Debian DLA-1668-1 : libarchive security update

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-1668-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(122038);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/21");

  script_cve_id("CVE-2019-1000019", "CVE-2019-1000020");

  script_name(english:"Debian DLA-1668-1 : libarchive security update");

  script_set_attribute(attribute:"synopsis", value:
"The remote Debian host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"Fuzzing found two further file-format specific issues in libarchive, a
read-only segfault in 7z, and an infinite loop in ISO9660.

CVE-2019-1000019

Out-of-bounds Read vulnerability in 7zip decompression, that can
result in a crash (denial of service, CWE-125) CVE-2019-1000020

Vulnerability in ISO9660 parser that can result in DoS by
infinite loop (CWE-835)

For Debian 8 'Jessie', these problems have been fixed in version
3.1.2-11+deb8u7.

We recommend that you upgrade your libarchive packages.

NOTE: Tenable Network Security has extracted the preceding description
block directly from the DLA security advisory. Tenable has attempted
to automatically clean and format it as much as possible without
introducing additional issues.");
  script_set_attribute(attribute:"see_also", value:"https://lists.debian.org/debian-lts-announce/2019/02/msg00013.html");
  script_set_attribute(attribute:"see_also", value:"https://packages.debian.org/source/jessie/libarchive");
  script_set_attribute(attribute:"solution", value:
"Upgrade the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/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:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/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-2019-1000020");

  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:"2019/02/04");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/02/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/02/08");

  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:libarchive13");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:8.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2019-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("debian_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;
if (deb_check(release:"8.0", prefix:"bsdcpio", reference:"3.1.2-11+deb8u7")) flag++;
if (deb_check(release:"8.0", prefix:"bsdtar", reference:"3.1.2-11+deb8u7")) flag++;
if (deb_check(release:"8.0", prefix:"libarchive-dev", reference:"3.1.2-11+deb8u7")) flag++;
if (deb_check(release:"8.0", prefix:"libarchive13", reference:"3.1.2-11+deb8u7")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");