CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:H/Au:N/C:P/I:N/A:N
EPSS
Percentile
77.9%
OpenVPN used a non-constant-time memcmp in HMAC comparison in openvpn_decrypt that might have allowed remote attackers to gain knowledge of plaintext data. (CVE-2013-2061)
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SuSE 11 update information. The text itself is
# copyright (C) Novell, Inc.
#
if (NASL_LEVEL < 3000) exit(0);
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(71137);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");
script_cve_id("CVE-2013-2061");
script_name(english:"SuSE 11.3 Security Update : openvpn (SAT Patch Number 8493)");
script_summary(english:"Checks rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:"The remote SuSE 11 host is missing one or more security updates."
);
script_set_attribute(
attribute:"description",
value:
"OpenVPN used a non-constant-time memcmp in HMAC comparison in
openvpn_decrypt that might have allowed remote attackers to gain
knowledge of plaintext data. (CVE-2013-2061)"
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.novell.com/show_bug.cgi?id=843509"
);
script_set_attribute(
attribute:"see_also",
value:"http://support.novell.com/security/cve/CVE-2013-2061.html"
);
script_set_attribute(attribute:"solution", value:"Apply SAT patch number 8493.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:11:openvpn");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:11:openvpn-auth-pam-plugin");
script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");
script_set_attribute(attribute:"patch_publication_date", value:"2013/11/01");
script_set_attribute(attribute:"plugin_publication_date", value:"2013/11/29");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2013-2021 Tenable Network Security, Inc.");
script_family(english:"SuSE Local Security Checks");
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)11") audit(AUDIT_OS_NOT, "SuSE 11");
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 11", cpu);
pl = get_kb_item("Host/SuSE/patchlevel");
if (isnull(pl) || int(pl) != 3) audit(AUDIT_OS_NOT, "SuSE 11.3");
flag = 0;
if (rpm_check(release:"SLED11", sp:3, cpu:"i586", reference:"openvpn-2.0.9-143.40.5")) flag++;
if (rpm_check(release:"SLED11", sp:3, cpu:"x86_64", reference:"openvpn-2.0.9-143.40.5")) flag++;
if (rpm_check(release:"SLES11", sp:3, reference:"openvpn-2.0.9-143.40.5")) flag++;
if (rpm_check(release:"SLES11", sp:3, reference:"openvpn-auth-pam-plugin-2.0.9-143.40.5")) flag++;
if (flag)
{
if (report_verbosity > 0) security_note(port:0, extra:rpm_report_get());
else security_note(0);
exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");