Microsoft vulnerabilities

Internet Explorer 6.x allows remote attackers to install arbitrary programs via mousedown events that call the Popup.show method and use drag-and-drop actions in a popup window, aka "HijackClick 3" and the "Script in Image Tag File Download Vulnerability."

Microsoft Internet Explorer 6.0, Outlook 2002, and Outlook 2003 allow remote attackers to cause a denial of service (CPU consumption), if "Do not save encrypted pages to disk" is disabled, via a web site or HTML e-mail that contains two null characters (%00) after the host name.

Cross-site scripting (XSS) vulnerability in Outlook Web Access for Exchange Server 5.5 Service Pack 4 allows remote attackers to insert arbitrary script and spoof content in HTML email or web caches via an HTML redirect query.

The execCommand method in Microsoft Internet Explorer 6.0 SP2 allows remote attackers to bypass the "File Download - Security Warning" dialog and save arbitrary files with arbitrary extensions via the SaveAs command.

Unknown vulnerability in Microsoft Excel 2000, 2002, 2001 for Mac, and v.X for Mac allows remote attackers to execute arbitrary code via a malicious file containing certain parameters that are not properly validated.

Internet Explorer 5.01, 5.5, and 6 does not properly cache SSL content, which allows remote attackers to obtain information or spoof content via a web site with the same host name as the target web site, whose content is cached and reused when the user visits the target web site.

Internet Explorer 5.5 and 6 does not properly handle plug-in navigation, which allows remote attackers to alter displayed address bars and thereby spoof web pages, facilitating phishing attacks, aka the "Plug-in Navigation Address Bar Spoofing Vulnerability."

The SMTP (Simple Mail Transfer Protocol) component of Microsoft Windows XP 64-bit Edition, Windows Server 2003, Windows Server 2003 64-bit Edition, and the Exchange Routing Engine component of Exchange Server 2003, allows remote attackers to execute arbitrary code via a malicious DNS response message containing length values that are not properly validated.

The Network News Transfer Protocol (NNTP) component of Microsoft Windows NT Server 4.0, Windows 2000 Server, Windows Server 2003, Exchange 2000 Server, and Exchange Server 2003 allows remote attackers to execute arbitrary code via XPAT patterns, possibly related to improper length validation and an "unchecked buffer," leading to off-by-one and heap-based buffer overflows.

Integer overflow in the Install Engine (inseng.dll) for Internet Explorer 5.01, 5.5, and 6 allows remote attackers to execute arbitrary code via a malicious website or HTML email with a long .CAB file name, which triggers the integer overflow when calculating a buffer length and leads to a heap-based buffer overflow.

Buffer overflow in Microsoft Internet Explorer and Explorer on Windows XP SP1, WIndows 2000, Windows 98, and Windows Me may allow remote malicious servers to cause a denial of service (application crash) and possibly execute arbitrary code via long share names, as demonstrated using Samba.

Buffer overflow in the converter for Microsoft WordPerfect 5.x on Office 2000, Office XP, Office 2003, and Works Suites 2001 through 2004 allows remote attackers to execute arbitrary code via a malicious document or website.

Buffer overflow in the JPEG (JPG) parsing engine in the Microsoft Graphic Device Interface Plus (GDI+) component, GDIPlus.dll, allows remote attackers to execute arbitrary code via a JPEG image with a small JPEG COM field length that is normalized to a large integer length before a memory copy operation.

Internet Explorer 6.0 allows web sites to set cookies for country-specific top-level domains, such as .ltd.uk, .plc.uk, and .sch.uk, which could allow remote attackers to perform a session fixation attack and hijack a user's HTTP session.

Internet Explorer in Windows XP SP2, and other versions including 5.01 and 5.5, allows remote attackers to install arbitrary programs via a web page that uses certain styles and the AnchorClick behavior, popup windows, and drag-and-drop capabilities to drop the program in the local startup folder, as demonstrated by "wottapoop.html".

The WebBrowser ActiveX control, or the Internet Explorer HTML rendering engine (MSHTML), as used in Internet Explorer 6, allows remote attackers to execute arbitrary code in the Local Security context by using the showModalDialog method and modifying the location to execute code such as Javascript, as demonstrated using (1) delayed HTTP redirect operations, and an HTTP response with a Location: header containing a "URL:" prepended to a "ms-its" protocol URI, or (2) modifying the location attribute of the window, as exploited by the Download.ject (aka Scob aka Toofer) using the ADODB.Stream object.

