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CVE-2023-33964— mx-chain-go does not treat invalid transaction with wrong username correctly

Quick assessment

Affected
multiversx mx-chain-go
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.

mx-chain-go是MultiversX开源的一个 MultiversX 协议的 go 实现。 mx-chain-go 1.4.16 之前版本存在安全漏洞，该漏洞源于使用错误的用户名导致的无效交易在 Metachain 交易处理器未得到正确处理。

CVSS 8.6 · High EPSS 0.57% · P47

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2023-33964

Vulnerability Information
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Vulnerability Title
mx-chain-go does not treat invalid transaction with wrong username correctly
Source: CVE Program / CVE List V5
Vulnerability Description
mx-chain-go is an implementation of the MultiversX blockchain protocol written in the Go language. Metachain cannot process a cross-shard miniblock. Prior to version 1.4.16, an invalid transaction with the wrong username on metachain is not treated correctly on the metachain transaction processor. This is strictly a processing issue that could have happened on MultiversX chain. If an error like this had occurred, the metachain would have stopped notarizing blocks from the shard chains. The resuming of notarization is possible only after applying a patched binary version. A patch in version 1.4.16 introduces `processIfTxErrorCrossShard` for the metachain transaction processor. There are no known workarounds for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
mx-chain-go 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mx-chain-go是MultiversX开源的一个 MultiversX 协议的 go 实现。 mx-chain-go 1.4.16 之前版本存在安全漏洞，该漏洞源于使用错误的用户名导致的无效交易在 Metachain 交易处理器未得到正确处理。
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
multiversx mx-chain-go < 1.4.16 -

II. Public POCs for CVE-2023-33964

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III. Intelligence Information for CVE-2023-33964

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Patches & Fixes for CVE-2023-33964 (1)

Vendor Advisories for CVE-2023-33964 (1)

IV. Related Vulnerabilities

Same product: mx-chain-go
Same vendor: multiversx
Same weakness: CWE-20