Vulnerabilities > CVE-2016-10010 - Permissions, Privileges, and Access Controls vulnerability in Openbsd Openssh

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from F5 Networks BIG-IP Solution K64292204.
#
# The text description of this plugin is (C) F5 Networks.
#

include("compat.inc");

if (description)
{
  script_id(133774);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/02/24");

  script_cve_id("CVE-2016-10010");

  script_name(english:"F5 Networks BIG-IP : OpenSSH vulnerability (K64292204)");
  script_summary(english:"Checks the BIG-IP version.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote device is missing a vendor-supplied security patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"sshd in OpenSSH before 7.4, when privilege separation is not used,
creates forwarded Unix-domain sockets as root, which might allow local
users to gain privileges via unspecified vectors, related to
serverloop.c. (CVE-2016-10010)"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://support.f5.com/csp/article/K64292204"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Upgrade to one of the non-vulnerable versions listed in the F5
Solution K64292204."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"potential_vulnerability", value:"true");
  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_access_policy_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_advanced_firewall_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_application_acceleration_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_application_security_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_application_visibility_and_reporting");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_global_traffic_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_link_controller");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_local_traffic_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_policy_enforcement_manager");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:f5:big-ip_webaccelerator");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:f5:big-ip");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:f5:big-ip_protocol_security_manager");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/01/05");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/01/23");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/02/19");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"F5 Networks Local Security Checks");

  script_dependencies("f5_bigip_detect.nbin");
  script_require_keys("Host/local_checks_enabled", "Host/BIG-IP/hotfix", "Host/BIG-IP/modules", "Host/BIG-IP/version", "Settings/ParanoidReport");

  exit(0);
}


include("f5_func.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
version = get_kb_item("Host/BIG-IP/version");
if ( ! version ) audit(AUDIT_OS_NOT, "F5 Networks BIG-IP");
if ( isnull(get_kb_item("Host/BIG-IP/hotfix")) ) audit(AUDIT_KB_MISSING, "Host/BIG-IP/hotfix");
if ( ! get_kb_item("Host/BIG-IP/modules") ) audit(AUDIT_KB_MISSING, "Host/BIG-IP/modules");

sol = "K64292204";
vmatrix = make_array();

if (report_paranoia < 2) audit(AUDIT_PARANOID);

# AFM
vmatrix["AFM"] = make_array();
vmatrix["AFM"]["affected"  ] = make_list("14.0.0-14.0.1","13.1.0-13.1.3");
vmatrix["AFM"]["unaffected"] = make_list("14.1.0-14.1.2");

# AM
vmatrix["AM"] = make_array();
vmatrix["AM"]["affected"  ] = make_list("14.0.0-14.0.1","13.1.0-13.1.3");
vmatrix["AM"]["unaffected"] = make_list("14.1.0-14.1.2");

# APM
vmatrix["APM"] = make_array();
vmatrix["APM"]["affected"  ] = make_list("14.0.0-14.0.1","13.1.0-13.1.3");
vmatrix["APM"]["unaffected"] = make_list("14.1.0-14.1.2");

# ASM
vmatrix["ASM"] = make_array();
vmatrix["ASM"]["affected"  ] = make_list("14.0.0-14.0.1","13.1.0-13.1.3");
vmatrix["ASM"]["unaffected"] = make_list("14.1.0-14.1.2");

# AVR
vmatrix["AVR"] = make_array();
vmatrix["AVR"]["affected"  ] = make_list("14.0.0-14.0.1","13.1.0-13.1.3");
vmatrix["AVR"]["unaffected"] = make_list("14.1.0-14.1.2");

# GTM
vmatrix["GTM"] = make_array();
vmatrix["GTM"]["affected"  ] = make_list("14.0.0-14.0.1","13.1.0-13.1.3");
vmatrix["GTM"]["unaffected"] = make_list("14.1.0-14.1.2");

# LC
vmatrix["LC"] = make_array();
vmatrix["LC"]["affected"  ] = make_list("14.0.0-14.0.1","13.1.0-13.1.3");
vmatrix["LC"]["unaffected"] = make_list("14.1.0-14.1.2");

# LTM
vmatrix["LTM"] = make_array();
vmatrix["LTM"]["affected"  ] = make_list("14.0.0-14.0.1","13.1.0-13.1.3");
vmatrix["LTM"]["unaffected"] = make_list("14.1.0-14.1.2");

# PEM
vmatrix["PEM"] = make_array();
vmatrix["PEM"]["affected"  ] = make_list("14.0.0-14.0.1","13.1.0-13.1.3");
vmatrix["PEM"]["unaffected"] = make_list("14.1.0-14.1.2");