Unknown versions of Internet Explorer and Outlook allow remote attackers to spoof a legitimate URL in the status bar via A HREF tags with modified "alt" values that point to the legitimate site, combined with an image map whose href points to the malicious site, which facilitates a "phishing" attack.

Microsoft Internet Explorer 6.0.2800.1106 on Microsoft Windows XP SP2, and other versions including 5.01 and 5.5, allows remote web servers to bypass zone restrictions and execute arbitrary code in the local computer zone by redirecting a function to another function with the same name, as demonstrated by SimilarMethodNameRedir, aka the "Similar Method Name Redirection Cross Domain Vulnerability."

Internet Explorer for Mac 5.2.3, Internet Explorer 6 on Windows XP, and possibly other versions, does not properly prevent a frame in one domain from injecting content into a frame that belongs to another domain, which facilitates web site spoofing and other attacks, aka the frame injection vulnerability.

Integer overflow in imgbmp.cxx for Windows 2000 allows remote attackers to execute arbitrary code via a BMP image with a large bfOffBits value.

Double free vulnerability in mshtml.dll for certain versions of Internet Explorer 6.x allows remote attackers to cause a denial of service (application crash) via a malformed GIF image.

mshtml.dll in Microsoft Internet Explorer 6.0.2800 allows remote attackers to cause a denial of service (crash) via a table containing a form that crosses multiple td elements, and whose "float: left" class is defined in a link to a CSS stylesheet after the end of the table, which may trigger a null dereference.

The Windows Shell application in Windows 98, Windows ME, Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003 allows remote attackers to execute arbitrary code by spoofing the type of a file via a CLSID specifier in the filename, as demonstrated using Internet Explorer 6.0.2800.1106 on Windows XP.

Internet Explorer 5.x and 6.0 allows remote attackers to execute arbitrary programs via a modified directory traversal attack using a URL containing ".." (dot dot) sequences and a filename that ends in "::" which is treated as a .chm file even if it does not have a .chm extension. NOTE: this bug may overlap CVE-2004-0475.

Argument injection vulnerability in Microsoft Outlook 2002 does not sufficiently filter parameters of mailto: URLs when using them as arguments when calling OUTLOOK.EXE, which allows remote attackers to use script code in the Local Machine zone and execute arbitrary programs.

Microsoft Internet Explorer allows remote attackers to bypass intended cookie access restrictions on a web application via "%2e%2e" (encoded dot dot) directory traversal sequences in a URL, which causes Internet Explorer to send the cookie outside the specified URL subsets, e.g. to a vulnerable application that runs on the same server as the target application.

Microsoft Internet Explorer 5.5 and 6.0 allocates memory based on the memory size written in the BMP file instead of the actual BMP file size, which allows remote attackers to cause a denial of service (memory consumption) via a small BMP file with has a large memory size.

Microsoft Internet Explorer 5.0.1 through 6.0 allows remote attackers to determine the existence of arbitrary files via the VBScript LoadPicture method, which returns an error code if the file does not exist.

Internet Explorer 6 SP1 and earlier allows remote attackers to direct drag and drop behaviors and other mouse click actions to other windows by calling the window.moveBy method, aka HijackClick, a different vulnerability than CVE-2003-1027.

Internet Explorer 5.01 through 6 SP1 allows remote attackers to bypass zone restrictions and read arbitrary files via an XML object.

Internet Explorer 6 SP1 and earlier allows remote attackers to bypass zone restrictions by (1) using the NavigateAndFind method to load a file: URL containing Javascript, as demonstrated by NAFfileJPU, (2) using the window.open method to load a file: URL containing Javascript, as demonstrated using WsOpenFileJPU, (3) setting the href property in the base tag for the _search window, as demonstrated using WsBASEjpu, (4) loading the search window into an Iframe, as demonstrated using WsFakeSrc, (5) caching a javascript: URL in the browser history, then accessing that URL in the same frame as the target domain, as demonstrated using WsOpenJpuInHistory, NAFjpuInHistory, BackMyParent, BackMyParent2, and RefBack, aka the "Script URLs Cross Domain" vulnerability.

Internet Explorer 6 SP1 and earlier allows remote attackers to bypass zone restrictions and read arbitrary files by (1) modifying the createTextRange method and using CreateLink, as demonstrated using LinkillerSaveRef, LinkillerJPU, and Linkiller, or (2) modifying the createRange method and using the FIND dialog to select text, as demonstrated using Findeath, aka the "Function Pointer Override Cross Domain" vulnerability.

Internet Explorer 6 SP1 and earlier allows remote attackers to bypass zone restrictions and execute Javascript by setting the window's "href" to the malicious Javascript, then calling execCommand("Refresh") to refresh the page, aka BodyRefreshLoadsJPU or the "ExecCommand Cross Domain" vulnerability.

