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、读取未初始化内存、获取敏感信息、伪造地址栏内容，或执行任意代码。（CVE-2017-5470、CVE-2017-5471、CVE-2017-5472、CVE-2017-7749、CVE-2017-7750、CVE-2017-7751、CVE-2017-7752、CVE-2017-7754、CVE-2017-7756、CVE-2017-7757、CVE-2017-7758、CVE-2017-7762、CVE-2017-7764）

在 Firefox 使用的 Graphite 2 库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、读取未初始化内存，或执行任意代码。（CVE-2017-7771、CVE-2017-7772、CVE-2017-7773、CVE-2017-7774、CVE-2017-7776、CVE-2017-7777、CVE-2017-7778）。

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。

远程 Windows 主机上安装的 Mozilla Thunderbird 版本低于 52.2。因此，该服务器受到多个漏洞的影响：

  - 存在多个内存损坏问题，允许未经身份验证的远程攻击者，诱使用户访问特制的网站，来执行任意代码。(CVE-2017-5470)

  - nsCSSFrameConstructor.cpp 的 EndUpdate() 函数中存在释放后使用错误，在 CSS 布局重新生成期间重建树时会触发。未经身份验证的远程攻击者可利用此问题，通过诱使用户访问特制的网站，而导致拒绝服务情况或执行任意代码。(CVE-2017-5472)

  - nsDocShell.cpp 的 Reload() 函数中存在释放后使用错误，在 docshell 重新加载期间使用错误 URL 时会触发。未经身份验证的远程攻击者可利用此问题造成拒绝服务情况或任意代码执行。(CVE-2017-7749)

  - nsDocumentViewer.cpp 的 Hide() 函数中存在释放后使用错误，在处理跟踪元素时会触发。未经身份验证的远程攻击者可利用此问题造成拒绝服务情况或任意代码执行。(CVE-2017-7750)

  - nsDocumentViewer.cpp 的 nsDocumentViewer 类中存在释放后使用错误，在处理内容查看程序侦听器时会触发。未经身份验证的远程攻击者可利用此问题造成拒绝服务情况或执行任意代码。
    (CVE-2017-7751)

  - 存在释放后使用错误，在处理事件的同时，如果发生与输入法 (IME) 之间的特定用户交互，即会触发。未经身份验证的远程攻击者可利用此问题造成拒绝服务情况或执行任意代码。
    (CVE-2017-7752)

  - WebGLTexture.cpp 的 IsComplete() 函数中存在越界读取错误，会在处理纹理时触发。未经身份验证的远程攻击者可利用此问题泄露内存内容。
    (CVE-2017-7754)

  - XMLHttpRequestMainThread.cpp 的 SetRequestHead() 函数中存在释放后使用错误，在记录 XML HTTP 请求 (XHR) 时会触发。未经身份验证的远程攻击者可利用此问题造成拒绝服务情况或任意代码执行。(CVE-2017-7756)

  - 由于未正确处理内存对象，ActorsParent.cpp 中存在释放后使用错误。未经身份验证的远程攻击者可利用此问题造成拒绝服务情况或任意代码执行。(CVE-2017-7757)

  - TrackEncoder.cpp 的 AppendAudioSegment() 函数中存在越界读取错误，在音频流中的通道数量变更的同时，如果 Opus 编码器正在使用，即会触发。未经身份验证的远程攻击者可利用此漏洞泄露敏感信息。(CVE-2017-7758)

  - gfxMacPlatformFontList.mm 的 ReadCMAP() 函数存在缺陷，在组合处理藏文与 macOS 字体时会触发。未经身份验证的远程攻击者可利用此问题，通过特制的 IDN 域，伪造有效 URL。(CVE-2017-7763)

  - nsIDNService.cpp 的 isLabelSafe() 函数中存在缺陷，在处理不同 unicode 程序块的字符时会触发。未经身份验证的远程攻击者可利用此问题，通过特制的 IDN 域，伪造有效 URL 并发动钓鱼攻击。(CVE-2017-7764)

  - Pass.cpp 中 readPass() 函数的 Graphite 组件中存在越界读取错误。未经身份验证的远程攻击者可利用此问题，造成拒绝服务情况或泄露内存内容。(CVE-2017-7771)

  - 由于未正确验证用户提供的输入，Decompressor.cpp 中 decompress() 函数的图形组件中存在多个整数溢出情况。未经身份验证的远程攻击者可利用此问题造成拒绝服务情况或任意代码执行。（CVE-2017-7772、CVE-2017-7773、CVE-2017-7778）

  - Silf.cpp 中 readGraphite() 函数的 Graphite 组件中存在越界读取错误。未经身份验证的远程攻击者可利用此问题造成拒绝服务情况或泄露内存内容。(CVE-2017-7774)

  - 由于未正确验证用户提供的输入，Silf.cpp 中 getClassGlyph() 函数的 Graphite 组件中存在越界读取错误。未经身份验证的远程攻击者可利用此缺陷造成拒绝服务。(CVE-2017-7776)

  - GlyphCache.cpp 中 read_glyph() 函数的 Graphite 组件中存在缺陷，其与使用未初始化的内存有关。未经身份验证的远程攻击者可利用此问题造成不明影响。
    (CVE-2017-7777)

