GossipSub 1.1/2.0 Topic Message access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

A vulnerability was found in GossipSub 1.1/2.0 and classified as critical. Affected by this issue is an unknown code of the component Topic Message Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

GossipSub 1.1, as used for Ethereum 2.0, allows a peer to maintain a positive score (and thus not be pruned from the network) even though it continuously misbehaves by never forwarding topic messages.

The weakness was presented 12/19/2022. The advisory is shared for download at arxiv.org. This vulnerability is handled as CVE-2022-47547 since 12/19/2022. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

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

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
ATT&CK: T1068

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

12/19/2022 Advisory disclosed
12/19/2022 +0 days CVE reserved
12/19/2022 +0 days VulDB entry created
01/15/2023 +27 days VulDB last update

Sourcesinfo

Advisory: arxiv.org
Status: Not defined

CVE: CVE-2022-47547 (🔒)

Entryinfo

Created: 12/19/2022 02:06 PM
Updated: 01/15/2023 03:04 PM
Changes: 12/19/2022 02:06 PM (37), 01/15/2023 03:04 PM (11)
Complete: 🔍

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