Vulnerability CVE-2007-6189
Published: 2007-11-29   Modified: 2012-02-12

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.

See advisories in our WLB2 database:
Topic
Author
Date
High
BitDefender Online Scanner 8 Double Decode Heap Overflow
Greg Linares
30.11.2007

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Bitdefender -> Online anti-virus scanner 

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