CVE-2007-6189

critical

Description

A certain ActiveX control in (1) OScan8.ocx and (2) Oscan81.ocx in BitDefender Online Anti-Virus Scanner 8.0 allows remote attackers to execute arbitrary code via a long argument to the InitX method that begins with a "%%" sequence, which is misinterpreted as a Unicode string and decoded twice, leading to improper memory allocation and a heap-based buffer overflow.

References

https://www.exploit-db.com/exploits/4663

http://www.vupen.com/english/advisories/2007/3935

http://www.securityfocus.com/archive/1/483986/100/100/threaded

http://securitytracker.com/id?1018986

http://securityreason.com/securityalert/3405

http://secunia.com/advisories/27717

http://research.eeye.com/html/advisories/published/AD20071120.html

Details

Source: Mitre, NVD

Published: 2007-11-30

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 9.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.08084