Zero-day vulnerability in Microsoft Office

Advisory: SB2009071301 - Remote code execution in Microsoft Office Web Components

Vulnerable component: Microsoft Office

CVE-ID: CVE-2009-1136

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-119 - Memory corruption

Description:

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error in Office Web Components ActiveX Control when handling parameter values. A remote attacker can create a specially crafted Web page, trick the victim into viewing it and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.

- Microsoft Office Web Components (OWC) Spreadsheet - ActiveX Buffer Overflow (PoC) [Exploit-DB]

- Microsoft Office Web Components (OWC) Spreadsheet - msDataSourceObject Memory Corruption (MS09-043) (Metasploit) [Exploit-DB]

External links:

https://technet.microsoft.com/library/security/973472
https://isc.sans.edu/diary/Vulnerability+in+Microsoft+Office+Web+Components+Control+Could+Allow+Remo...
https://blogs.technet.microsoft.com/msrc/2009/07/13/microsoft-security-advisory-973472-released/
https://technet.microsoft.com/en-us/library/security/ms09-043.aspx
http://www.zerodayinitiative.com/advisories/ZDI-09-054/
http://www.securiteam.com/cves/2009/CVE-2009-1136.html
http://stateofsecurity.com/wp-content/uploads/2009/07/ExploitRA071409.pdf