Vulnerabilities > CVE-2005-0086 - Unspecified vulnerability in Redhat Enterprise Linux and Enterprise Linux Desktop

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
network
low complexity
redhat
nessus

Summary

Heap-based buffer overflow in less in Red Hat Enterprise Linux 3 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted file, as demonstrated using the UTF-8 locale.

Vulnerable Configurations

Part Description Count
OS
Redhat
4

Nessus

NASL familyRed Hat Local Security Checks
NASL idREDHAT-RHSA-2005-068.NASL
descriptionAn updated less package that fixes segmentation fault when viewing binary files is now available. The less utility is a text file browser that resembles more, but has extended capabilities. Victor Ashik discovered a heap based buffer overflow in less, caused by a patch added to the less package in Red Hat Enterprise Linux 3. An attacker could construct a carefully crafted file that could cause less to crash or possibly execute arbitrary code when opened. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2005-0086 to this issue. Note that this issue only affects the version of less distributed with Red Hat Enterprise Linux 3. Red Hat believes that the Exec-Shield technology (enabled by default since Update 3) will block attempts to remotely exploit this vulnerability on x86 architectures. All users of the less package should upgrade to this updated package, which resolves this issue.
last seen2020-06-01
modified2020-06-02
plugin id16264
published2005-01-26
reporterThis script is Copyright (C) 2005-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/16264
titleRHEL 3 : less (RHSA-2005:068)
code
#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2005:068. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(16264);
  script_version ("1.23");
  script_cvs_date("Date: 2019/10/25 13:36:11");

  script_cve_id("CVE-2005-0086");
  script_xref(name:"RHSA", value:"2005:068");

  script_name(english:"RHEL 3 : less (RHSA-2005:068)");
  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:
"An updated less package that fixes segmentation fault when viewing
binary files is now available.

The less utility is a text file browser that resembles more, but has
extended capabilities.

Victor Ashik discovered a heap based buffer overflow in less, caused
by a patch added to the less package in Red Hat Enterprise Linux 3. An
attacker could construct a carefully crafted file that could cause
less to crash or possibly execute arbitrary code when opened. The
Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CVE-2005-0086 to this issue. Note that this issue
only affects the version of less distributed with Red Hat Enterprise
Linux 3.

Red Hat believes that the Exec-Shield technology (enabled by default
since Update 3) will block attempts to remotely exploit this
vulnerability on x86 architectures.

All users of the less package should upgrade to this updated package,
which resolves this issue."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2005-0086"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2005:068"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected less package.");
  script_set_cvss_base_vector("CVSS2#AV:N/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:less");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:3");

  script_set_attribute(attribute:"vuln_publication_date", value:"2005/05/02");
  script_set_attribute(attribute:"patch_publication_date", value:"2005/01/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/01/26");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2005-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  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 = pregmatch(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 (! preg(pattern:"^3([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 3.x", "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);

yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo");
if (!empty_or_null(yum_updateinfo)) 
{
  rhsa = "RHSA-2005:068";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      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:"RHEL3", reference:"less-378-12")) flag++;

  if (flag)
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      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, "less");
  }
}

Oval

accepted2013-04-29T04:10:52.092-04:00
classvulnerability
contributors
  • nameAharon Chernin
    organizationSCAP.com, LLC
  • nameDragos Prisaca
    organizationG2, Inc.
definition_extensions
  • commentThe operating system installed on the system is Red Hat Enterprise Linux 3
    ovaloval:org.mitre.oval:def:11782
  • commentCentOS Linux 3.x
    ovaloval:org.mitre.oval:def:16651
descriptionHeap-based buffer overflow in less in Red Hat Enterprise Linux 3 allows attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted file, as demonstrated using the UTF-8 locale.
familyunix
idoval:org.mitre.oval:def:11027
statusaccepted
submitted2010-07-09T03:56:16-04:00
titleBuffer overflow in the slc_add_reply function in various BSD-based Telnet clients, when handling LINEMODE suboptions, allows remote attackers to execute arbitrary code via a reply with a large number of Set Local Character (SLC) commands.
version25

Redhat

advisories
rhsa
idRHSA-2005:068
rpms
  • less-0:378-12
  • less-debuginfo-0:378-12