National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2006-4623 Detail

Description

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.

Source:  MITRE      Last Modified:  09/11/2006

Quick Info

CVE Dictionary Entry:
CVE-2006-4623
Original release date:
09/11/2006
Last revised:
10/10/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
7.8 HIGH
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore:
6.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows disruption of service

Evaluator Solution

There is a patch available for the affected product release.

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/21/2006)

Red Hat is aware of this issue and is tracking it via the following bug for Red Hat Enterprise Linux 4: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=204912 This issue does not affect Red Hat Enterprise Linux 2.1 or 3.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://lkml.org/lkml/2006/8/20/278 Patch External Source MLIST [lkml-patch] 20060821 dvb-core: Proper handling ULE SNDU length of 0
http://support.avaya.com/elmodocs2/security/ASA-2006-249.htm External Source CONFIRM http://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
http://www.debian.org/security/2007/dsa-1304 External Source DEBIAN DSA-1304
http://www.mandriva.com/security/advisories?name=MDKSA-2006:182 External Source MANDRIVA MDKSA-2006:182
http://www.novell.com/linux/security/advisories/2006_79_kernel.html External Source SUSE SUSE-SA:2006:079
http://www.redhat.com/support/errata/RHSA-2006-0689.html External Source REDHAT RHSA-2006:0689
http://www.securityfocus.com/archive/1/471457 External Source BUGTRAQ 20070615 rPSA-2007-0124-1 kernel xen
http://www.securityfocus.com/archive/1/archive/1/448998/100/0/threaded External Source BUGTRAQ 20061017 rPSA-2006-0194-1 kernel
http://www.securityfocus.com/bid/19939 Patch External Source BID 19939
http://www.ubuntu.com/usn/usn-489-1 External Source UBUNTU USN-489-1
http://www.vupen.com/english/advisories/2006/3551 External Source VUPEN ADV-2006-3551
https://issues.rpath.com/browse/RPL-721 External Source CONFIRM https://issues.rpath.com/browse/RPL-721
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9775 External Source OVAL oval:org.mitre.oval:def:9775

References to Check Content

Identifier:
oval:org.mitre.oval:def:9775
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:9775

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:linux:linux_kernel:2.6.17.8:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History 3 change records found - show changes