CVE-2007-6189

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-11-30 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

Bitdefender Online Anti-Virus Scanner: 8.0

References

http://research.eeye.com/html/advisories/published/AD20071120.html
http://secunia.com/advisories/27717
http://securityreason.com/securityalert/3405
http://securitytracker.com/id?1018986
http://www.securityfocus.com/archive/1/483986/100/100/threaded
http://www.vupen.com/english/advisories/2007/3935
https://www.exploit-db.com/exploits/4663
http://research.eeye.com/html/advisories/published/AD20071120.html
http://secunia.com/advisories/27717
http://securityreason.com/securityalert/3405
http://securitytracker.com/id?1018986
http://www.securityfocus.com/archive/1/483986/100/100/threaded

Get alerted when CVE-2007-6189 or the next vulnerability affects your stack