RHEL 2.1 : file (RHSA-2003:087)

2004-07-06T00:00:00
ID REDHAT-RHSA-2003-087.NASL
Type nessus
Reporter Tenable
Modified 2016-12-28T00:00:00

Description

Updated file packages are available to close a buffer overflow vulnerability.

[Updated 12 March 2003] Added packages for Red Hat Enterprise Linux ES and Red Hat Enterprise Linux WS

The file command is used to identify a particular file according to the type of data contained by the file.

The file utility before version 3.41 contains a buffer overflow vulnerability in the ELF parsing routines. This vulnerability may allow an attacker to create a carefully crafted binary which can cause arbitrary code to run if a victim runs the file command against that binary.

On some distributions it may also be possible to trigger this file command vulnerability by encouraging the victim to use the less command on an exploited file name so that it will be processed by the lesspipe.sh script.

All users are advised to update to these erratum packages which contain a backported patch to correct this vulnerability.

Red Hat would like to thank iDefense for disclosing this issue and zen-parse for discussion of some of the implications.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2003:087. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(12376);
  script_version ("$Revision: 1.18 $");
  script_cvs_date("$Date: 2016/12/28 17:44:43 $");

  script_cve_id("CVE-2003-0102");
  script_xref(name:"RHSA", value:"2003:087");

  script_name(english:"RHEL 2.1 : file (RHSA-2003:087)");
  script_summary(english:"Checks the rpm output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Red Hat host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Updated file packages are available to close a buffer overflow
vulnerability.

[Updated 12 March 2003] Added packages for Red Hat Enterprise Linux ES
and Red Hat Enterprise Linux WS

The file command is used to identify a particular file according to
the type of data contained by the file.

The file utility before version 3.41 contains a buffer overflow
vulnerability in the ELF parsing routines. This vulnerability may
allow an attacker to create a carefully crafted binary which can cause
arbitrary code to run if a victim runs the file command against that
binary.

On some distributions it may also be possible to trigger this file
command vulnerability by encouraging the victim to use the less
command on an exploited file name so that it will be processed by the
lesspipe.sh script.

All users are advised to update to these erratum packages which
contain a backported patch to correct this vulnerability.

Red Hat would like to thank iDefense for disclosing this issue and
zen-parse for discussion of some of the implications."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.redhat.com/security/data/cve/CVE-2003-0102.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.idefense.com/advisory/03.04.03.txt"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://rhn.redhat.com/errata/RHSA-2003-087.html"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected file package.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:file");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:2.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2003/03/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2004/07/06");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2004-2016 Tenable Network Security, Inc.");
  script_family(english:"Red Hat Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Red Hat" >!< release) audit(AUDIT_OS_NOT, "Red Hat");
os_ver = eregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat");
os_ver = os_ver[1];
if (! ereg(pattern:"^2\.1([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 2.1", "Red Hat " + os_ver);

if (!get_kb_item("Host/RedHat/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$" && "s390" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Red Hat", cpu);
if (cpu !~ "^i[3-6]86$") audit(AUDIT_ARCH_NOT, "i386", cpu);

yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo");
if (!empty_or_null(yum_updateinfo)) 
{
  rhsa = "RHSA-2003:087";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : yum_report 
    );
    exit(0);
  }
  else
  {
    audit_message = "affected by Red Hat security advisory " + rhsa;
    audit(AUDIT_OS_NOT, audit_message);
  }
}
else
{
  flag = 0;
  if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"file-3.39-8.7x")) flag++;

  if (flag)
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_WARNING,
      extra      : rpm_report_get() + redhat_report_package_caveat()
    );
    exit(0);
  }
  else
  {
    tested = pkg_tests_get();
    if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
    else audit(AUDIT_PACKAGE_NOT_INSTALLED, "file");
  }
}