The remote OracleVM system is missing necessary patches to address critical security updates :
Allow to use ibmca crypto hardware (#1397547)
CVE-2015-8325: privilege escalation via user’s PAM environment and UseLogin=yes (1405374)
Fix missing hmac-md5-96 from server offer (#1373836)
Prevent infinite loop when Ctrl+Z pressed at password prompt (#1218424)
Remove RC4 cipher and MD5 based MAC from the default client proposal (#1373836)
Resolve sftp force permission colision with umask (#1341747)
Relax bits needed check to allow hmac-sha2-512 with gss-group1-sha1- (#1353359)
close ControlPersist background process stderr when not in debug mode (#1335539)
Do not add a message ‘The agent has no identities.’ in ~/.ssh/authorized_keys (#1353410)
ssh-copy-id: SunOS does not understand ~ (#1327547)
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from OracleVM
# Security Advisory OVMSA-2017-0053.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(99080);
script_version("3.4");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");
script_cve_id("CVE-2015-8325");
script_name(english:"OracleVM 3.3 / 3.4 : openssh (OVMSA-2017-0053)");
script_summary(english:"Checks the RPM output for the updated packages.");
script_set_attribute(
attribute:"synopsis",
value:"The remote OracleVM host is missing one or more security updates."
);
script_set_attribute(
attribute:"description",
value:
"The remote OracleVM system is missing necessary patches to address
critical security updates :
- Allow to use ibmca crypto hardware (#1397547)
- CVE-2015-8325: privilege escalation via user's PAM
environment and UseLogin=yes (1405374)
- Fix missing hmac-md5-96 from server offer (#1373836)
- Prevent infinite loop when Ctrl+Z pressed at password
prompt (#1218424)
- Remove RC4 cipher and MD5 based MAC from the default
client proposal (#1373836)
- Resolve sftp force permission colision with umask
(#1341747)
- Relax bits needed check to allow hmac-sha2-512 with
gss-group1-sha1- (#1353359)
- close ControlPersist background process stderr when not
in debug mode (#1335539)
- Do not add a message 'The agent has no identities.' in
~/.ssh/authorized_keys (#1353410)
- ssh-copy-id: SunOS does not understand ~ (#1327547)"
);
# https://oss.oracle.com/pipermail/oraclevm-errata/2017-March/000668.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?854d27aa"
);
# https://oss.oracle.com/pipermail/oraclevm-errata/2017-March/000663.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?90daf6f4"
);
script_set_attribute(
attribute:"solution",
value:
"Update the affected openssh / openssh-clients / openssh-server
packages."
);
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/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:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:openssh");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:openssh-clients");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:oracle:vm:openssh-server");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:vm_server:3.3");
script_set_attribute(attribute:"cpe", value:"cpe:/o:oracle:vm_server:3.4");
script_set_attribute(attribute:"vuln_publication_date", value:"2016/05/01");
script_set_attribute(attribute:"patch_publication_date", value:"2017/03/29");
script_set_attribute(attribute:"plugin_publication_date", value:"2017/03/30");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2017-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_family(english:"OracleVM Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/OracleVM/release", "Host/OracleVM/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/OracleVM/release");
if (isnull(release) || "OVS" >!< release) audit(AUDIT_OS_NOT, "OracleVM");
if (! preg(pattern:"^OVS" + "(3\.3|3\.4)" + "(\.[0-9]|$)", string:release)) audit(AUDIT_OS_NOT, "OracleVM 3.3 / 3.4", "OracleVM " + release);
if (!get_kb_item("Host/OracleVM/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "OracleVM", cpu);
if ("x86_64" >!< cpu) audit(AUDIT_ARCH_NOT, "x86_64", cpu);
flag = 0;
if (rpm_check(release:"OVS3.3", reference:"openssh-5.3p1-122.el6")) flag++;
if (rpm_check(release:"OVS3.3", reference:"openssh-clients-5.3p1-122.el6")) flag++;
if (rpm_check(release:"OVS3.3", reference:"openssh-server-5.3p1-122.el6")) flag++;
if (rpm_check(release:"OVS3.4", reference:"openssh-5.3p1-122.el6")) flag++;
if (rpm_check(release:"OVS3.4", reference:"openssh-clients-5.3p1-122.el6")) flag++;
if (rpm_check(release:"OVS3.4", reference:"openssh-server-5.3p1-122.el6")) flag++;
if (flag)
{
if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
else security_hole(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "openssh / openssh-clients / openssh-server");
}