With this April Microsoft Patch Tuesday Security Update, we see a particularly heavy series of Microsoft Security updates with 11 Security Patches. This month we see five updates rated as Critical, five as Important and one patch rated as Moderate.
Our sample of over 2,000 applications are analysed for application level conflicts with Microsoft Security Updates and potential dependencies, or down-level conflicts.
Based on the results of our AOK Application Compatibility Lab only one patch appears to have the potential for a moderate impact on a standard corporate or enterprise application portfolio; MS10-028: Vulnerabilities in Microsoft Visio Could Allow Remote Code Execution. The other two patches; MS010-022 and MS010-023 should be prioritized as well as they produced a marginal impact on our test application database. We have included a brief snap-shot of some of the results from our AOK Software that demonstrates some of the potential impacts on the application package with the following snap-shot image.
MS10-028: Vulnerabilities in Microsoft Visio Could Allow Remote Code Execution.
Testing Summary- MS10-019 : "Vulnerabilities in Windows Could Allow Remote Code Execution (981210)"
- MS10-020 : "Vulnerabilities in SMB Client Could Allow Remote Code Execution (980232)"
- MS10-021 : "Vulnerabilities in Windows Kernel Could Allow Elevation of Privilege (979683)"
- MS10-022 : "Vulnerability in VBScript Could Allow Remote Code Execution (981169)"
- MS10-023 : "Vulnerability in Microsoft Office Publisher Could Allow Remote Code Execution (981160)"
- MS10-024 : "Vulnerabilities in Microsoft Exchange and Windows SMTP Service Could Allow Denial of Service (981832)"
- MS10-025 : "Vulnerability in Microsoft Windows Media Services Could Allow Remote Code Execution (980858)"
- MS10-026 : "Vulnerability in Microsoft MPEG Layer-3 Codecs Could Allow Remote Code Execution (977816)"
- MS10-027 : "Vulnerability in Windows Media Player Could Allow Remote Code Execution (979402)"
- MS10-028 : "Vulnerabilities in Microsoft Visio Could Allow Remote Code Execution (980094)"
- MS10-029 : "Vulnerabilities in Windows ISATAP Component Could Allow Spoofing (978338)"
| Patch Name | Total
Issues | Matches
Affected | Reboot | Rating | RAG |
|---|
| Microsoft Security Bulletin MS10-019 | <1% | <1% | YES | Marginal impact and negligible testing profile |  |
| Microsoft Security Bulletin MS10-020 | <1% | <1% | YES | Marginal impact and negligible testing profile | |
| Microsoft Security Bulletin MS10-021 | <1% | <1% | YES | Marginal impact and negligible testing profile | |
| Microsoft Security Bulletin MS10-022 | 2% | 2% | YES | Marginal impact and negligible testing profile |  |
| Microsoft Security Bulletin MS10-023 | 1% | 1% | YES | Marginal impact and negligible testing profile | |
| Microsoft Security Bulletin MS10-024 | <1% | <1% | YES | Marginal impact and negligible testing profile | |
| Microsoft Security Bulletin MS10-025 | <1% | <1% | YES | Marginal impact and negligible testing profile | |
| Microsoft Security Bulletin MS10-026 | <1% | <1% | YES | Marginal impact and negligible testing profile | |
| Microsoft Security Bulletin MS10-027 | <1% | <1% | YES | Marginal impact and negligible testing profile | |
| Microsoft Security Bulletin MS10-028 | 4% | 6% | YES | Marginal impact and negligible testing profile | |
| Microsoft Security Bulletin MS10-029 | <1% | <1% | YES | Marginal impact and negligible testing profile | |
Legend:
| No Issues Detected |
 | Potentially fixable application Impact |
 | Serious Compatibility Issue |
Security Update Detailed Summary
| MS10-019 | Vulnerability in Windows Movie Maker Could Allow Remote Code Execution |
| Description | This security update resolves two privately reported vulnerabilities in Windows Authenticode Verification that could allow remote code execution. An attacker who successfully exploited either 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. |
| Payload | Wintrust.dll, cabview.dll |
| Impact | Critical – Remote Code Execution |
| MS10-020 | Vulnerabilities in Windows Could Allow Remote Code Execution |
| Description | This security update resolves one publicly disclosed and several privately reported vulnerabilities in Microsoft Windows. The vulnerabilities could allow remote code execution if an attacker sent a specially crafted SMB response to a client-initiated SMB request. To exploit these vulnerabilities, an attacker must convince the user to initiate an SMB connection to a specially crafted SMB server. |
| Payload | Mrxsmb.sys, Rdbss.sys, Sp3res.dll |
| Impact | Critical – Remote Code Execution |
| MS10-021 | Vulnerabilities in Windows Kernel Could Allow Elevation of Privilege |
| Description | This security update resolves several privately reported vulnerabilities in Microsoft Windows. The most severe of these vulnerabilities could allow elevation of privilege if an attacker logged on locally and ran a specially crafted application. An attacker must have valid logon credentials and be able to log on locally to exploit these vulnerabilities. The vulnerabilities could not be exploited remotely or by anonymous users. |
| Payload | Mup.sys, Ntkrnlmp.exe, Ntkrnlpa.exe, Ntkrpamp.exe, Ntoskrnl.exe, Mpsyschk.dll |
| Impact | Important – Elevation of Privilege |
| MS10-022 | Vulnerability in VBScript Could Allow Remote Code Execution |
