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CVE-2024-34360— Previous ATX is not checked to be the newest valid ATX by Smesher when validating incoming ATX

Quick assessment

Affected
spacemeshos go-spacemesh
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

go-spacemesh是Spacemesh开源的一个 Go Spacemesh 协议全节点的实现。 go-spacemesh 1.37.1之前版本存在代码问题漏洞，该漏洞源于在验证传入ATX时未将以前的ATX检查为最新的有效ATX。

CVSS 8.2 · High EPSS 0.73% · P51

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2024-34360

Vulnerability Information
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Vulnerability Title
Previous ATX is not checked to be the newest valid ATX by Smesher when validating incoming ATX
Source: CVE Program / CVE List V5
Vulnerability Description
go-spacemesh is a Go implementation of the Spacemesh protocol full node. Nodes can publish activations transactions (ATXs) which reference the incorrect previous ATX of the Smesher that created the ATX. ATXs are expected to form a single chain from the newest to the first ATX ever published by an identity. Allowing Smeshers to reference an earlier (but not the latest) ATX as previous breaks this protocol rule and can serve as an attack vector where Nodes are rewarded for holding their PoST data for less than one epoch but still being eligible for rewards. This vulnerability is fixed in go-spacemesh 1.5.2-hotfix1 and Spacemesh API 1.37.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对因果或异常条件的不恰当检查
Source: CVE Program / CVE List V5
Vulnerability Title
go-spacemesh 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
go-spacemesh是Spacemesh开源的一个 Go Spacemesh 协议全节点的实现。 go-spacemesh 1.37.1之前版本存在代码问题漏洞，该漏洞源于在验证传入ATX时未将以前的ATX检查为最新的有效ATX。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
spacemeshos go-spacemesh < 1.5.2-hotfix1 -

II. Public POCs for CVE-2024-34360

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III. Intelligence Information for CVE-2024-34360

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Patches & Fixes for CVE-2024-34360 (2)

Vendor Advisories for CVE-2024-34360 (1)

IV. Related Vulnerabilities

Same weakness: CWE-754

V. Comments for CVE-2024-34360

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