# PSM
vmatrix["PSM"] = make_array();
vmatrix["PSM"]["affected"  ] = make_list("14.0.0-14.0.1","13.1.0-13.1.3");
vmatrix["PSM"]["unaffected"] = make_list("14.1.0-14.1.2");

# WAM
vmatrix["WAM"] = make_array();
vmatrix["WAM"]["affected"  ] = make_list("14.0.0-14.0.1","13.1.0-13.1.3");
vmatrix["WAM"]["unaffected"] = make_list("14.1.0-14.1.2");


if (bigip_is_affected(vmatrix:vmatrix, sol:sol))
{
  if (report_verbosity > 0) security_warning(port:0, extra:bigip_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = bigip_get_tested_modules();
  audit_extra = "For BIG-IP module(s) " + tested + ",";
  if (tested) audit(AUDIT_INST_VER_NOT_VULN, audit_extra, version);
  else audit(AUDIT_HOST_NOT, "running any of the affected modules");
}

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2017-184.
#
# The text description of this plugin is (C) SUSE LLC.
#

include("compat.inc");

if (description)
{
  script_id(96919);
  script_version("3.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04");

  script_cve_id("CVE-2016-10009", "CVE-2016-10010", "CVE-2016-10011", "CVE-2016-10012", "CVE-2016-8858");

  script_name(english:"openSUSE Security Update : openssh (openSUSE-2017-184)");
  script_summary(english:"Check for the openSUSE-2017-184 patch");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update for openssh fixes several issues.

These security issues were fixed :

  - CVE-2016-8858: The kex_input_kexinit function in kex.c
    allowed remote attackers to cause a denial of service
    (memory consumption) by sending many duplicate KEXINIT
    requests (bsc#1005480).

  - CVE-2016-10012: The shared memory manager (associated
    with pre-authentication compression) did not ensure that
    a bounds check is enforced by all compilers, which might
    allowed local users to gain privileges by leveraging
    access to a sandboxed privilege-separation process,
    related to the m_zback and m_zlib data structures
    (bsc#1016370).

  - CVE-2016-10009: Untrusted search path vulnerability in
    ssh-agent.c allowed remote attackers to execute
    arbitrary local PKCS#11 modules by leveraging control
    over a forwarded agent-socket (bsc#1016366).

  - CVE-2016-10010: When forwarding unix domain sockets with
    privilege separation disabled, the resulting sockets
    have be created as 'root' instead of the authenticated
    user. Forwarding unix domain sockets without privilege
    separation enabled is now rejected.

  - CVE-2016-10011: authfile.c in sshd did not properly
    consider the effects of realloc on buffer contents,
    which might allowed local users to obtain sensitive
    private-key information by leveraging access to a
    privilege-separated child process (bsc#1016369).

These non-security issues were fixed :

  - Adjusted suggested command for removing conflicting
    server keys from the known_hosts file (bsc#1006221)

  - Properly verify CIDR masks in configuration (bsc#1005893
    bsc#1021626)

This update was imported from the SUSE:SLE-12-SP2:Update update
project."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1005480"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1005893"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1006221"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1016366"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1016368"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1016369"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1016370"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1021626"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected openssh packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:POC/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:P/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openssh");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openssh-askpass-gnome");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openssh-askpass-gnome-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openssh-cavs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openssh-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openssh-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openssh-fips");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openssh-helpers");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:openssh-helpers-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:42.2");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/01/31");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/02/01");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"SuSE Local Security Checks");

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

  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, "openSUSE");
if (release !~ "^(SUSE42\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "42.2", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE42.2", reference:"openssh-7.2p2-9.1") ) flag++;
if ( rpm_check(release:"SUSE42.2", reference:"openssh-askpass-gnome-7.2p2-9.1") ) flag++;
if ( rpm_check(release:"SUSE42.2", reference:"openssh-askpass-gnome-debuginfo-7.2p2-9.1") ) flag++;
if ( rpm_check(release:"SUSE42.2", reference:"openssh-cavs-7.2p2-9.1") ) flag++;
if ( rpm_check(release:"SUSE42.2", reference:"openssh-debuginfo-7.2p2-9.1") ) flag++;
if ( rpm_check(release:"SUSE42.2", reference:"openssh-debugsource-7.2p2-9.1") ) flag++;
if ( rpm_check(release:"SUSE42.2", reference:"openssh-fips-7.2p2-9.1") ) flag++;
if ( rpm_check(release:"SUSE42.2", reference:"openssh-helpers-7.2p2-9.1") ) flag++;
if ( rpm_check(release:"SUSE42.2", reference:"openssh-helpers-debuginfo-7.2p2-9.1") ) 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-askpass-gnome / openssh-askpass-gnome-debuginfo / openssh / etc");
}