4.8 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
0.0005 Low
EPSS
Percentile
17.1%
The version of gcc installed on the remote host is prior to 7.3.1-17. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2245 advisory.
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.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux 2 Security Advisory ALAS-2023-2245.
##
include('compat.inc');
if (description)
{
script_id(181359);
script_version("1.2");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/09/21");
script_cve_id("CVE-2023-4039");
script_name(english:"Amazon Linux 2 : gcc (ALAS-2023-2245)");
script_set_attribute(attribute:"synopsis", value:
"The remote Amazon Linux 2 host is missing a security update.");
script_set_attribute(attribute:"description", value:
"The version of gcc installed on the remote host is prior to 7.3.1-17. It is, therefore, affected by a vulnerability as
referenced in the ALAS2-2023-2245 advisory.
- A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker
to exploit an existing buffer overflow in dynamically-sized local variables in your application without
this being detected. This stack-protector failure only applies to C99-style dynamically-sized local
variables or those created using alloca(). The stack-protector operates as intended for statically-sized
local variables. The default behavior when the stack-protector detects an overflow is to terminate your
application, resulting in controlled loss of availability. An attacker who can exploit a buffer overflow
without triggering the stack-protector might be able to change program flow control to cause an
uncontrolled loss of availability or to go further and affect confidentiality or integrity.
(CVE-2023-4039)
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://alas.aws.amazon.com/AL2/ALAS-2023-2245.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-4039.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/faqs.html");
script_set_attribute(attribute:"solution", value:
"Run 'yum update gcc' to update your system.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-4039");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2023/09/08");
script_set_attribute(attribute:"patch_publication_date", value:"2023/09/08");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/09/13");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:cpp");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gcc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gcc-base-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gcc-c++");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gcc-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gcc-gdb-plugin");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gcc-gfortran");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gcc-gnat");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gcc-go");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gcc-objc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gcc-objc++");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:gcc-plugin-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libatomic");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libcilkrts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libgcc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libgccjit");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libgccjit-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libgfortran");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libgnat");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libgo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libgomp");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libitm");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libmpx");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libobjc");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libquadmath");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libsanitizer");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libstdc++");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:libstdc++-docs");
script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux:2");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Amazon Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/AmazonLinux/release", "Host/AmazonLinux/rpm-list");
exit(0);
}
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var alas_release = get_kb_item("Host/AmazonLinux/release");
if (isnull(alas_release) || !strlen(alas_release)) audit(AUDIT_OS_NOT, "Amazon Linux");
var os_ver = pregmatch(pattern: "^AL(A|\d+|-\d+)", string:alas_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
os_ver = os_ver[1];
if (os_ver != "2")
{
if (os_ver == 'A') os_ver = 'AMI';
audit(AUDIT_OS_NOT, "Amazon Linux 2", "Amazon Linux " + os_ver);
}
if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
var pkgs = [
{'reference':'cpp-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'cpp-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'cpp-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-base-debuginfo-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-base-debuginfo-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-base-debuginfo-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-c++-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-c++-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-c++-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-debuginfo-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-debuginfo-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-debuginfo-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-gdb-plugin-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-gdb-plugin-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-gdb-plugin-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-gfortran-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-gfortran-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-gfortran-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-gnat-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-gnat-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-gnat-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-go-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-go-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-go-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-objc++-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-objc++-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-objc++-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-objc-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-objc-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-objc-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-plugin-devel-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-plugin-devel-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'gcc-plugin-devel-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libatomic-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libatomic-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libatomic-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libcilkrts-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libcilkrts-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgcc-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgcc-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgcc-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgccjit-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgccjit-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgccjit-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgccjit-devel-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgccjit-devel-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgccjit-devel-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgfortran-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgfortran-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgfortran-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgnat-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgnat-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgnat-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgo-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgo-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgo-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgomp-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgomp-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libgomp-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libitm-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libitm-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libitm-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libmpx-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libmpx-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libobjc-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libobjc-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libobjc-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libquadmath-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libquadmath-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libsanitizer-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libsanitizer-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libsanitizer-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libstdc++-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libstdc++-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libstdc++-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libstdc++-docs-7.3.1-17.amzn2', 'cpu':'aarch64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libstdc++-docs-7.3.1-17.amzn2', 'cpu':'i686', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE},
{'reference':'libstdc++-docs-7.3.1-17.amzn2', 'cpu':'x86_64', 'release':'AL2', 'rpm_spec_vers_cmp':TRUE}
];
var flag = 0;
foreach var package_array ( pkgs ) {
var reference = NULL;
var _release = NULL;
var sp = NULL;
var _cpu = NULL;
var el_string = NULL;
var rpm_spec_vers_cmp = NULL;
var epoch = NULL;
var allowmaj = NULL;
var exists_check = NULL;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) _release = package_array['release'];
if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
if (reference && _release && (!exists_check || rpm_exists(release:_release, rpm:exists_check))) {
if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : rpm_report_get()
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "cpp / gcc / gcc-base-debuginfo / etc");
}
Vendor | Product | Version | CPE |
---|---|---|---|
amazon | linux | gcc-gnat | p-cpe:/a:amazon:linux:gcc-gnat |
amazon | linux | cpp | p-cpe:/a:amazon:linux:cpp |
amazon | linux | gcc-c%2b%2b | p-cpe:/a:amazon:linux:gcc-c%2b%2b |
amazon | linux | libgccjit-devel | p-cpe:/a:amazon:linux:libgccjit-devel |
amazon | linux | libitm | p-cpe:/a:amazon:linux:libitm |
amazon | linux | 2 | cpe:/o:amazon:linux:2 |
amazon | linux | libgcc | p-cpe:/a:amazon:linux:libgcc |
amazon | linux | libgo | p-cpe:/a:amazon:linux:libgo |
amazon | linux | libgfortran | p-cpe:/a:amazon:linux:libgfortran |
amazon | linux | libstdc%2b%2b | p-cpe:/a:amazon:linux:libstdc%2b%2b |