Hackers to exploit latest Windows flaw
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HACKERS ARE swapping information online about the latest hole in Windows in the hope of getting a good exploit onto other people&#39;s computers before they install SP2.
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Microsoft describes unpatched flaw that could corrupt PC memory and allow intruders.
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Microsoft issues patches for holes that could allow remote attackers to gain control of your PC.
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Security experts warned on Wednesday that &quot;exploit code&quot; has been released for the critical flaw discovered in the way Windows and other Microsoft products handle JPEG images (see our previous coverage).
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SEATTLE - Microsoft has warned of seven newly found flaws in its software that could allow an attacker to steal data and take over a personal computer running the Windows operating system.
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Security experts are reporting several new Windows and Internet Explorer vulnerabilities at year-end, including a flaw in the way Windows handles image files, and another involving IE and SP2 help files.
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In brief Exploit circulating for unpatched vuln
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(InfoWorld) - It has become a familiar pattern: A hacker posts exploit code to a security Web site; Microsoft follows soon after with a warning to customers. The pattern was repeated again Thursday, only this time Microsoft's warning that it is investigating "new public reports" of a critical bug in Windows comes more than two months after sample code showing how to take advantage of the flaw was posted to the Web. Microsoft's advisory can beÂ found here. The flaw that Microsoft warned about is in an ActiveX control (called WebViewFolderIcon) used by the Windows' graphical user interface software. It was first disclosed on July 18 as part of aÂ month-longÂ project byÂ hacker HD MooreÂ to expose problems in browser software. Moore's blog post on the flaw can beÂ found here. Moore called his project theÂ "Month of Browser Bugs"Â and ended up disclosing a total of 22 Microsoft vulnerabilities during the period. A few days ago, Moore quietlyÂ added exploit codeÂ for this latest flaw to his Metasploit hacking tool. The exploit caught Microsoft's attention after it was posted to theÂ milw0rm.com Web site,Â Moore said. But the security researcher believes that any competent hacker could have developed an exploit based on his July blog posting. So far, Microsoft has patched only two of Moore's flaws. In fact, Microsoft engineers haven't even been able to investigate close to a third of the vulnerabilities, Moore said. Microsoft executives could not immediately be reached for comment, but the company's security advisory said this latest WebViewFolderIcon bug will be patched on Oct. 10. "We have been in contact with HD Moore and at this time our investigations have revealed that most issues relating to Internet Explorer in particular will result in the browser closing unexpectedly," Microsoft's public relations agency said Thursday in a statement. "Because of their nature, most of these issues will more likely be resolved through a service pack release rather than a security update." Microsoft has been busy this month, rushing out an emergency, "out-of-cycle" fix for a flaw in Internet Explorer's Vector Markup Language (VML) rendering engine that was being widely exploited by attackers. Microsoft has even more work ahead of it, according to Moore. In early August, he handed Microsoft another 70 bugs that he had not publicly disclosed. Still, he believes that more of his flaws should have been fixed by now. "I was kind of amused that they would do an out-of-cycle patch for the VML bug, but would let all of these lapse," he said. Microsoft has told him that at least four of his bugs are "exploitable issues," meaning that an attacker could take advantage of them to run unauthorized software on a victim's computer, Moore said. Earlier this week, SymantecÂ said that Microsoft was the slowest of the major browser-makers at patching its bugs during the first half of this year. But according to Symantec's numbers, Microsoft patched IE bugs, on average, nine days after the public disclosure of a flaw. Most of the 22 Month of Browser Bugs flaws have been in public for two months now.
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A hacker has released attack code that could be used to exploit a critical bug in some versions of the Windows operating system.Microsoft patched the flaw, which affects older versions of Windows, on Oct. 9. When the Image Viewer tries to open a maliciously encoded TIFF file, it can be tricked into running unauthorized software on the PC.A sample of the exploit was posted Monday to the Milw0rm Web site. The code has not yet been used in online attacks, according to Symantec, which issued an alert Monday.Symantec recommends that Windows users install the MS07-055 update as quickly as possible.Microsoft took the unusual step of issuing its own security update for Kodak&#39;s software, because the image viewer (formerly known as the Wang Image Viewer) had shipped in Windows 2000 systems by default.Still, many Windows users are not affected by the problem. Windows XP and Windows Server 2003 users should not have the software installed on their PCs, unless they downloaded it directly or upgraded from Windows 2000. Windows Vista users are not affected by the bug.Also, users would have to open the TIFF file using the Kodak Image Viewer for the attack to work. Because most PCs are set to automatically open TIFFs using some other piece of software, it is unlikely that an attack would succeed.&quot;Its not a huge deal, though, we don&#39;t think,&quot; said Marc Maiffret, chief technology officer with eEye Digital Security, via instant message. &quot;You probably have some other program that defaults to open TIFFs like QuickTime or Photoshop.&quot;The sample attack code affects the Korean language version of Windows, but it could be easily modified to affect other versions of the software, Maiffret said.
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In a harbinger of security threats to come, hackers have exploited a newly announced flaw in Microsoft Corp. programs and begun circulating malicious code hidden in images that use the popular JPEG format.
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Microsoft fixes a critical flaw in the Windows operating system that could be used by criminals to create a self-copying PC worm attack.
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An exploit attacking the most recent Windows bug is circulating on Usenet, security experts said Tuesday, that crashes machines, yet another indicator that attackers will chase the vulnerability until they&#39;ve launched mass mailing-style worm-based attacks
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New computer code that exploits a recently disclosed hole in Microsoft Corp.'s Internet Explorer Web browser is circulating on the Internet and could allow remote attackers to take full control of vulnerable Windows machines, according to warnings from antivirus companies and Internet security experts.
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InfoWorld - Microsoft has fixed a critical flaw in the Windows operating system that could be used by criminals to create a self-copying computer worm attack.
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Less than a day after Microsoft detailed the latest Windows vulnerability, hackers were hunting for exploit codes. By Gregg Keizer, TechWeb News.
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Hackers could bypass security warnings and download malicious content.
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TechWeb - Two new vulnerabilities in Internet Explorer 6.0 -- unveiled by a security firm Wednesday -- could be exploited by hackers to bypass security features in Microsoft's Windows XP SP2.