openSUSE Security Update : sudo (openSUSE-2017-744)

2017-06-30T00:00:00
ID OPENSUSE-2017-744.NASL
Type nessus
Reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
Modified 2020-04-02T00:00:00

Description

This update for sudo fixes the following security issue :

  • CVE-2017-1000368: A follow-up fix to CVE-2017-1000367, the Linux process name could also contain a newline, which could be used to trick sudo to read/write to an arbitrary open terminal. (bsc#1042146)

Also the following non security bug was fixed :

  • Link the

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2017-744.
#
# The text description of this plugin is (C) SUSE LLC.
#

include("compat.inc");

if (description)
{
  script_id(101137);
  script_version("3.8");
  script_cvs_date("Date: 2019/10/18  8:01:08");

  script_cve_id("CVE-2017-1000367", "CVE-2017-1000368");

  script_name(english:"openSUSE Security Update : sudo (openSUSE-2017-744)");
  script_summary(english:"Check for the openSUSE-2017-744 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 sudo fixes the following security issue :

  - CVE-2017-1000368: A follow-up fix to CVE-2017-1000367,
    the Linux process name could also contain a newline,
    which could be used to trick sudo to read/write to an
    arbitrary open terminal. (bsc#1042146)

Also the following non security bug was fixed :

  - Link the 'system_group' plugin with sudo_util library to
    resolve the missing sudo_dso_findsym symbol
    (bsc#1034560)

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=1034560"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1042146"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected sudo 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:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/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:sudo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:sudo-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:sudo-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:sudo-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:sudo-test");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:42.2");

  script_set_attribute(attribute:"patch_publication_date", value:"2017/06/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/06/30");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2019 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:"sudo-1.8.10p3-9.6.1") ) flag++;
if ( rpm_check(release:"SUSE42.2", reference:"sudo-debuginfo-1.8.10p3-9.6.1") ) flag++;
if ( rpm_check(release:"SUSE42.2", reference:"sudo-debugsource-1.8.10p3-9.6.1") ) flag++;
if ( rpm_check(release:"SUSE42.2", reference:"sudo-devel-1.8.10p3-9.6.1") ) flag++;
if ( rpm_check(release:"SUSE42.2", reference:"sudo-test-1.8.10p3-9.6.1") ) 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, "sudo / sudo-debuginfo / sudo-debugsource / sudo-devel / sudo-test");
}