Multiple memory corruption issues exist that allow an unauthenticated, remote attacker to execute arbitrary code by convincing a user to visit a specially crafted website. (CVE-2017-5470, CVE-2017-5471)
 - A use-after-free error exists in the 'EndUpdate()' function in 'nsCSSFrameConstructor.cpp' that is triggered when reconstructing trees during regeneration of CSS layouts. An unauthenticated, remote attacker can exploit this, by convincing a user to visit a specially crafted website, to cause a denial of service condition or the execution of arbitrary code. (CVE-2017-5472)
 - A use-after-free error exists in the 'Reload()' function in 'nsDocShell.cpp' that is triggered when using an incorrect URL during the reload of a docshell. An unauthenticated, remote attacker can exploit this to cause a denial of service condition or the execution of arbitrary code. (CVE-2017-7749)
 - A use-after-free error exists in the 'Hide()' function in 'nsDocumentViewer.cpp' that is triggered when handling track elements. An unauthenticated, remote attacker can exploit this to cause a denial of service condition or the execution of arbitrary code. (CVE-2017-7750)
 - A use-after-free error exists in the nsDocumentViewer class in 'nsDocumentViewer.cpp' that is triggered when handling content viewer listeners. An unauthenticated, remote attacker can exploit this to cause a denial of service condition or the execution of arbitrary code. (CVE-2017-7751)
 - A use-after-free error exists that is triggered when handling events while specific user interaction occurs with the input method editor (IME). An unauthenticated, remote attacker can exploit this to cause a denial of service condition or the execution of arbitrary code. (CVE-2017-7752)
 - An out-of-bounds read error exists in the 'IsComplete()' function in 'WebGLTexture.cpp' that is triggered when handling textures. An unauthenticated, remote attacker can exploit this to disclose memory contents. (CVE-2017-7754)
 - A privilege escalation vulnerability exists due to improper loading of dynamic-link library (DLL) files. A local attacker can exploit this, via a specially crafted DLL file in the installation path, to inject and execute arbitrary code. (CVE-2017-7755)
 - A use-after-free error exists in the 'SetRequestHead()' function in 'XMLHttpRequestMainThread.cpp' that is triggered when logging XML HTTP Requests (XHR). An unauthenticated, remote attacker can exploit this to cause a denial of service condition or the execution of arbitrary code. (CVE-2017-7756)
 - A use-after-free error exists in 'ActorsParent.cpp' due to improper handling of objects in memory. An unauthenticated, remote attacker can exploit this to cause a denial of service condition or the execution of arbitrary code. (CVE-2017-7757)
 - An out-of-bounds read error exists in the 'AppendAudioSegment()' function in 'TrackEncoder.cpp' that is triggered when the number of channels in an audio stream changes while the Opus encoder is in use. An unauthenticated, remote attacker can exploit this to disclose sensitive information. (CVE-2017-7758)
 - A flaw exists in the 'NS_main()' function in 'updater.cpp' due to improper validation of input when handling callback file path parameters. A local attacker can exploit this to manipulate files in the installation directory. (CVE-2017-7760)
 - A flaw exists in the Maintenance Service 'helper.exe' application that is triggered as permissions for a temporary directory are set to writable by non-privileged users. A local attacker can exploit this to delete arbitrary files on the system. (CVE-2017-7761)
 - A flaw exists that is triggered when displaying URLs including authentication sections in reader mode. An unauthenticated, remote attacker can exploit this, via a specially crafted URL, to spoof domains in the address bar. (CVE-2017-7762)
 - A flaw exists in the 'ReadCMAP()' function in 'gfxMacPlatformFontList.mm' that is triggered when handling tibetan characters in combination with macOS fonts. An unauthenticated, remote attacker can exploit this, via a specially crafted IDN domain, to spoof a valid URL. (CVE-2017-7763)
 - A flaw exists in the 'isLabelSafe()' function in 'nsIDNService.cpp' that is triggered when handling characters from different unicode blocks. An unauthenticated, remote attacker can exploit this, via a specially crafted IDN domain, to spoof a valid URL and conduct phishing attacks. (CVE-2017-7764)
 - Multiple integer overflow conditions exist in the Graphite component in the 'decompress()' function in 'Decompressor.cpp' due to improper validation of user-supplied input. An unauthenticated, remote attacker can exploit this to cause a denial of service condition or the execution of arbitrary code. (CVE-2017-7772, CVE-2017-7778)
 - An out-of-bounds read error exists in the Graphite component in the 'readGraphite()' function in 'Silf.cpp'. An unauthenticated, remote attacker can exploit this to cause a denial of service condition or disclose memory contents. (CVE-2017-7774)
 - An out-of-bounds read error exists in the Graphite component in 'getClassGlyph()' function in 'Silf.cpp' due to improper validation of user-supplied input. An unauthenticated, remote attacker can exploit this to cause a denial of service condition. (CVE-2017-7776)
 - An flaw exists in the Graphite component in the 'read_glyph()' function in 'GlyphCache.cpp' related to use of uninitialized memory. An unauthenticated, remote attacker can exploit this to have an unspecified impact. (CVE-2017-7777)

ID	Name	Product	Family	Published	Updated	Severity
100835	Ubuntu 14.04 LTS / 16.04 LTS：Firefox 漏洞 (USN-3315-1)	Nessus	Ubuntu Local Security Checks	6/16/2017	1/16/2024	critical
101771	Mozilla Thunderbird < 52.2 多个漏洞 (macOS)	Nessus	MacOS X Local Security Checks	7/17/2017	1/16/2024	critical
700134	Mozilla Firefox < 54 Multiple Vulnerabilities	Nessus Network Monitor	Web Clients	6/14/2017	3/6/2019	high

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critical

high