#VU94788 Improper input validation in Linux kernel - CVE-2006-4623


| Updated: 2018-10-17

Vulnerability identifier: #VU94788

Vulnerability risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2006-4623

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The Unidirectional Lightweight Encapsulation (ULE) decapsulation component in dvb-core/dvb_net.c in the dvb driver in the Linux kernel 2.6.17.8 allows remote attackers to cause a denial of service (crash) via an SNDU length of 0 in a ULE packet. There is a patch available for the affected product release.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions


External links
https://lkml.org/lkml/2006/8/20/278
https://secunia.com/advisories/21820
https://secunia.com/advisories/22292
https://secunia.com/advisories/22382
https://secunia.com/advisories/22441
https://secunia.com/advisories/22945
https://secunia.com/advisories/23474
https://secunia.com/advisories/25691
https://secunia.com/advisories/25714
https://secunia.com/advisories/26139
https://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
https://www.debian.org/security/2007/dsa-1304
https://www.mandriva.com/security/advisories?name=MDKSA-2006:182
https://www.novell.com/linux/security/advisories/2006_79_kernel.html
https://www.redhat.com/support/errata/RHSA-2006-0689.html
https://www.securityfocus.com/archive/1/448998/100/0/threaded
https://www.securityfocus.com/archive/1/471457
https://www.securityfocus.com/bid/19939
https://www.ubuntu.com/usn/usn-489-1
https://www.vupen.com/english/advisories/2006/3551
https://issues.rpath.com/browse/RPL-721
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9775


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability