RCE in Microsoft Isa Server
CVE-2009-1136
The Microsoft Office Web Components Spreadsheet ActiveX control (aka OWC10 or OWC11), as distributed in Office XP SP3 and Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for the 2007 Microsoft Office System, Internet Security and Acceleration (ISA) Server 2004 SP3 and 2006 Gold and SP1, and Office Small Business Accounting 2006, when used in Internet Explorer, allows remote attackers to execute arbitrary code via a crafted call to the msDataSourceObject method, as exploited in the wild in July and August 2009, aka "Office Web Components HTML Script Vulnerability."
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.620 (99.2th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.620 · newest: 0.620 · change: 0.000
Affected products
- Microsoft Isa Server — versions 2004, 2006
- Microsoft Office — versions 2003
- Microsoft Office Web Components — versions 2003, xp
- Microsoft Office Xp — versions sp3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:5809 (signature, vdb-entry)
- isc.sans.org/diary.html
- www.us-cert.gov/cas/techalerts/TA09-223A.html (US Government Resource, third-party-advisory)
- www.microsoft.com/technet/security/advisory/973472.mspx (Vendor Advisory)
- blogs.technet.com/srd/archive/2009/07/13/more-information-about-the-office-web-…
- blogs.technet.com/msrc/archive/2009/07/13/microsoft-security-advisory-973472-re…
- xeye.us/blog/2009/07/one-0day/ (Exploit)
- trac.metasploit.com/browser/framework3/trunk/modules/exploits/windows/browser/o… (Exploit)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-043 (vendor-advisory)
Frequently asked questions
- What is CVE-2009-1136?
- CVE-2009-1136 is a vulnerability in Microsoft Isa Server, classified under Code Injection. Published 2009-07-15.
- Is CVE-2009-1136 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.