Debian DLA-2513-1 : p11-kit security update

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Debian Security Advisory DLA-2513-1. The text
# itself is copyright (C) Software in the Public Interest, Inc.
#

include("compat.inc");

if (description)
{
  script_id(144738);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/13");

  script_cve_id("CVE-2020-29361", "CVE-2020-29362");

  script_name(english:"Debian DLA-2513-1 : p11-kit security update");
  script_summary(english:"Checks dpkg output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis",
    value:"The remote Debian host is missing a security update."
  );
  script_set_attribute(
    attribute:"description",
    value:
"Several memory safety issues affecting the RPC protocol were fixed in
p11-kit, a library providing a way to load and enumerate PKCS#11
modules.

CVE-2020-29361

Multiple integer overflows

CVE-2020-29362

Heap-based buffer over-read

For Debian 9 stretch, these problems have been fixed in version
0.23.3-2+deb9u1.

We recommend that you upgrade your p11-kit packages.

For the detailed security status of p11-kit please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/p11-kit

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/2021/01/msg00002.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://packages.debian.org/source/stretch/p11-kit"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security-tracker.debian.org/tracker/source-package/p11-kit"
  );
  script_set_attribute(attribute:"solution", value:"Upgrade the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N");
  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:L/I:N/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-29362");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libp11-kit-dev");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:libp11-kit0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:p11-kit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:p11-kit-modules");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:9.0");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/12/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/01/04");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/01/05");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Debian Local Security Checks");

  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:"9.0", prefix:"libp11-kit-dev", reference:"0.23.3-2+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"libp11-kit0", reference:"0.23.3-2+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"p11-kit", reference:"0.23.3-2+deb9u1")) flag++;
if (deb_check(release:"9.0", prefix:"p11-kit-modules", reference:"0.23.3-2+deb9u1")) 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");