远程 Windows 主机上安装的 Firefox 版本低于 72.0。因此受到 mfsa2020-01 公告中提及的多个漏洞的影响，包括如下：- 在初始化新内容进程期间，指针偏移可被操控，从而导致父进程中内存损坏以及潜在可利用的崩溃。(CVE-2019-17015) - 当粘贴 <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly     rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in     data exfiltration. (CVE-2019-17016) - Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a     crash. We presume that with enough effort that it could be exploited to run arbitrary code. (CVE-2019-17017) - When in Private Browsing Mode on Windows 10, the Windows keyboard may retain word suggestions to improve     the accuracy of the keyboard. (CVE-2019-17018) - When Python was installed on Windows, a python file being served with the MIME type of text/plain could     be executed by Python instead of being opened as a text file when the Open option was selected upon     download. (CVE-2019-17019) - If an XML file is served with a Content Security Policy and the XML file includes an XSL stylesheet, the     Content Security Policy will not be applied to the contents of the XSL stylesheet. If the XSL sheet e.g. includes JavaScript, it would bypass any of the restrictions of the Content Security Policy applied to     the XML document. (CVE-2019-17020) - During the initialization of a new content process, a race condition occurs that can allow a content     process to disclose heap addresses from the parent process. (CVE-2019-17021) - When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer does not escape     < and > characters. Because the resulting string is pasted directly into the text node of the element     this does not result in a direct injection into the webpage; however, if a webpage subsequently copies     the node's innerHTML, assigning it to another innerHTML, this would result in an XSS vulnerability. Two     WYSIWYG editors were identified with this behavior, more may exist. (CVE-2019-17022)      - After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3,     resulting in an invalid state transition in the TLS State Machine. If the client gets into this state,     incoming Application Data records will be ignored. (CVE-2019-17023) - Mozilla developers Jason Kratzer, Christian Holler, and Bob Clary reported memory safety bugs present in     Firefox 71 and Firefox ESR 68.3. Some of these bugs showed evidence of memory corruption and we presume     that with enough effort some of these could have been exploited to run arbitrary code. (CVE-2019-17024) - Mozilla developers Karl Tomlinson, Jason Kratzer, Tyson Smith, Jon Coppeard, and Christian Holler     reported memory safety bugs present in Firefox 71. Some of these bugs showed evidence of memory     corruption and we presume that with enough effort some of these could have been exploited to run     arbitrary code. (CVE-2019-17025) Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

远程 macOS 或 Mac OS X 主机上安装的 Firefox 版本低于 72.0。因此，如公告 mfsa2020-01 所述，受到多个漏洞的影响，包括如下：- 当粘贴 <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly   rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in   data exfiltration. (CVE-2019-17016) - Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a   crash. We presume that with enough effort that it could be exploited to run arbitrary code. (CVE-2019-17017) - If an XML file is served with a Content Security Policy and the XML file includes an XSL stylesheet, the   Content Security Policy will not be applied to the contents of the XSL stylesheet. If the XSL sheet e.g. includes JavaScript, it would bypass any of the restrictions of the Content Security Policy applied to   the XML document. (CVE-2019-17020) - When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer does not escape   < and > characters. Because the resulting string is pasted directly into the text node of the element   this does not result in a direct injection into the webpage; however, if a webpage subsequently copies   the node's innerHTML, assigning it to another innerHTML, this would result in an XSS vulnerability. Two   WYSIWYG editors were identified with this behavior, more may exist. (CVE-2019-17022)    - After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3,   resulting in an invalid state transition in the TLS State Machine. If the client gets into this state,   incoming Application Data records will be ignored. (CVE-2019-17023) - Mozilla developers Jason Kratzer, Christian Holler, and Bob Clary reported memory safety bugs present in   Firefox 71 and Firefox ESR 68.3. Some of these bugs showed evidence of memory corruption and we presume   that with enough effort some of these could have been exploited to run arbitrary code. (CVE-2019-17024) - Mozilla developers Karl Tomlinson, Jason Kratzer, Tyson Smith, Jon Coppeard, and Christian Holler   reported memory safety bugs present in Firefox 71. Some of these bugs showed evidence of memory   corruption and we presume that with enough effort some of these could have been exploited to run   arbitrary code. (CVE-2019-17025) Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

在 Firefox 中发现多个安全问题。如果用户受到诱骗打开特制的网站，攻击者可能利用这些问题造成拒绝服务，获取敏感信息，绕过内容安全策略 (CSP) 限制，执行跨站脚本 (XSS) 攻击或执行任意代码。

请注意，Tenable Network Security 已直接从 Ubuntu 安全公告中提取上述描述块。Tenable 已尝试在不引入其他问题的情况下，尽可能进行自动清理和排版。

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
132709	Mozilla Firefox < 72.0 多个漏洞	Nessus	Windows	2020/1/8	2024/4/1	high
132708	Mozilla Firefox < 72.0 多个漏洞	Nessus	MacOS X Local Security Checks	2020/1/8	2024/4/1	high
132854	Ubuntu 16.04 LTS / 18.04 LTS：Firefox 漏洞 (USN-4234-1)	Nessus	Ubuntu Local Security Checks	2020/1/13	2023/10/20	high

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