Cloudflare GoFlow prior 3.4.4 sflow Decoder resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Cloudflare GoFlow. Affected by this issue is some unknown functionality of the component sflow Decoder. The manipulation results in resource consumption. This vulnerability is cataloged as CVE-2022-2529. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Cloudflare GoFlow (Cloud Software). Affected is an unknown part of the component sflow Decoder. 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. CVE summarizes:

sflow decode package does not employ sufficient packet sanitisation which can lead to a denial of service attack. Attackers can craft malformed packets causing the process to consume large amounts of memory resulting in a denial of service.

The weakness was shared 09/30/2022 as GHSA-9rpw-2h95-666c. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2022-2529 since 07/25/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading to version 3.4.4 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: GoFlow 3.4.4

Timelineinfo

07/25/2022 🔍
09/30/2022 +67 days 🔍
09/30/2022 +0 days 🔍
09/30/2022 +0 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-9rpw-2h95-666c
Status: Confirmed

CVE: CVE-2022-2529 (🔍)
GCVE (CVE): GCVE-0-2022-2529
GCVE (VulDB): GCVE-100-210024

Entryinfo

Created: 09/30/2022 15:18
Changes: 09/30/2022 15:18 (51)
Complete: 🔍
Cache ID: 216::103

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