Cloudflare OctoRPKI Certificate Chain resource consumption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cloudflare OctoRPKI and classified as problematic. The impacted element is an unknown function of the component Certificate Chain Handler. Performing a manipulation results in resource consumption. This vulnerability is reported as CVE-2021-3908. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Cloudflare OctoRPKI (Cloud Software) (the affected version unknown). It has been classified as problematic. This affects an unknown part of the component Certificate Chain Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability.

The weakness was disclosed 11/12/2021 as GHSA-g5gj-9ggf-9vmq. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2021-3908 since 10/26/2021. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector (Cloudflare, Inc.): 🔍

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/26/2021 🔍
11/12/2021 +17 days 🔍
11/12/2021 +0 days 🔍
11/16/2021 +4 days 🔍

Sourcesinfo

Advisory: GHSA-g5gj-9ggf-9vmq
Status: Confirmed

CVE: CVE-2021-3908 (🔍)
GCVE (CVE): GCVE-0-2021-3908
GCVE (VulDB): GCVE-100-186567

Entryinfo

Created: 11/12/2021 08:20
Updated: 11/16/2021 09:41
Changes: 11/12/2021 08:20 (48), 11/16/2021 09:41 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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