Vulnerabilities > CVE-2003-0682 - Remote Security vulnerability in OpenSSH

#%NASL_MIN_LEVEL 80502
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Slackware Security Advisory 2003-266-01. The text 
# itself is copyright (C) Slackware Linux, Inc.
#

include("compat.inc");

if (description)
{
  script_id(18728);
  script_version("1.16");
  script_cvs_date("Date: 2019/10/25 13:36:20");

  script_xref(name:"SSA", value:"2003-266-01");

  script_name(english:"Slackware 8.1 / 9.0 / current : New OpenSSH packages (SSA:2003-266-01)");
  script_summary(english:"Checks for updated package in /var/log/packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Slackware host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Upgraded OpenSSH 3.7.1p2 packages are available for Slackware 8.1,
9.0 and -current. This fixes security problems with PAM
authentication. It also includes several code cleanups from Solar
Designer. Slackware is not vulnerable to the PAM problem, and it is
not believed that any of the other code cleanups fix exploitable
security problems, not nevertheless sites may wish to upgrade. These
are some of the more interesting entries from OpenSSH's ChangeLog so
you can be the judge: [buffer.c] protect against double free; #660;
zardoz at users.sf.net - [email protected] 2003/09/18 08:49:45
[deattack.c misc.c session.c ssh-agent.c] more buffer allocation
fixes; from Solar Designer; CAN-2003-0682; ok millert@ - (djm) Bug
#676: Fix PAM stack corruption - (djm) Fix bad free() in PAM code"
  );
  # http://www.slackware.com/security/viewer.php?l=slackware-security&y=2003&m=slackware-security.373294
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?d0bae0a9"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected openssh package."
  );
  script_set_attribute(attribute:"risk_factor", value:"High");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:slackware:slackware_linux:openssh");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux:8.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:slackware:slackware_linux:9.0");

  script_set_attribute(attribute:"patch_publication_date", value:"2003/09/24");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/07/13");
  script_set_attribute(attribute:"vuln_publication_date", value:"2003/09/16");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2005-2019 Tenable Network Security, Inc.");
  script_family(english:"Slackware Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Slackware/release", "Host/Slackware/packages");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("slackware.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Slackware/release")) audit(AUDIT_OS_NOT, "Slackware");
if (!get_kb_item("Host/Slackware/packages")) 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$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Slackware", cpu);


flag = 0;
if (slackware_check(osver:"8.1", pkgname:"openssh", pkgver:"3.7.1p2", pkgarch:"i386", pkgnum:"1")) flag++;

if (slackware_check(osver:"9.0", pkgname:"openssh", pkgver:"3.7.1p2", pkgarch:"i386", pkgnum:"1")) flag++;

if (slackware_check(osver:"current", pkgname:"openssh", pkgver:"3.7.1p2", pkgarch:"i486", pkgnum:"1")) flag++;


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

#%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-2003:280. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(12421);
  script_version ("1.23");
  script_cvs_date("Date: 2019/10/25 13:36:10");

  script_cve_id("CVE-2003-0682", "CVE-2003-0693", "CVE-2003-0695");
  script_xref(name:"RHSA", value:"2003:280");

  script_name(english:"RHEL 2.1 : openssh (RHSA-2003:280)");
  script_summary(english:"Checks the rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Red Hat host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Updated OpenSSH packages are now available that fix bugs that may be
remotely exploitable.

[Updated 17 Sep 2003] Updated packages are now available to fix
additional buffer manipulation problems which were fixed in OpenSSH
3.7.1. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CVE-2003-0695 to these
additional issues.

We have also included fixes from Solar Designer for some additional
memory bugs. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CVE-2003-0682 to these issues.

OpenSSH is a suite of network connectivity tools that can be used to
establish encrypted connections between systems on a network and can
provide interactive login sessions and port forwarding, among other
functions.

The OpenSSH team has announced a bug which affects the OpenSSH buffer
handling code. This bug has the potential of being remotely
exploitable. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CVE-2003-0693 to this issue.

All users of OpenSSH should immediately apply this update which
contains a backported fix for this issue."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2003-0682"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2003-0693"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2003-0695"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.openssh.com/txt/buffer.adv"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2003:280"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openssh");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openssh-askpass");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openssh-askpass-gnome");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openssh-clients");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openssh-server");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:2.1");

  script_set_attribute(attribute:"vuln_publication_date", value:"2003/09/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2003/09/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2004/07/06");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2004-2019 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:"^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-2003:280";
  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:"RHEL2.1", cpu:"i386", reference:"openssh-3.1p1-14")) flag++;
  if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"openssh-askpass-3.1p1-14")) flag++;
  if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"openssh-askpass-gnome-3.1p1-14")) flag++;
  if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"openssh-clients-3.1p1-14")) flag++;
  if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"openssh-server-3.1p1-14")) 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, "openssh / openssh-askpass / openssh-askpass-gnome / openssh-clients / etc");
  }
}