10 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.6 High
AI Score
Confidence
Low
0.008 Low
EPSS
Percentile
82.2%
The remote host is affected by the vulnerability described in GLSA-202405-23 (U-Boot tools: double free vulnerability)
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
#
# (C) Tenable, Inc.
#
# @NOAGENT@
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 202405-23.
#
# The advisory text is Copyright (C) 2001-2021 Gentoo Foundation, Inc.
# and licensed under the Creative Commons - Attribution / Share Alike
# license. See http://creativecommons.org/licenses/by-sa/3.0/
#
include('compat.inc');
if (description)
{
script_id(195167);
script_version("1.0");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/08");
script_cve_id("CVE-2020-8432");
script_name(english:"GLSA-202405-23 : U-Boot tools: double free vulnerability");
script_set_attribute(attribute:"synopsis", value:
"");
script_set_attribute(attribute:"description", value:
"The remote host is affected by the vulnerability described in GLSA-202405-23 (U-Boot tools: double free vulnerability)
- In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts()
function. Double freeing may result in a write-what-where condition, allowing an attacker to execute
arbitrary code. NOTE: this vulnerablity was introduced when attempting to fix a memory leak identified by
static analysis. (CVE-2020-8432)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://security.gentoo.org/glsa/202405-23");
script_set_attribute(attribute:"see_also", value:"https://bugs.gentoo.org/show_bug.cgi?id=717000");
script_set_attribute(attribute:"solution", value:
"All U-Boot tools users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose >=dev-embedded/u-boot-tools-2020.04");
script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
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:N/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-2020-8432");
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:"2020/01/29");
script_set_attribute(attribute:"patch_publication_date", value:"2024/05/08");
script_set_attribute(attribute:"plugin_publication_date", value:"2024/05/08");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:u-boot-tools");
script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Gentoo Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list");
exit(0);
}
include('qpkg.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item('Host/Gentoo/release')) audit(AUDIT_OS_NOT, 'Gentoo');
if (!get_kb_item('Host/Gentoo/qpkg-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
var flag = 0;
var packages = [
{
'name' : 'dev-embedded/u-boot-tools',
'unaffected' : make_list("ge 2020.04"),
'vulnerable' : make_list("lt 2020.04")
}
];
foreach var package( packages ) {
if (isnull(package['unaffected'])) package['unaffected'] = make_list();
if (isnull(package['vulnerable'])) package['vulnerable'] = make_list();
if (qpkg_check(package: package['name'] , unaffected: package['unaffected'], vulnerable: package['vulnerable'])) flag++;
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : qpkg_report_get()
);
exit(0);
}
else
{
qpkg_tests = list_uniq(qpkg_tests);
var tested = qpkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'U-Boot tools');
}
Vendor | Product | Version | CPE |
---|---|---|---|
gentoo | linux | u-boot-tools | p-cpe:/a:gentoo:linux:u-boot-tools |
gentoo | linux | cpe:/o:gentoo:linux |
10 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:C/I:C/A:C
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.6 High
AI Score
Confidence
Low
0.008 Low
EPSS
Percentile
82.2%