CVE-2010-3332 EXPLOIT
6.4
MEDIUM · CVSS 2.0 · EPSS 68.2% (pctl 99)
Patch early
A public exploit exists.
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."
Scoring
| CVSS | 6.4 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:P/I:P/A:N |
| EPSS | 68.23% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-209 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2010-09-22 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| microsoft | .net framework |
| microsoft | internet information services |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Microsoft ASP.NET - Auto-Decryptor File Download (MS10-070) | 2010-10-20 |
| exploit-db | Microsoft ASP.NET - Padding Oracle File Download (MS10-070) | 2010-10-17 |
| exploit-db | Microsoft ASP.NET - Padding Oracle (MS10-070) | 2010-10-06 |
References
- 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://pentonizer.com/general-programming/aspnet-poet-vulnerability-what-else-can-i-do/
- http://secunia.com/advisories/41409
- http://securitytracker.com/id?1024459
- http://threatpost.com/en_us/blogs/new-crypto-attack-affects-millions-aspnet-apps-091310
- http://twitter.com/thaidn/statuses/24832350146
- http://weblogs.asp.net/scottgu/archive/2010/09/18/important-asp-net-security-vulnerability.aspx
- http://www.dotnetnuke.com/Community/Blogs/tabid/825/EntryId/2799/Oracle-Padding-Vulnerability-in-ASP-NET.aspx
- http://www.ekoparty.org/juliano-rizzo-2010.php
- http://www.microsoft.com/technet/security/advisory/2416728.mspx
- http://www.mono-project.com/Vulnerabilities#ASP.NET_Padding_Oracle
- http://www.securityfocus.com/bid/43316
- http://www.theinquirer.net/inquirer/news/1732956/security-researchers-destroy-microsoft-aspnet-security
- http://www.troyhunt.com/2010/09/fear-uncertainty-and-and-padding-oracle.html
- http://www.vupen.com/english/advisories/2010/2429
- http://www.vupen.com/english/advisories/2010/2751
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-070
- https://exchange.xforce.ibmcloud.com/vulnerabilities/61898
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12365
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