Contiki-NG up to 4.5 IPv6 Neighbor Solicitation Message infinite loop

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Contiki-NG up to 4.5. Impacted is an unknown function of the component IPv6 Neighbor Solicitation Message Handler. Performing a manipulation results in infinite loop. This vulnerability is reported as CVE-2021-21279. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Contiki-NG up to 4.5. This affects an unknown code of the component IPv6 Neighbor Solicitation Message Handler. The manipulation with an unknown input leads to a infinite loop vulnerability. CWE is classifying the issue as CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. This is going to have an impact on availability.

The weakness was disclosed 06/19/2021. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-21279. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 4.6 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Contiki-NG 4.6

Timelineinfo

12/22/2020 🔍
06/19/2021 +178 days 🔍
06/19/2021 +0 days 🔍
06/21/2021 +2 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-21279 (🔍)
GCVE (CVE): GCVE-0-2021-21279
GCVE (VulDB): GCVE-100-177237

Entryinfo

Created: 06/19/2021 07:56
Updated: 06/21/2021 16:48
Changes: 06/19/2021 07:56 (37), 06/21/2021 16:40 (6), 06/21/2021 16:48 (1)
Complete: 🔍
Cache ID: 216::103

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