Microsoft Security Bulletins
April 2008
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April 2008
Microsoft Security Bulletin MS08-018
Vulnerability in Microsoft Project Could Allow Remote Code Execution (950183)
Severity: CriticalVulnerabilities:
- Project Memory Validation Vulnerability - CVE-2008-1088
A remote code execution vulnerability exists in the way Microsoft Project handles specially crafted Project files. An attacker could exploit the vulnerability by sending a malformed file which could be included as an e-mail attachment, or hosted on a specially crafted or compromised Web site. If a user were logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less affected than users who operate with administrative user rights.
Microsoft Security Bulletin MS08-019
Vulnerabilities in Microsoft Visio Could Allow Remote Code Execution (949032)
Severity: ImportantVulnerabilities:
- Visio Object Header Vulnerability CVE-2008-1089
A remote code execution vulnerability exists in the way Microsoft Visio validates object header data in specially crafted Visio files. An attacker could exploit the vulnerability by sending a malformed file which could be included as an e-mail attachment, or hosted on a specially crafted or compromised Web site. If a user were logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less affected than users who operate with administrative user rights. - Visio Memory Validation Vulnerability - CVE-2008-1090
A remote code execution vulnerability exists in the way Microsoft Visio validates memory allocations when loading specially-crafted Visio files from disk into memory. An attacker could exploit the vulnerability by sending a malformed file which could be included as an e-mail attachment, or hosted on a specially crafted or compromised Web site. If a user were logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less affected than users who operate with administrative user rights.
Microsoft Security Bulletin MS08-020
Vulnerability in DNS Client Could Allow Spoofing (945553)
Severity: ImportantVulnerabilities:
- DNS Spoofing Attack Vulnerability – CVE-2008-0087
A spoofing vulnerability exists in Windows DNS clients. The vulnerability could allow an unauthenticated attacker to send malicious responses to DNS requests made by vulnerable clients, thereby spoofing or redirecting Internet traffic from legitimate locations.
Microsoft Security Bulletin MS08-021
Vulnerability in GDI Could Allow Remote Code Execution (948590)
Severity: CriticalVulnerabilities:
- GDI Heap Overflow Vulnerability - CVE-2008-1083
A remote code execution vulnerability exists in the way that GDI handles integer calculations. The vulnerability could allow remote code execution if a user opens a specially crafted EMF or WMF image file. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts. - GDI Stack Overflow Vulnerability - CVE-2008-1087
A remote code execution vulnerability exists in the way that GDI handles filename parameters in EMF files. The vulnerability could allow remote code execution if a user opens a specially crafted EMF image file. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts.
Microsoft Security Bulletin MS08-022
Vulnerability in VBScript and JScript Scripting Engines Could Allow Remote Code Execution (944338)
Severity: CriticalVulnerabilities:
- VBScript/JScript Remote Code Execution Vulnerability - CVE-2008-0083
A remote code execution vulnerability exists in the way that the VBScript and JScript scripting engines decode script in Web pages. This vulnerability could allow remote code execution if a user opened a specially crafted file or visited a Web site that is running specially crafted script. If a user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
Microsoft Security Bulletin MS08-023
Security Update of ActiveX Killbits (948881)
Severity: CriticalVulnerabilities:
- ActiveX Object Memory Corruption Vulnerability - CVE-2008-1086
A remote code execution vulnerability exists in the component hxvz.dll. An attacker could exploit the vulnerability by constructing a specially crafted Web page. When a user views the Web page, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged on user
Microsoft Security Bulletin MS08-024
Cumulative Security Update for Internet Explorer (947864)
Severity: CriticalVulnerabilities:
- Data Stream Handling Memory Corruption Vulnerability - CVE-2008-1085
A remote code execution vulnerability exists in Internet Explorer because of the way that it processes data streams. An attacker could exploit the vulnerability by constructing a specially crafted Web page. When a user views the Web page, the vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could gain the same user rights as the logged on user.
Microsoft Security Bulletin MS08-025
Vulnerability in Windows Kernel Could Allow Elevation of Privilege (941693)
Severity: ImportantVulnerabilities:
- Windows Kernel Vulnerability - CVE-2008-1084
An elevation of privilege vulnerability exists due to the Windows kernel improperly validating input passed from usermode to the Kernel. The vulnerability could allow an attacker to run code with elevated privileges. An attacker who successfully exploited this vulnerability could execute arbitrary code and take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.
