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Mandriva Linux Security Advisory : shadow-utils (MDVSA-2009:062)

2009-04-23T00:00:00
ID MANDRIVA_MDVSA-2009-062.NASL
Type nessus
Reporter This script is Copyright (C) 2009-2021 Tenable Network Security, Inc.
Modified 2009-04-23T00:00:00

Description

A security vulnerability has been identified and fixed in login application from shadow-utils, which could allow local users in the utmp group to overwrite arbitrary files via a symlink attack on a temporary file referenced in a line (aka ut_line) field in a utmp entry (CVE-2008-5394).

The updated packages have been patched to prevent this.

Note: Mandriva Linux is using login application from util-linux-ng by default, and therefore is not affected by this issue on default configuration.

                                        
                                            #%NASL_MIN_LEVEL 70300

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Mandriva Linux Security Advisory MDVSA-2009:062. 
# The text itself is copyright (C) Mandriva S.A.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(36812);
  script_version("1.13");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");

  script_cve_id("CVE-2008-5394");
  script_xref(name:"MDVSA", value:"2009:062");

  script_name(english:"Mandriva Linux Security Advisory : shadow-utils (MDVSA-2009:062)");
  script_summary(english:"Checks rpm output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Mandriva Linux host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"A security vulnerability has been identified and fixed in login
application from shadow-utils, which could allow local users in the
utmp group to overwrite arbitrary files via a symlink attack on a
temporary file referenced in a line (aka ut_line) field in a utmp
entry (CVE-2008-5394).

The updated packages have been patched to prevent this.

Note: Mandriva Linux is using login application from util-linux-ng by
default, and therefore is not affected by this issue on default
configuration."
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected shadow-utils package."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_cwe_id(59);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:shadow-utils");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:linux:2008.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:linux:2008.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:linux:2009.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2009/03/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/04/23");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2009-2021 Tenable Network Security, Inc.");
  script_family(english:"Mandriva Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/Mandrake/release", "Host/Mandrake/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);
if (!get_kb_item("Host/Mandrake/release")) audit(AUDIT_OS_NOT, "Mandriva / Mandake Linux");
if (!get_kb_item("Host/Mandrake/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^(amd64|i[3-6]86|x86_64)$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Mandriva / Mandrake Linux", cpu);


flag = 0;
if (rpm_check(release:"MDK2008.0", reference:"shadow-utils-4.0.12-8.1mdv2008.0", yank:"mdv")) flag++;

if (rpm_check(release:"MDK2008.1", reference:"shadow-utils-4.0.12-9.1mdv2008.1", yank:"mdv")) flag++;

if (rpm_check(release:"MDK2009.0", reference:"shadow-utils-4.0.12-17.1mdv2009.0", yank:"mdv")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");
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