PT-2011-2091 · Microsoft · Open Xml File Format Converter For Mac+2

Aniway · Published 2011-04-12 · Updated 2018-10-12 · CVE-2011-0105

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft Excel versions 2002 SP3 Office versions 2004 and 2008 for Mac Open XML File Format Converter for Mac (affected versions not specified)

Description A remote code execution issue exists in the way Microsoft Excel handles specially crafted Excel files, allowing attackers to trigger a buffer overflow and execute arbitrary code. This could enable an attacker to take complete control of an affected system, install programs, view, change, or delete data, or create new accounts with full user rights.

Recommendations For Microsoft Excel 2002 SP3, update to a version that fixes the buffer overflow issue. For Office 2004 and 2008 for Mac, apply the necessary patches to handle specially crafted Excel files securely. For Open XML File Format Converter for Mac, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

RCE

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2011-0105

ZDI-11-121

Affected Products

Office Excel

Office

Open Xml File Format Converter For Mac

References · 12

• 🔥 https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/fileformat/ms11_021_xlb_bof.rb · Exploit
• 🔥 https://exploit-db.com/exploits/18087 · Exploit
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-021 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0105 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2011-0105 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-11-121 · Security Note
• http://vupen.com/english/advisories/2011/0940 · Note
• https://docs.microsoft.com/security-updates/securitybulletins/2011/MS11-021 · Note
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12618 · Note
• http://securitytracker.com/id?1025337 · Note
• http://secunia.com/advisories/39122 · Note
• http://us-cert.gov/cas/techalerts/TA11-102A.html · Note