CVE Vulnerability

CVE-2018-5170

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It is possible to spoof the filename of an attachment and display an arbitrary attachment name. This could lead to a user opening a remote attachment which is a different file type than expected. This vulnerability affects Thunderbird ESR < 52.8 and Thunderbird < 52.8.

CVE-2018-5169

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If manipulated hyperlinked text with “chrome:” URL contained in it is dragged and dropped on the “home” icon, the home page can be reset to include a normally-unlinkable chrome page as one of the home page tabs. This vulnerability affects Firefox < 60.

CVE-2018-5168

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Sites can bypass security checks on permissions to install lightweight themes by manipulating the “baseURI” property of the theme element. This could allow a malicious site to install a theme without user interaction which could contain offensive or embarrassing images. This vulnerability affects Thunderbird < 52.8, Thunderbird ESR < 52.8, Firefox < 60, and Firefox ESR < 52.8.

CVE-2018-5167

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The web console and JavaScript debugger do not sanitize all output that can be hyperlinked. Both will display “chrome:” links as active, clickable hyperlinks in their output. Web sites should not be able to directly link to internal chrome pages. Additionally, the JavaScript debugger will display “javascript:” links, which users could be tricked into clicking by malicious sites. This vulnerability affects Firefox < 60.

CVE-2018-5166

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WebExtensions can use request redirection and a “filterReponseData” filter to bypass host permission settings to redirect network traffic and access content from a host for which they do not have explicit user permission. This vulnerability affects Firefox < 60.

CVE-2018-5165

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In 32-bit versions of Firefox, the Adobe Flash plugin setting for “Enable Adobe Flash protected mode” is unchecked by default even though the Adobe Flash sandbox is actually enabled. The displayed state is the reverse of the true setting, resulting in user confusion. This could cause users to select this setting intending to activate it and inadvertently turn protections off. This vulnerability affects Firefox < 60.