We (SVRT-Bkis) have just discovered vulnerability in Google Chrome
0.2.149.27. This is a Critical Buffer Overflow Vulnerability permiting
hacker to perform a remote attack and take complete control of the affected
system.
We have submitted this Vulnerability to Google. They confirmed and assign a
verifier for build 0.2.149.28.
Proof of Concept:
We tested Google Chrome 0.2.149.27 on Windows XP SP2 (Open Calculator)
http://security.bkis.vn/Proof-Of-Concept/PoC-XPSP2.html
With others Windows not XP SP 2:
http://security.bkis.vn/Proof-Of-Concept/PoC-Crash.html
Details:
=B7 Type of Issue : Buffer Overflow.
=B7 Affected Software : Google Chrome 0.2.149.27.
=B7 Exploitation Environment : Google Chrome on Windows XP SP2.
=B7 Impact: Remote code execution.
=B7 Rating : Critical.
=B7 Description :
The vulnerability is caused due to a boundary error when handling the
"SaveAs" function. On saving a malicious page with an overly long title
( tag in HTML), the program causes a stack-based overflow and makes
it possible for attackers to execute arbitrary code on users' systems.
=B7 How an attacker could exploit the issue :
To exploit the Vulnerability, a hacker might construct a specially crafted
Web page, which contains malicious code. He then tricks users into visiting
his Website and convinces them to save this Page. Right after that, the code
would be executed, giving him the privilege to make use of the affected
system.
=B7 Discoverer : Le Duc Anh - SVRT - Bkis
=B7 About SVRT :
SVRT, which is short for Security Vulnerability Research Team, is one of
Bkis researching groups. SVRT specializes in the detection, alert and
announcement of security vulnerabilities in software, operating systems,
network protocols and embedded systems.
=B7 About Bkis :
Bkis (Bach Khoa Internetwork Security) is Vietnamese leading Center in
researching, deploying network security software and solutions.
=B7 Website : <a href="http://security.bkis.vn">http://security.bkis.vn</a>
=B7 Mail : svrt[at]bkav.com.vn
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