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Mozilla Thunderbird ESR < 128.10

🗓️ 29 Apr 2025 00:00:00Reported by TenableType 
nessus
 nessus
🔗 www.tenable.com👁 8 Views

Mozilla Thunderbird ESR < 128.10 is vulnerable to escalation due to flawed update mechanism.

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Refs
Code
#%NASL_MIN_LEVEL 80900
## 
# (C) Tenable, Inc.
#                                  
# The descriptive text and package checks in this plugin were
# extracted from Mozilla Foundation Security Advisory mfsa2025-32.
# The text itself is copyright (C) Mozilla Foundation.
##

include('compat.inc');

if (description)
{
  script_id(234922);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2025/05/16");

  script_cve_id(
    "CVE-2025-2817",
    "CVE-2025-4082",
    "CVE-2025-4083",
    "CVE-2025-4084",
    "CVE-2025-4087",
    "CVE-2025-4091",
    "CVE-2025-4093"
  );
  script_xref(name:"IAVA", value:"2025-A-0308-S");

  script_name(english:"Mozilla Thunderbird ESR < 128.10");

  script_set_attribute(attribute:"synopsis", value:
"A mail client installed on the remote macOS or Mac OS X host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Thunderbird ESR installed on the remote macOS or Mac OS X host is prior to 128.10. It is, therefore,
affected by multiple vulnerabilities as referenced in the mfsa2025-32 advisory.

  - Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9. 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-2025-4091)

  - Thunderbird's update mechanism allowed a medium-integrity user process to interfere with the SYSTEM-level
    updater by manipulating the file-locking behavior. By injecting code into the user-privileged process, an
    attacker could bypass intended access controls, allowing SYSTEM-level file operations on paths controlled
    by a non-privileged user and enabling privilege escalation. (CVE-2025-2817)

  - Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when chained
    with other vulnerabilities, could be used to escalate privileges. This bug only affects Thunderbird for
    macOS. Other versions of Thunderbird are unaffected. (CVE-2025-4082)

  - A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which
    could allow content to execute in the top-level document's process instead of the intended frame,
    potentially enabling a sandbox escape. (CVE-2025-4083)

  - Due to insufficient escaping of the special characters in the copy as cURL feature, an attacker could
    trick a user into using this command, potentially leading to local code execution on the user's system.
    This bug only affects Firefox for Windows. Other versions of Firefox are unaffected. (CVE-2025-4084)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.mozilla.org/en-US/security/advisories/mfsa2025-32/");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Mozilla Thunderbird ESR version 128.10 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2025-4091");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2025-2817");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2025/04/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2025/04/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2025/04/29");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:mozilla:thunderbird_esr");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"MacOS X Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2025 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("macosx_thunderbird_installed.nasl");
  script_require_keys("MacOSX/Thunderbird/Installed");

  exit(0);
}

include('mozilla_version.inc');

var kb_base = 'MacOSX/Thunderbird';
get_kb_item_or_exit(kb_base+'/Installed');

var version = get_kb_item_or_exit(kb_base+'/Version', exit_code:1);
var path = get_kb_item_or_exit(kb_base+'/Path', exit_code:1);

var is_esr = get_kb_item(kb_base+'/is_esr');
if (isnull(is_esr)) audit(AUDIT_NOT_INST, 'Mozilla Thunderbird ESR');

mozilla_check_version(version:version, path:path, product:'thunderbird', esr:TRUE, fix:'128.10', min:'128.0.0', severity:SECURITY_WARNING);

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16 May 2025 00:00Current
8.2High risk
Vulners AI Score8.2
CVSS 3.19.1
EPSS0.00538
SSVC
8