devel/msg33430.html
- http://www.ubuntu.com/usn/USN-2513-1
- http://www.ubuntu.com/usn/USN-2514-1
- http://www.ubuntu.com/usn/USN-2515-1
- http://www.ubuntu.com/usn/USN-2516-1
- http://www.ubuntu.com/usn/USN-2517-1
- http://www.ubuntu.com/usn/USN-2518-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1182059
- https://github.com/torvalds/linux/commit/db29a9508a9246e77087c5531e45b2c88ec6988b