Kea DHCPv4 up to 1.5.0/1.6.0-beta2 Hostname assertion

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Kea DHCPv4 up to 1.5.0/1.6.0-beta2. Affected by this vulnerability is an unknown functionality. Performing a manipulation as part of Hostname results in assertion. This vulnerability is reported as CVE-2019-6473. The attacker must have access to the local network to execute the attack. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Kea DHCPv4 up to 1.5.0/1.6.0-beta2. This affects an unknown code. The manipulation as part of a Hostname leads to a assertion vulnerability. CWE is classifying the issue as CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. This is going to have an impact on availability. The summary by CVE is:

An invalid hostname option can trigger an assertion failure in the Kea DHCPv4 server process (kea-dhcp4), causing the server process to exit. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.

The weakness was disclosed 10/16/2019 (Website). It is possible to read the advisory at kb.isc.org. This vulnerability is uniquely identified as CVE-2019-6473 since 01/16/2019. The exploitability is told to be easy. The attack needs to be initiated within the local network. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Internet Systems Consortium (ISC)): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Assertion
CWE: CWE-617
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/16/2019 🔍
10/16/2019 +273 days 🔍
10/18/2019 +2 days 🔍
01/16/2024 +1551 days 🔍

Sourcesinfo

Advisory: kb.isc.org
Status: Not defined

CVE: CVE-2019-6473 (🔍)
GCVE (CVE): GCVE-0-2019-6473
GCVE (VulDB): GCVE-100-143847

Entryinfo

Created: 10/18/2019 10:04
Updated: 01/16/2024 11:15
Changes: 10/18/2019 10:04 (37), 10/18/2019 10:09 (17), 01/16/2024 11:15 (14)
Complete: 🔍
Cache ID: 216::103

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