Integer underflow in net/base/escape.cc in chrome.dll in Google Chrome 0.2.149.27...

Vulnerability Description

Integer underflow in net/base/escape.cc in chrome.dll in Google Chrome 0.2.149.27 allows remote attackers to cause a denial of service (browser crash) via a URI with an invalid handler followed by a "%" (percent) character, which triggers a buffer over-read, as demonstrated using an "about:%" URI.

References

• http://osvdb.org/47908
• https://www.evilfingers.com/advisory/Google_Chrome_Browser_0.2.149.27_in_chrome_dll.php
• http://archives.neohapsis.com/archives/bugtraq/2008-09/0028.html
• http://src.chromium.org/viewvc/chrome/branches/chrome_official_branch/src/net/base/escape.cc?r1=1757&r2=1760&pathrev=1760
• http://evilfingers.com/advisory/google_chrome_poc.php
• http://code.google.com/p/chromium/issues/detail?id=122
• https://exchange.xforce.ibmcloud.com/vulnerabilities/44899
• http://www.securityfocus.com/bid/30983
• https://www.exploit-db.com/exploits/6353