CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
69.5%
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");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15945
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15946
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19479
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26570
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26571
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26572
www.nessus.org/u?ed15db6a
bugzilla.suse.com/show_bug.cgi?id=1149746
bugzilla.suse.com/show_bug.cgi?id=1149747
bugzilla.suse.com/show_bug.cgi?id=1158256
bugzilla.suse.com/show_bug.cgi?id=1177364
bugzilla.suse.com/show_bug.cgi?id=1177378
bugzilla.suse.com/show_bug.cgi?id=1177380
www.suse.com/security/cve/CVE-2019-15945/
www.suse.com/security/cve/CVE-2019-15946/
www.suse.com/security/cve/CVE-2019-19479/
www.suse.com/security/cve/CVE-2020-26570/
www.suse.com/security/cve/CVE-2020-26571/
www.suse.com/security/cve/CVE-2020-26572/
CVSS2
Attack Vector
LOCAL
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
69.5%