Signature Detail
Short Name |
HTTP:MISC:MS-XML-SIG-VAL-DOS |
|---|---|
Severity |
High |
Recommended |
Yes |
Recommended Action |
Drop |
Category |
HTTP |
Keywords |
Microsoft .NET Framework XML Signature Validation Entity Expansion Denial of Service |
Release Date |
2013/10/24 |
Update Number |
2313 |
Supported Platforms |
idp-4.0+, isg-3.1.134269+, j-series-9.5+, mx-9.4+, srx-9.2+, srx-branch-9.4+, vsrx-12.1+ |
HTTP: Microsoft .NET Framework XML Signature Validation Entity Expansion Denial of Service
This signature detects attempts to exploit a known vulnerability in the Microsoft .NET Framework. A successful attack can result in a denial-of-service condition.
Extended Description
Microsoft .NET Framework 2.0 SP2, 3.5, 3.5 SP1, 3.5.1, 4, and 4.5 does not properly parse a DTD during XML digital-signature validation, which allows remote attackers to cause a denial of service (application crash or hang) via a crafted signed XML document, aka "Entity Expansion Vulnerability."
Affected Products
- microsoft .net_framework 2.0 (sp2)
- microsoft .net_framework 3.5.1
- microsoft .net_framework 3.5 (sp1)
- microsoft .net_framework 4.0
- microsoft .net_framework 4.5
References
- BugTraq: 62820
- CVE: CVE-2013-3860