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nessusThis script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.SUSE_SU-2021-0998-1.NASL
HistoryApr 01, 2021 - 12:00 a.m.

SUSE SLES12 Security Update : opensc (SUSE-SU-2021:0998-1)

2021-04-0100:00:00
This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
13

6.3 Medium

AI Score

Confidence

High

This update for opensc fixes the following issues :

CVE-2020-26571: gemsafe GPK smart card software driver stack-based buffer overflow (bsc#1177380)

CVE-2019-15946: out-of-bounds access of an ASN.1 Octet string in asn1_decode_entry (bsc#1149747)

CVE-2019-15945: out-of-bounds access of an ASN.1 Bitstring in decode_bit_string (bsc#1149746)

CVE-2019-19479: incorrect read operation during parsing of a SETCOS file attribute (bsc#1158256)

CVE-2020-26572: Prevent out of bounds write (bsc#1177378)

CVE-2020-26570: Fix buffer overflow in sc_oberthur_read_file (bsc#1177364)

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2021:0998-1.
# The text itself is copyright (C) SUSE.
#

include('compat.inc');

if (description)
{
  script_id(148269);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/08");

  script_cve_id(
    "CVE-2019-15945",
    "CVE-2019-15946",
    "CVE-2019-19479",
    "CVE-2020-26570",
    "CVE-2020-26571",
    "CVE-2020-26572"
  );

  script_name(english:"SUSE SLES12 Security Update : opensc (SUSE-SU-2021:0998-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote SUSE host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"This update for opensc fixes the following issues :

CVE-2020-26571: gemsafe GPK smart card software driver stack-based
buffer overflow (bsc#1177380)

CVE-2019-15946: out-of-bounds access of an ASN.1 Octet string in
asn1_decode_entry (bsc#1149747)

CVE-2019-15945: out-of-bounds access of an ASN.1 Bitstring in
decode_bit_string (bsc#1149746)

CVE-2019-19479: incorrect read operation during parsing of a SETCOS
file attribute (bsc#1158256)

CVE-2020-26572: Prevent out of bounds write (bsc#1177378)

CVE-2020-26570: Fix buffer overflow in sc_oberthur_read_file
(bsc#1177364)

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE 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://bugzilla.suse.com/show_bug.cgi?id=1149746");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1149747");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1158256");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177364");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177378");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.suse.com/show_bug.cgi?id=1177380");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-15945/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-15946/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2019-19479/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26570/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26571/");
  script_set_attribute(attribute:"see_also", value:"https://www.suse.com/security/cve/CVE-2020-26572/");
  # https://www.suse.com/support/update/announcement/2021/suse-su-20210998-1
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?ed15db6a");
  script_set_attribute(attribute:"solution", value:
"To install this SUSE Security Update use the SUSE recommended
installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server 12-SP5 :

zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-998=1");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:P/AC:H/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-2019-15946");

  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:"2019/09/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/03/31");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/04/01");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:opensc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:opensc-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:opensc-debugsource");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:12");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release !~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLES12)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLES12", "SUSE " + os_ver);

if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);

sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES12" && (! preg(pattern:"^(5)$", string:sp))) audit(AUDIT_OS_NOT, "SLES12 SP5", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES12", sp:"5", reference:"opensc-0.13.0-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"opensc-debuginfo-0.13.0-3.11.1")) flag++;
if (rpm_check(release:"SLES12", sp:"5", reference:"opensc-debugsource-0.13.0-3.11.1")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "opensc");
}

References

6.3 Medium

AI Score

Confidence

High

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