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RHEL 2.1 : glibc (RHSA-2003:249)

2004-07-06T00:00:00
ID REDHAT-RHSA-2003-249.NASL
Type nessus
Reporter Tenable
Modified 2018-11-15T00:00:00

Description

Updated glibc packages that fix a number of bugs as well as a buffer overflow issue are now available.

The GNU libc package (known as glibc) contains the standard C libraries used by applications.

A bug in the getgrouplist function can cause a buffer overflow if the size of the group list is too small to hold all the user's groups. This overflow can cause segmentation faults in user applications, which may have security implications, depending on the application in question. This vulnerability exists only when an administrator has placed a user in a number of groups larger than that expected by an application. Therefore, there is no risk in instances where users are members of few groups. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2003-0689 to this issue.

In addition, a number of other bugs in glibc have been fixed :

  • An error prevented gdb from correctly debugging programs linked to libpthread.

  • A race condition existed in the malloc routine for IA64 platforms, which could cause memory corruption.

  • An error in pthread_spinlocks prevents spinlocks from functioning correctly on IA64 platforms.

All users should upgrade to these errata packages, which contain patches to the glibc libraries correcting these issues.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Red Hat Security Advisory RHSA-2003:249. The text 
# itself is copyright (C) Red Hat, Inc.
#

include("compat.inc");

if (description)
{
  script_id(12414);
  script_version ("1.22");
  script_cvs_date("Date: 2018/11/15 11:40:29");

  script_cve_id("CVE-2003-0689");
  script_xref(name:"RHSA", value:"2003:249");

  script_name(english:"RHEL 2.1 : glibc (RHSA-2003:249)");
  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 glibc packages that fix a number of bugs as well as a buffer
overflow issue are now available.

The GNU libc package (known as glibc) contains the standard C
libraries used by applications.

A bug in the getgrouplist function can cause a buffer overflow if the
size of the group list is too small to hold all the user's groups.
This overflow can cause segmentation faults in user applications,
which may have security implications, depending on the application in
question. This vulnerability exists only when an administrator has
placed a user in a number of groups larger than that expected by an
application. Therefore, there is no risk in instances where users are
members of few groups. The Common Vulnerabilities and Exposures
project (cve.mitre.org) has assigned the name CVE-2003-0689 to this
issue.

In addition, a number of other bugs in glibc have been fixed :

  - An error prevented gdb from correctly debugging programs
    linked to libpthread.

  - A race condition existed in the malloc routine for IA64
    platforms, which could cause memory corruption.

  - An error in pthread_spinlocks prevents spinlocks from
    functioning correctly on IA64 platforms.

All users should upgrade to these errata packages, which contain
patches to the glibc libraries correcting these issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2003-0689"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2003:249"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  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:glibc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:glibc-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:glibc-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:glibc-profile");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:nscd");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:2.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2003/08/22");
  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) 2004-2018 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 = 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);

yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo");
if (!empty_or_null(yum_updateinfo)) 
{
  rhsa = "RHSA-2003:249";
  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:"glibc-2.2.4-32.8")) flag++;
  if (rpm_check(release:"RHEL2.1", cpu:"i686", reference:"glibc-2.2.4-32.8")) flag++;
  if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"glibc-common-2.2.4-32.8")) flag++;
  if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"glibc-devel-2.2.4-32.8")) flag++;
  if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"glibc-profile-2.2.4-32.8")) flag++;
  if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"nscd-2.2.4-32.8")) 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, "glibc / glibc-common / glibc-devel / glibc-profile / nscd");
  }
}
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