CVE-2007-0028 — Microsoft Excel 2000, 2002, 2003, Viewer 2003, Office 2004 for Mac, and Office v

Microsoft Excel 2000, 2002, 2003, Viewer 2003, Office 2004 for Mac, and Office v.X for Mac does not properly handle certain opcodes, which allows user-assisted remote attackers to execute arbitrary code via a crafted XLS file, which results in an "Improper Memory Access Vuln

01What is this vulnerability?

Microsoft Excel 2000, 2002, 2003, Viewer 2003, Office 2004 for Mac, and Office v.X for Mac does not properly handle certain opcodes, which allows user-assisted remote attackers to execute arbitrary code via a crafted XLS file, which results in an "Improper Memory Access Vulnerability." NOTE: an early disclosure of this issue used CVE-2006-3432, but only CVE-2007-0028 should be used.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

08Timeline

• Published: 2007-01-09T23:00:00.000Z
• Last modified: 2024-08-07T12:03:36.572Z

09References

• www.fortinet.com — http://www.fortinet.com/FortiGuardCenter/advisory/FG-2006-30.html
• www.osvdb.org — http://www.osvdb.org/31249
• www.us-cert.gov — http://www.us-cert.gov/cas/techalerts/TA07-009A.html
• www.securityfocus.com — http://www.securityfocus.com/bid/21952
• www.securityfocus.com — http://www.securityfocus.com/archive/1/457274/100/0/threaded
• oval.cisecurity.org — https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3…
• www.fortinet.com — http://www.fortinet.com/FortiGuardCenter/advisory/FGA-2007-01.html
• www.kb.cert.org — http://www.kb.cert.org/vuls/id/493185
• www.vupen.com — http://www.vupen.com/english/advisories/2007/0103
• secunia.com — http://secunia.com/advisories/23676
• docs.microsoft.com — https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-00…
• www.securityfocus.com — http://www.securityfocus.com/archive/1/457274/100/0/threaded
• securitytracker.com — http://securitytracker.com/id?1017485