SB2014021102 - Multiple vulnerabilities in Microsoft .NET Framework
Published: February 11, 2014 Updated: March 11, 2017
Security Bulletin ID
SB2014021102
Severity
High
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Type Traversal Vulnerability (CVE-ID: CVE-2014-0257)
The vulnerability allows a remote attacker to bypass certain security restrictions.The weakness exists due to the failure to properly verify safety of a method for execution within Microsoft .NET Framework. A remote attacker can run a specially crafted Web site, trick the victim into visiting it and gain elevated privileges and execute arbitrary code.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
2) Denial of service (CVE-ID: CVE-2014-0253)
The vulnerability allows a remote attacker to cause DoS conditions on the target system.The weakness exists due to the failure to properly identify stale or closed HTTP client connections within Microsoft ASP.NET. By sending a specially crafted HTTP POST request, a remote attacker can cause the server to stop responding.
Successful exploitation of the vulnerability may allow an attacker to perform denial of service (DoS) attack.
3) ASLR bypass (CVE-ID: CVE-2014-0295)
The vulnerability allows a remote attacker to bypass security restrictions on the target system.The weakness exists due to missing Address Space Layout Randomization (ASLR) features in certain components. A remote attacker can create a specially crafted Web site, trick the victim into opening it, bypass security restrictions and execute another attack.
Successful exploitation of the vulnerability results in security bypass on the vulnerable system.
Note: the vulnerability was being actively exploited.
Remediation
Install update from vendor's website.