5261 : Microsoft Windows ASN.1 Double Free Code Execution
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Timeline

Disclosure Date
2004-04-13

Description

Microsoft's ASN.1 implementation contains a flaw that may allow a malicious user to cause denial-of-service conditions or possibly execute arbitrary code. The issue is triggered when a specially crafted authentication request is sent to the ASN.1 parser, causing it to free memory that has already been freed. It is possible that the flaw may allow memory corruption, denial of service, or the execution of arbitrary code, resulting in a loss of confidentiality, integrity, and/or availability.

Classification

Location: Local Access Required, Remote / Network Access
Attack Type: Cryptographic, Input Manipulation
Impact: Loss of Confidentiality, Loss of Integrity, Loss of Availability

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.

Products

Microsoft Corporation
Windows XP
SP0
Windows NT
4.0
Windows Server 2003
SP0
Windows 2000
SP0
Windows 98
SP0
Windows 95
SP0
Windows XP Professional 64-bit Edition
SP0
Windows ME
SP0

References

Tools & Filters

12209

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_1 Integrity_impact_1 Availability_impact_1

Comments

No Comments.

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