SuSE 10 Security Update : sudo (ZYPP Patch Number 6891)

2010-03-09T00:00:00
ID SUSE_SUDO-6891.NASL
Type nessus
Reporter Tenable
Modified 2012-05-17T00:00:00

Description

This update fixes the following security issue :

  • A privilege escalation flaw was found in the way sudo used to check file paths for pseudocommands. If local, unprivileged user was authorized by sudoers file to edit one or more files, it could lead to execution of arbitrary code, with the privileges of privileged system user (root). (CVE-2010-0426:CVSS v2 Base Score: 6.6)

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The text description of this plugin is (C) Novell, Inc.
#

include("compat.inc");

if (description)
{
  script_id(45015);
  script_version ("$Revision: 1.9 $");
  script_cvs_date("$Date: 2012/05/17 11:27:18 $");

  script_cve_id("CVE-2010-0426");

  script_name(english:"SuSE 10 Security Update : sudo (ZYPP Patch Number 6891)");
  script_summary(english:"Checks rpm output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote SuSE 10 host is missing a security-related patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update fixes the following security issue :

  - A privilege escalation flaw was found in the way sudo
    used to check file paths for pseudocommands. If local,
    unprivileged user was authorized by sudoers file to edit
    one or more files, it could lead to execution of
    arbitrary code, with the privileges of privileged system
    user (root). (CVE-2010-0426:CVSS v2 Base Score: 6.6)"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://support.novell.com/security/cve/CVE-2010-0426.html"
  );
  script_set_attribute(attribute:"solution", value:"Apply ZYPP patch number 6891.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_cwe_id(264);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:suse:suse_linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2010/03/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2010/03/09");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2010-2012 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("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) exit(0, "Local checks are not enabled.");
if (!get_kb_item("Host/SuSE/release")) exit(0, "The host is not running SuSE.");
if (!get_kb_item("Host/SuSE/rpm-list")) exit(1, "Could not obtain the list of installed packages.");

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) exit(1, "Failed to determine the architecture type.");
if (cpu >!< "x86_64" && cpu !~ "^i[3-6]86$") exit(1, "Local checks for SuSE 10 on the '"+cpu+"' architecture have not been implemented.");


flag = 0;
if (rpm_check(release:"SLED10", sp:2, reference:"sudo-1.6.8p12-18.16.2")) flag++;
if (rpm_check(release:"SLES10", sp:2, reference:"sudo-1.6.8p12-18.16.2")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else exit(0, "The host is not affected.");