| Description | This security update resolves a publicly disclosed vulnerability in VBScript on Microsoft Windows that could allow remote code execution. This security update is rated Important for Microsoft Windows 2000, Windows XP, and Windows Server 2003. On Windows Server 2008, Windows Vista, Windows 7, and Windows Server 2008 R2, the vulnerable code is not exploitable; however, as the code is present, this update is provided as a defence-in-depth measure and has no severity rating. The vulnerability could allow remote code execution if a malicious Web site displayed a specially crafted dialog box on a Web page and a user pressed the F1 key, causing the Windows Help System to be started with a Windows Help File provided by the attacker. 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. |
| Payload | Vbscript.dll |
| Impact | Important – Remote Code Execution |
| MS10-023 | Vulnerability in Microsoft Office Publisher Could Allow Remote Code Execution |
| Description | This security update resolves a privately reported vulnerability in Microsoft Office Publisher that could allow remote code execution if a user opens a specially crafted Publisher file. An attacker who successfully exploited this vulnerability could gain the same user rights as the local user. 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. |
| Payload | Morph9.dll,Mspub.exe, Prtf9.dll, Ptxt9.dll, Pubconv.dll, Pubtrap.dll |
| Impact | Important – Remote Code Execution |
| MS10-024 | Vulnerabilities in Microsoft Exchange and Windows SMTP Service Could Allow Denial of Service |
| Description | This security update resolves one publicly disclosed vulnerability and one privately reported vulnerability in Microsoft Exchange and Windows SMTP Service. The more severe of these vulnerabilities could allow denial of service if an attacker sent a specially crafted DNS response to a computer running the SMTP service. By default, the SMTP component is not installed on Windows Server 2003, Windows Server 2003 x64 Edition, or Windows XP Professional x64 Edition. |
| Payload | Smtpsvc.dll |
| Impact | Important – Denial of Service |
| MS10-025 | Vulnerability in Microsoft Windows Media Services Could Allow Remote Code Execution |
| Description | This security update resolves a privately reported vulnerability in Windows Media Services running on Microsoft Windows 2000 Server. The vulnerability could allow remote code execution if an attacker sent a specially crafted transport information packet to a Microsoft Windows 2000 Server system running Windows Media Services. Firewall best practices and standard default firewall configurations can help protect networks from attacks that originate from outside the enterprise perimeter. Best practices recommend that systems that are connected to the Internet have a minimal number of ports exposed. On Microsoft Windows 2000 Server, Windows Media Services is an optional component and is not installed by default. |
| Payload | Nsum.exe |
| Impact | Critical – Remote Code Execution |
| MS10-026 | Vulnerability in Microsoft MPEG Layer-3 Codecs Could Allow Remote Code Execution |
| Description | This security update resolves a privately reported vulnerability in Microsoft MPEG Layer-3 audio codecs. The vulnerability could allow remote code execution if a user opened a specially crafted AVI file containing an MPEG Layer-3 audio stream. 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. |
| Payload | L3codecx.ax, L3codeca.acm |
| Impact | Critical – Remote Code Execution |
| MS10-027 | Vulnerability in Windows Media Player Could Allow Remote Code Execution |
| Description | This security update resolves a privately reported vulnerability in Windows Media Player. The vulnerability could allow remote code execution if Windows Media Player opened specially crafted media content hosted on a malicious Web site. An attacker who successfully exploited this vulnerability could gain the same user rights as the local user. 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. |
| Payload | Wmp.dll |
| Impact | Critical – Remote Code Execution |
| MS10-028 | Vulnerabilities in Microsoft Visio Could Allow Remote Code Execution |
| Description | This security update resolves two privately reported vulnerabilities in Microsoft Office Visio. The vulnerabilities could allow remote code execution if a user opens a specially crafted Visio file. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the local user. 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. |
| Payload | Aec.dll, Bstorm.dll, Dbengr.dll, Drilldwn.dll, Dwgcnv.dll, Dwgdp.dll, Facility.dll, Gantt.dll, Hvac.dll, Orgchart.dll, Orgchwiz.dll, Pe.dll, Sg.dll, Timesoln.dll, Uml.dll, Visbrgr.dll, Viscolor.dll, Visdlgu.dll, Visfilt.dll, Visgrf.dll, Visio.exe, Vislib.dll, Visshe.dll, Vissupp.dll, Visutils.dll, Visweb.dll, Xfunc.dll |
| Impact | Important – Remote Code Execution |
| MS10-029 | Vulnerabilities in Windows ISATAP Component Could Allow Spoofing |
| Description | This security update resolves one privately reported vulnerability in Microsoft Windows. This security update is rated Moderate for Windows XP, Windows Server 2003, Windows Vista, and Windows Server 2008. Windows 7 and Windows Server 2008 R2 are not vulnerable because these operating systems include the feature deployed by this security update. This vulnerability could allow an attacker to spoof an IPv4 address so that it may bypass filtering devices that rely on the source IPv4 address. The security update addresses the vulnerability by changing the manner in which the Windows TCP/IP stack checks the source IPv6 address in a tunneled ISATAP packet. |
| Payload | 6to4svc.dll, Tcpip6.sys, 6to4svc.dll, Tcpip6.sys, 6to4svc.dll, Tcpip6.sys, 6to4svc.dll, Tcpip6.sys |
| Impact | Moderate – Spoofing |
*All results are based on an AOK Application Compatibility Lab’s test portfolio of over 1,000 applications.
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