The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3202 advisory.
In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.
(CVE-2019-19221)
An improper link resolution flaw while extracting an archive can lead to changing the access control list (ACL) of the target of the link. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to change the ACL of a file on the system and gain more privileges. (CVE-2021-23177)
An improper link resolution flaw can occur while extracting an archive leading to changing modes, times, access control lists, and flags of a file outside of the archive. An attacker may provide a malicious archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker may use this flaw to gain more privileges in a system. (CVE-2021-31566)
Note that Nessus has not tested for these issues 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 Debian Security Advisory dla-3202. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#
include('compat.inc');
if (description)
{
script_id(168147);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/10/02");
script_cve_id("CVE-2019-19221", "CVE-2021-23177", "CVE-2021-31566");
script_name(english:"Debian DLA-3202-1 : libarchive - LTS security update");
script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing one or more security-related updates.");
script_set_attribute(attribute:"description", value:
"The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the
dla-3202 advisory.
- In Libarchive 3.4.0, archive_wstring_append_from_mbs in archive_string.c has an out-of-bounds read because
of an incorrect mbrtowc or mbtowc call. For example, bsdtar crashes via a crafted archive.
(CVE-2019-19221)
- An improper link resolution flaw while extracting an archive can lead to changing the access control list
(ACL) of the target of the link. An attacker may provide a malicious archive to a victim user, who would
trigger this flaw when trying to extract the archive. A local attacker may use this flaw to change the ACL
of a file on the system and gain more privileges. (CVE-2021-23177)
- An improper link resolution flaw can occur while extracting an archive leading to changing modes, times,
access control lists, and flags of a file outside of the archive. An attacker may provide a malicious
archive to a victim user, who would trigger this flaw when trying to extract the archive. A local attacker
may use this flaw to gain more privileges in a system. (CVE-2021-31566)
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://bugs.debian.org/cgi-bin/bugreport.cgi?bug=945287");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/source-package/libarchive");
script_set_attribute(attribute:"see_also", value:"https://www.debian.org/lts/security/2022/dla-3202");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2019-19221");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-23177");
script_set_attribute(attribute:"see_also", value:"https://security-tracker.debian.org/tracker/CVE-2021-31566");
script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/buster/libarchive");
script_set_attribute(attribute:"solution", value:
"Upgrade the libarchive packages.
For Debian 10 buster, these problems have been fixed in version 3.3.3-4+deb10u2.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:P");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-19221");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2021-31566");
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:"2019/11/21");
script_set_attribute(attribute:"patch_publication_date", value:"2022/11/22");
script_set_attribute(attribute:"plugin_publication_date", value:"2022/11/23");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bsdcpio");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:bsdtar");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libarchive-dev");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libarchive-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libarchive13");
script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:10.0");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Debian Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2022-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
exit(0);
}
include('debian_package.inc');
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
var debian_release = get_kb_item('Host/Debian/release');
if ( isnull(debian_release) ) audit(AUDIT_OS_NOT, 'Debian');
debian_release = chomp(debian_release);
if (! preg(pattern:"^(10)\.[0-9]+", string:debian_release)) audit(AUDIT_OS_NOT, 'Debian 10.0', 'Debian ' + debian_release);
var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Debian', cpu);
var pkgs = [
{'release': '10.0', 'prefix': 'bsdcpio', 'reference': '3.3.3-4+deb10u2'},
{'release': '10.0', 'prefix': 'bsdtar', 'reference': '3.3.3-4+deb10u2'},
{'release': '10.0', 'prefix': 'libarchive-dev', 'reference': '3.3.3-4+deb10u2'},
{'release': '10.0', 'prefix': 'libarchive-tools', 'reference': '3.3.3-4+deb10u2'},
{'release': '10.0', 'prefix': 'libarchive13', 'reference': '3.3.3-4+deb10u2'}
];
var flag = 0;
foreach package_array ( pkgs ) {
var _release = NULL;
var prefix = NULL;
var reference = NULL;
if (!empty_or_null(package_array['release'])) _release = package_array['release'];
if (!empty_or_null(package_array['prefix'])) prefix = package_array['prefix'];
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (_release && prefix && reference) {
if (deb_check(release:_release, prefix:prefix, reference:reference)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_NOTE,
extra : deb_report_get()
);
exit(0);
}
else
{
var tested = deb_pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'bsdcpio / bsdtar / libarchive-dev / libarchive-tools / libarchive13');
}
Vendor | Product | Version | CPE |
---|---|---|---|
debian | debian_linux | bsdcpio | p-cpe:/a:debian:debian_linux:bsdcpio |
debian | debian_linux | bsdtar | p-cpe:/a:debian:debian_linux:bsdtar |
debian | debian_linux | libarchive-dev | p-cpe:/a:debian:debian_linux:libarchive-dev |
debian | debian_linux | libarchive-tools | p-cpe:/a:debian:debian_linux:libarchive-tools |
debian | debian_linux | libarchive13 | p-cpe:/a:debian:debian_linux:libarchive13 |
debian | debian_linux | 10.0 | cpe:/o:debian:debian_linux:10.0 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19221
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23177
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31566
bugs.debian.org/cgi-bin/bugreport.cgi?bug=945287
packages.debian.org/source/buster/libarchive
security-tracker.debian.org/tracker/CVE-2019-19221
security-tracker.debian.org/tracker/CVE-2021-23177
security-tracker.debian.org/tracker/CVE-2021-31566
security-tracker.debian.org/tracker/source-package/libarchive
www.debian.org/lts/security/2022/dla-3202