The download function of Internet Explorer 6 SP1 allows remote attackers to obtain the cache directory name via an HTTP response with an invalid ContentType and a .htm file, which could allow remote attackers to bypass security mechanisms that rely on random names, as demonstrated by threadid10008.

Internet Explorer 5.01 through 6 SP1 allows remote attackers to direct drag and drop behaviors and other mouse click actions to other windows by using method caching (SaveRef) to access the window.moveBy method, which is otherwise inaccessible, as demonstrated by HijackClickV2, a different vulnerability than CVE-2003-0823, aka the "Function Pointer Drag and Drop Vulnerability."

Internet Explorer 5.01 through 6 SP1 allows remote attackers to bypass zone restrictions via a javascript protocol URL in a sub-frame, which is added to the history list and executed in the top window's zone when the history.back (back) function is called, as demonstrated by BackToFramedJpu, aka the "Travel Log Cross Domain Vulnerability."

Internet Explorer 5.01 through 6 SP1 allows remote attackers to spoof the domain of a URL via a "%01" character before an @ sign in the user@domain portion of the URL, which hides the rest of the URL, including the real site, in the address bar, aka the "Improper URL Canonicalization Vulnerability."

Microsoft Exchange 2003 and Outlook Web Access (OWA), when configured to use NTLM authentication, does not properly reuse HTTP connections, which can cause OWA users to view mailboxes of other users when Kerberos has been disabled as an authentication method for IIS 6.0, e.g. when SharePoint Services 2.0 is installed.

Microsoft Internet Explorer 5.22, and other 5 through 6 SP1 versions, sends Referer headers containing https:// URLs in requests for http:// URLs, which allows remote attackers to obtain potentially sensitive information by reading Referer log data.

Microsoft Internet Explorer 6.0 allows remote attackers to cause a denial of service (crash) by creating a web page or HTML e-mail with a textarea in a div element whose scrollbar-base-color is modified by a CSS style, which is then moved.

Unknown vulnerability in Internet Explorer 5.01 SP3 through 6.0 SP1 allows remote attackers to cause a denial of service (browser or Outlook Express crash) via HTML with certain input tags that are not properly rendered.

Internet Explorer allows remote attackers to bypass zone restrictions to inject and execute arbitrary programs by creating a popup window and inserting ActiveX object code with a "data" tag pointing to the malicious code, which Internet Explorer treats as HTML or Javascript, but later executes as an HTA application, a different vulnerability than CVE-2003-0532, and as exploited using the QHosts Trojan horse (aka Trojan.Qhosts, QHosts-1, VBS.QHOSTS, or aolfix.exe).

Internet Explorer 5.01 through 6.0 does not properly handle object tags returned from a Web server during XML data binding, which allows remote attackers to execute arbitrary code via an HTML e-mail message or web page.

The Internet Mail Service in Exchange Server 5.5 and Exchange 2000 allows remote attackers to cause a denial of service (memory exhaustion) by directly connecting to the SMTP service and sending a certain extended verb request, possibly triggering a buffer overflow in Exchange 2000.

Cross-site scripting (XSS) vulnerability in the HTML encoding for the Compose New Message form in Microsoft Exchange Server 5.5 Outlook Web Access (OWA) allows remote attackers to execute arbitrary web script.

Heap-based buffer overflow in VBE.DLL and VBE6.DLL of Microsoft Visual Basic for Applications (VBA) SDK 5.0 through 6.3 allows remote attackers to execute arbitrary code via a document with a long ID parameter.

Buffer overflow in Internet Explorer 6 SP1 for certain languages that support double-byte encodings (e.g., Japanese) allows remote attackers to execute arbitrary code via the Type property of an Object tag, a variant of CVE-2003-0344.

Internet Explorer 5.01 SP3 through 6.0 SP1 does not properly determine object types that are returned by web servers, which could allow remote attackers to execute arbitrary code via an object tag with a data parameter to a malicious file hosted on a server that returns an unsafe Content-Type, aka the "Object Type" vulnerability.

Internet Explorer 5.01 SP3 through 6.0 SP1 allows remote attackers to access and execute script in the My Computer domain using the browser cache via crafted Content-Type and Content-Disposition headers, aka the "Browser Cache Script Execution in My Computer Zone" vulnerability.

Buffer overflow in the BR549.DLL ActiveX control for Internet Explorer 5.01 SP3 through 6.0 SP1 allows remote attackers to execute arbitrary code.