ISC Kea 0.9.2/1.0.0-beta DHCP Server input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in ISC Kea 0.9.2/1.0.0-beta and classified as problematic. This affects an unknown function of the component DHCP Server. The manipulation leads to input validation. This vulnerability is documented as CVE-2015-8373. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in ISC Kea 0.9.2/1.0.0-beta. It has been rated as critical. This issue affects an unknown part of the component DHCP Server. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

The kea-dhcp4 and kea-dhcp6 servers 0.9.2 and 1.0.0-beta in ISC Kea, when certain debugging settings are used, allow remote attackers to cause a denial of service (daemon crash) via a malformed packet.

The weakness was released 12/22/2015 (Website). The advisory is shared at kb.isc.org. The identification of this vulnerability is CVE-2015-8373 since 11/26/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 87744 (FreeBSD : kea -- unexpected termination while handling a malformed packet (59e7eb28-b309-11e5-af83-80ee73b5dcf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (87744), SecurityFocus (BID 79740†) and Vulnerability Center (SBV-56332†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.8
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87744
Nessus Name: FreeBSD : kea -- unexpected termination while handling a malformed packet (59e7eb28-b309-11e5-af83-80ee73b5dcf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for kea FEDORA-2015-930
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

11/26/2015 🔍
12/21/2015 +25 days 🔍
12/21/2015 +0 days 🔍
12/22/2015 +0 days 🔍
12/22/2015 +0 days 🔍
12/25/2015 +3 days 🔍
01/03/2016 +9 days 🔍
01/05/2016 +2 days 🔍
02/01/2016 +27 days 🔍
07/01/2022 +2341 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: FEDORA-2015-930b020175
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8373 (🔍)
GCVE (CVE): GCVE-0-2015-8373
GCVE (VulDB): GCVE-100-79901
SecurityFocus: 79740 - ISC Kea CVE-2015-8373 Denial of Service Vulnerability
Vulnerability Center: 56332 - ISC Kea 0.9.2 and 1.0.0-beta DHCP Servers Remote DoS via Malformed Packet, High

Entryinfo

Created: 12/25/2015 12:26
Updated: 07/01/2022 14:17
Changes: 12/25/2015 12:26 (57), 07/23/2018 07:39 (24), 07/01/2022 14:17 (4)
Complete: 🔍
Cache ID: 216::103

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