The version of Thunderbird installed on the remote Windows host is prior to 68.5. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-07 advisory.

  - Mozilla developers and community members Raul Gurzau, Tyson Smith, Bob Clary, Liz Henry, and Christian     Holler reported memory safety bugs present in Firefox 72 and Firefox ESR 68.4. 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. In general, these flaws cannot be exploited through email in the     Thunderbird product because scripting is disabled when reading mail, but are potentially risks in browser     or browser-like contexts. (CVE-2020-6800)

  - When processing an email message with an ill-formed envelope, Thunderbird could read data from a random     memory location. (CVE-2020-6793)

  - If a user saved passwords before Thunderbird 60 and then later set a master password, an unencrypted copy     of these passwords is still accessible. This is because the older stored password file was not deleted     when the data was copied to a new format starting in Thunderbird 60. The new master password is added only     on the new file. This could allow the exposure of stored password data outside of user expectations.
    (CVE-2020-6794)

  - When processing a message that contains multiple S/MIME signatures, a bug in the MIME processing code     caused a null pointer dereference, leading to an unexploitable crash. (CVE-2020-6795)

  - By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary     application on the user's computer. The attacker is restricted as they are unable to download non-     quarantined files or supply command line arguments to the application, limiting the impact. Note: this     issue only occurs on Mac OSX. Other operating systems are unaffected. (CVE-2020-6797)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2020:14290-1 advisory.

  - A content process could have modified shared memory relating to crash reporting information, crash itself,     and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable     crash. This vulnerability affects Firefox < 73 and Firefox < ESR68.5. (CVE-2020-6796)

  - By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary     application on the user's computer. The attacker is restricted as they are unable to download non-     quarantined files or supply command line arguments to the application, limiting the impact. Note: this     issue only occurs on Mac OSX. Other operating systems are unaffected. This vulnerability affects     Thunderbird < 68.5, Firefox < 73, and Firefox < ESR68.5. (CVE-2020-6797)

  - If a template tag was used in a select tag, the parser could be confused and allow JavaScript parsing and     execution when it should not be allowed. A site that relied on the browser behaving correctly could suffer     a cross-site scripting vulnerability as a result. In general, this flaw cannot be exploited through email     in the Thunderbird product because scripting is disabled when reading mail, but is potentially a risk in     browser or browser-like contexts. This vulnerability affects Thunderbird < 68.5, Firefox < 73, and Firefox     < ESR68.5. (CVE-2020-6798)

  - Command line arguments could have been injected during Firefox invocation as a shell handler for certain     unsupported file types. This required Firefox to be configured as the default handler for a given file     type and for a file downloaded to be opened in a third party application that insufficiently sanitized URL     data. In that situation, clicking a link in the third party application could have been used to retrieve     and execute files whose location was supplied through command line arguments. Note: This issue only     affects Windows operating systems and when Firefox is configured as the default handler for non-default     filetypes. Other operating systems are unaffected. This vulnerability affects Firefox < 73 and Firefox <     ESR68.5. (CVE-2020-6799)

  - Mozilla developers and community members reported memory safety bugs present in Firefox 72 and Firefox ESR     68.4. 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. In general, these flaws cannot be exploited     through email in the Thunderbird product because scripting is disabled when reading mail, but are     potentially risks in browser or browser-like contexts. This vulnerability affects Thunderbird < 68.5,     Firefox < 73, and Firefox < ESR68.5. (CVE-2020-6800)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The version of Firefox ESR installed on the remote Windows host is prior to 68.5. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-06 advisory.

  - Mozilla developers and community members Raul Gurzau, Tyson Smith, Bob Clary, Liz Henry, and Christian     Holler reported memory safety bugs present in Firefox 72 and Firefox ESR 68.4. 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-2020-6800)

  - A content process could have modified shared memory relating to crash reporting information, crash itself,     and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable     crash. (CVE-2020-6796)

  - By downloading a file with the .fileloc extension, a semi-privileged extension could launch an arbitrary     application on the user's computer. The attacker is restricted as they are unable to download non-     quarantined files or supply command line arguments to the application, limiting the impact. Note: this     issue only occurs on Mac OSX. Other operating systems are unaffected. (CVE-2020-6797)

  - If a <code><template></code> tag was used in a <code><select%gt;</code> tag, the parser could be     confused and allow JavaScript parsing and execution when it should not be allowed. A site that relied on     the browser behaving correctly could suffer a cross-site scripting vulnerability as a result.
    (CVE-2020-6798)

  - Command line arguments could have been injected during Firefox invocation as a shell handler for certain     unsupported file types. This required Firefox to be configured as the default handler for a given file     type and for a file downloaded to be opened in a third party application that insufficiently sanitized URL     data. In that situation, clicking a link in the third party application could have been used to retrieve     and execute files whose location was supplied through command line arguments.  Note: This issue only     affects Windows operating systems and when Firefox is configured as the default handler for non-default     filetypes. Other operating systems are unaffected. (CVE-2020-6799)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
133691	Mozilla Thunderbird < 68.5	Nessus	Windows	2020/2/14	2025/11/18	high
150679	SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2020:14290-1)	Nessus	SuSE Local Security Checks	2021/6/10	2021/6/10	high
133677	Mozilla Firefox ESR < 68.5	Nessus	Windows	2020/2/13	2025/11/18	high

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