CVE-2007-0031 — Heap-based buffer overflow in Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2, 2004

Heap-based buffer overflow in Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2, 2004 for Mac, and v.X for Mac allows user-assisted remote attackers to execute arbitrary code via a BIFF8 spreadsheet with a PALETTE record that contains a large number of entries.

01What is this vulnerability?

Heap-based buffer overflow in Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2, 2004 for Mac, and v.X for Mac allows user-assisted remote attackers to execute arbitrary code via a BIFF8 spreadsheet with a PALETTE record that contains a large number of entries.

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

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2007-01-09T23:00:00.000Z
• Last modified: 2024-08-07T12:03:36.984Z

09References

• www.us-cert.gov — http://www.us-cert.gov/cas/techalerts/TA07-009A.html
• labs.idefense.com — http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=461
• securitytracker.com — http://securitytracker.com/id?1017487
• www.securityfocus.com — http://www.securityfocus.com/archive/1/457274/100/0/threaded
• www.osvdb.org — http://www.osvdb.org/31258
• www.securityfocus.com — http://www.securityfocus.com/bid/21922
• www.vupen.com — http://www.vupen.com/english/advisories/2007/0103
• 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
• www.kb.cert.org — http://www.kb.cert.org/vuls/id/625532
• oval.cisecurity.org — https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3…