SB2009081102 - Denial of service in Microsoft .NET Framework



SB2009081102 - Denial of service in Microsoft .NET Framework

Published: August 11, 2009 Updated: March 16, 2017

Security Bulletin ID SB2009081102
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Partial DoS

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Denial of service (CVE-ID: CVE-2009-1536)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Amber


The vulnerability allows a remote attacker to cause DoS conditions on the target system.

The weakness exists due to incorrect managing of request scheduling by ASP.NET. By sending multiple HTTP requests, a remote attacker can trigger the Web server to crash.

Successful exploitation of the vulnerability results in denial of service on the vulnerable system.

Note: the vulnerability was being actively exploited.

Remediation

Install update from vendor's website.