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
Published Oct 11, 2005
5.0
MEDIUMCVSS 2.0
EPSS 35.50%
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.
Affected products
No data.
- n/a
- 64-bit
- itanium
- r2
- sp1
- sp1
- n/a
- n/a
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 35.50% (0.35500) | 98.41th | v5 (v2026.06.15) |
| Jul 20, 2026 | 35.50% (0.35500) | 98.28th | v5 (v2026.06.15) |
| Jun 20, 2026 | 39.13% (0.39128) | 98.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 35.50% (0.35500) | 98.24th | v5 (v2026.06.15) |
| Dec 28, 2025 | 59.35% (0.59348) | 98.15th | v4 (v2025.03.14) |
| Dec 27, 2025 | 58.23% (0.58234) | 98.10th | v4 (v2025.03.14) |
| Oct 28, 2025 | 59.35% (0.59348) | 98.13th | v4 (v2025.03.14) |
| Oct 27, 2025 | 58.23% (0.58234) | 98.08th | v4 (v2025.03.14) |
| Oct 23, 2025 | 59.35% (0.59348) | 98.12th | v4 (v2025.03.14) |
| Oct 1, 2025 | 73.49% (0.73492) | 98.77th | v4 (v2025.03.14) |
| Mar 30, 2025 | 58.23% (0.58234) | 98.01th | v4 (v2025.03.14) |
| Mar 29, 2025 | 62.23% (0.62226) | 97.66th | v4 (v2025.03.14) |
| Mar 23, 2025 | 58.23% (0.58234) | 97.95th | v4 (v2025.03.14) |
| Mar 17, 2025 | 56.50% (0.56502) | 97.89th | v4 (v2025.03.14) |
| Dec 12, 2024 | 93.12% (0.93119) | 99.17th | v3 (v2023.03.01) |
| Sep 17, 2024 | 93.12% (0.93119) | 99.11th | v3 (v2023.03.01) |
| Feb 8, 2024 | 94.70% (0.94700) | 99.17th | v3 (v2023.03.01) |
| Jan 31, 2024 | 95.22% (0.95221) | 99.19th | v3 (v2023.03.01) |
| Sep 1, 2023 | 92.90% (0.92902) | 98.66th | v3 (v2023.03.01) |
| Mar 7, 2023 | 94.64% (0.94645) | 98.71th | v3 (v2023.03.01) |
| Mar 6, 2023 | 46.54% (0.46543) | 98.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 46.54% (0.46543) | 97.92th | v2 (v2022.01.01) |
No CWE recorded.
References (16)
- http://secunia.com/advisories/17161 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/17172 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/17223 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/17509 third-party-advisoryx_refsource_SECUNIA
- http://securityreason.com/securityalert/73 third-party-advisoryx_refsource_SREASON
- http://securitytracker.com/id?1015037 vdb-entryx_refsource_SECTRACK
- http://support.avaya.com/elmodocs2/security/ASA-2005-214.pdf x_refsource_CONFIRM
- http://www.eeye.com/html/research/advisories/AD20051011b.html third-party-advisoryx_refsource_EEYE
- http://www.kb.cert.org/vuls/id/180868 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.osvdb.org/18828 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/15056 vdb-entryx_refsource_BID
- http://www.us-cert.gov/cas/techalerts/TA05-284A.html third-party-advisoryx_refsource_CERTUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-051 vendor-advisoryx_refsource_MS
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1071 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1452 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A551 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.