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Fencer Vulns
critical 9.3

CVE-2008-3878 in the critical feed json

Stack-based buffer overflow in the Ultra.OfficeControl ActiveX control in OfficeCtrl.ocx 2.0.2008.801 in Ultra Shareware Ultra Office Contr…

published 2008-09-02 18 y ago modified 2026-06-16 4 mo ago also EUVD-2008-3864

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
36.2%
EPSS 36.2% chance of exploitation in 30 days, percentile 98%
public exploits
3
Metasploit, Exploit-DB

Summary

Stack-based buffer overflow in the Ultra.OfficeControl ActiveX control in OfficeCtrl.ocx 2.0.2008.801 in Ultra Shareware Ultra Office Control allows remote attackers to execute arbitrary code via long strUrl, strFile, and strPostData parameters to the HttpUpload method.

Timeline

  1. First public exploit (Metasploit exploit/windows/browser/ultraoffice_httpupload)
  2. Published

Exploit prediction

36.23% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/windows/browser/ultraoffice_httpupload Ultra Shareware Office Control ActiveX HttpUpload Buffer Overflow metasploit exploit, good rank, 2008-08-27
  • EDB-16513 Ultra Shareware Office Control - ActiveX HttpUpload Buffer Overflow (Metasploit) remote, 2010-09-20
  • EDB-6318 Ultra Shareware Office Control - ActiveX Control Remote Buffer Overflow remote, 2008-08-27
  • shinnai.net http://www.shinnai.net/xplits/TXT_RvfuIrwypWLMaiVn33Iy.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.