CVE-2016-4045

An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev11. Script code can be embedded to RSS feeds using a URL notation. In case a user clicks the corresponding link at the RSS reader of App Suite, code gets executed at the context of the user. Malicious script code can be executed...

CVE-2016-4045

Open-Xchange OX App Suite vulnerable to XSS via RSS feed links in versions before 7.8.1-rev11. Malicious script can run in the user’s context, enabling session hijacking or triggering actions via the web interface. Remediation observed in connected sources includes vendor fixes: 7.8.1-rev10 (and ...

CVE-2016-4028

An issue was discovered in Open-Xchange OX Guard before 2.4.0-rev8. OX Guard uses an authentication token to identify and transfer guest users' credentials. The OX Guard API acts as a padding oracle by responding with different error codes depending on whether the provided token matches the...

CVE-2016-4027

An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev10. App Suite frontend offers to control whether a user wants to store cookies that exceed the session duration. This functionality is useful when logging in from clients with reduced privileges or shared environments. However t...

CVE-2016-4026

An issue was discovered in Open-Xchange OX App Suite before 7.8.1-rev11. The content sanitizer component has an issue with filtering malicious content in case invalid HTML code is provided. In such cases the filter will output a unsanitized representation of the content. Malicious script code can...

CVE-2016-6854

An issue was discovered in Open-Xchange OX Guard before 2.4.2-rev5. Script code which got injected to a mail with inline PGP signature gets executed when verifying the signature. Malicious script code can be executed within a user's context. This can lead to session hijacking or triggering unwant...

CVE-2016-6852

An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev8. Users can provide local file paths to the RSS reader; the response and error code give hints about whether the provided file exists or not. Attackers may discover specific system files or library versions on the middleware...

CVE-2016-6843

An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev8. Script code can be injected to contact names. When adding those contacts to a group, the script code gets executed in the context of the user which creates or changes the group by using autocomplete. In most cases this is a...

CVE-2016-6847

Open-Xchange OX App Suite prior to 7.8.2-rev8 is affected by CVE-2016-6847. The issue allows an attacker to embed script-enabled SVG files used as mp3 album covers; if the SVG XML includes script code, it may execute when the related cover URL is accessed, enabling code execution in the user’s br...

CVE-2016-6845

An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev8. Script code within hyperlinks at HTML E-Mails is not getting correctly sanitized when using base64 encoded "data" resources. This allows an attacker to provide hyperlinks that may execute script code instead of directing to a...

CVE-2016-6844

An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev8. Script code within SVG files is maintained when opening such files "in browser" based on our Mail or Drive app. In case of "a" tags, this may include link targets with base64 encoded "data" references. Malicious script code c...

CVE-2016-4028

Open-Xchange OX Guard (before 2.4.0-rev8) is affected by a padding oracle flaw in the authentication token handling when using AES-CBC. The API may reveal padding validity via error codes, enabling brute-forcing of a guest token’s contents (OxReaderID cookie and auth parameter) to potentially dis...

CVE-2016-4027

Open-Xchange OX App Suite (frontend) prior to 7.8.1-rev10 contains an information disclosure vulnerability where a user-controlled cookie-storage setting was misapplied during non-interactive logins. Cookies with authentication information could be stored and become accessible to other users on s...

CVE-2016-6850

An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev8. SVG files can be used as profile pictures. In case their XML structure contains iframes and script code, that code may get executed when calling the related picture URL or viewing the related person's image within a browser...

CVE-2016-6844

Open-Xchange OX App Suite prior to 7.8.2-rev8 is affected by CVE-2016-6844. The issue arises from SVG script content being preserved when files are opened in browser via the Mail/Drive apps; within anchor tags, base64-encoded data references can allow malicious script execution in the user’s cont...

CVE-2016-3173

Open-Xchange OX AppSuite up to version 7.8.0-rev27 is affected by CVE-2016-3173. The aria-label parameter of Portal tiles can be used to inject script code, with labels derived from file names (e.g., images) displayed in the portal. This leads to script execution in a user’s context, enabling ses...

CVE-2016-6847

An issue was discovered in Open-Xchange OX App Suite before 7.8.2-rev8. SVG files can be used as mp3 album covers. In case their XML structure contains script code, that code may get executed when calling the related cover URL. Malicious script code can be executed within a user's context. This c...

Open-Xchange: Reflected Cross-Site Scripting due to vulnerable Flash component (Flashmediaelement.swf)

Discovery After installing the software for testing purposes locally I performed a little search for Flash files embedded in the platform and found the following: root@OpenXchange:/opt/open-xchange find . -iname .swf ./appsuite/apps/3rd.party/mediaelement/flashmediaelement.swf...

Open-Xchange: Selecting encryption for email with drive attachment overrides the drive email password

If you start composing a new email to an external email, otherwise decryption fails, attach a document, then click "Use drive mail", and set a password. Then click "Security" then encrypt not by clicking the lock icon, as that will show the warning and disable drive mail attachments. When you sen...

Open-Xchange: Stored XSS in Template Documents

Steps to reproduce: Setup: Edit My Contact Data: - first name: ' onmouseover=alert1 data-first=' - last name: anything 1. Create a new text document, and make sure it is saved. 2. Click Review, check "Track Changes". 3. Make another edit, it should show coloured now as it is tracked. 4. Click Fil...