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Internet Explorer に存在する 2 つ目の「緊急」の脆弱性は、「Microsoft Internet Explorer のメモリ破損の脆弱性(CVE-2013-3897)」です。Microsoft はブログ記事の中で、これが CDisplayPointer における解放後使用の脆弱性であると述べ、onpropertychange というイベントハンドラによって実行される過程を説明しています。同ブログによると、JavaScript のヒープスプレーを使って、アドレス 0x14141414 付近に小さい ROP チェーンが割り当てられるということです。被害が確認されたエクスプロイトは、韓国語または日本語圏のユーザーを対象に、Windows XP 上の Internet Explorer 8 のみを標的にするよう設計されていました。シマンテック製品をお使いのお客様については、この攻撃に対して以下の保護対策がすでに実施されています。
In Microsoft’s Patch Tuesday for October 2013, the company released MS13-080 to address two critical vulnerabilities that have been actively exploited in limited targeted attacks. The first critical vulnerability in Internet Explorer, the Microso…
Microsoft Security Advisory (2887505) On September 17th, 2013, Microsoft published Security Advisory 2887505, which coverers a remote code execution vulnerability in all supported versions of Microsoft Internet Explorer. The flaw resides in the handling of objects in memory which have been deleted or improperly allocated. Specifically, a use-after-free flaw in the HTML rendering engine (aka Read more…
Microsoft Office の PNG ファイルに存在するバッファオーバーフローの脆弱性(CVE-2013-1331)、すなわち Microsoft Office に存在するリモートスタックベースのバッファオーバーフローの脆弱性によって、リモートでコードが実行されます。これは、Microsoft Office 2011 for Mac と、全 Windows プラットフォーム向けの Microsoft Office 2003 に影響することが確認されています。
The time between discovery of a vulnerability and the emergence of an exploit keeps getting shorter—sometimes a matter of only hours. This increases pressure on IT managers to rapidly patch production systems in conflict with configuration manage…
Revision Note: V2.0 (January 14, 2013): Advisory updated to reflect publication of security bulletin.
Summary: Microsoft has completed the investigation into a public report of this vulnerability. We have issued MS13-008 to add…
Revision Note: V1.14 (January 8, 2013): Updated the FAQ and Suggested Actions with information about attacks against NTLMv1 (NT LAN Manager version 1) and LAN Manager (LM) network authentication. Microsoft Fix it solutions for Windows XP …
On Tuesday, Microsoft announced that they have just upgraded their entire Outlook.com mail environment to an Always On SSL experience, protected by Extended Validation (EV). This means that all of the user’s data is protected via 2048-bit e…
Revision Note: V2.0 (December 11, 2012): Added the KB2687627 and KB2687497 updates described in MS12-043, the KB2687501 and KB2687510 updates described in MS12-057, the KB2687508 update described in MS12-059, and the KB2726929 update desc…