Posts Tagged 'vulnerability'

Hackers exploit unpatched Quicktime vulnerability

Attackers are trying to exploit an unpatched vulnerability in Apple’s QuickTime software that could let them run code on a victim’s computer, Symantec warned in a DeepSight Threat Management System alert issued Sunday.

First observed on Saturday, the attacks appear to be aimed at Windows users, but Mac OS users could also be at risk since the QuickTime vulnerability in question affects both operating systems, the alert said. That vulnerability, called the Apple QuickTime RTSP Response Header Stack-Based Buffer Overflow Vulnerability, was first disclosed on Nov. 23 and remains unpatched by Apple.

Researchers have shown that the QuickTime vulnerability affects a range of operating systems, including Windows XP, Windows Vista, MacOS X 10.4, and the recently released MacOS X 10.5, also called Leopard. The vulnerability can be exploited through Internet Explorer, Firefox, Opera, and Safari.

There are two types of attacks underway, Symantec said. In the first, victims’ computers are being redirected from an adult Web site, Ourvoyeur.net, to another Web site that infects the computer with an application called loader.exe, which can be saved to the computer as metasploit.exe, asasa.exe, or syst.exe. Once installed on a computer this application downloads another binary file, which Symantec identified as Hacktool.Rootkit, a set of tools that can be used to break into a system. (story)


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