Mandrake Linux Security Advisory : ruby (MDKSA-2005:191)

2005-11-02T00:00:00
ID MANDRAKE_MDKSA-2005-191.NASL
Type nessus
Reporter Tenable
Modified 2013-05-31T00:00:00

Description

Yutaka Oiwa discovered a bug in Ruby, the interpreter for the object-oriented scripting language, that can cause illegal program code to bypass the safe level and taint flag protections check and be executed.

The updated packages have been patched to address this issue.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Mandrake Linux Security Advisory MDKSA-2005:191. 
# The text itself is copyright (C) Mandriva S.A.
#

include("compat.inc");

if (description)
{
  script_id(20121);
  script_version ("$Revision: 1.14 $");
  script_cvs_date("$Date: 2013/05/31 23:51:58 $");

  script_cve_id("CVE-2005-2337");
  script_xref(name:"MDKSA", value:"2005:191");

  script_name(english:"Mandrake Linux Security Advisory : ruby (MDKSA-2005:191)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Mandrake Linux host is missing one or more security
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Yutaka Oiwa discovered a bug in Ruby, the interpreter for the
object-oriented scripting language, that can cause illegal program
code to bypass the safe level and taint flag protections check and be
executed.

The updated packages have been patched to address this issue."
  );
  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:mandriva:linux:ruby");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:ruby-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:ruby-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:mandriva:linux:ruby-tk");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandrakesoft:mandrake_linux:10.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandriva:linux:2006");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/o:mandrakesoft:mandrake_linux:le2005");

  script_set_attribute(attribute:"patch_publication_date", value:"2005/10/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/11/02");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2005-2013 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:"MDK10.1", reference:"ruby-1.8.1-4.4.101mdk", yank:"mdk")) flag++;
if (rpm_check(release:"MDK10.1", reference:"ruby-devel-1.8.1-4.4.101mdk", yank:"mdk")) flag++;
if (rpm_check(release:"MDK10.1", reference:"ruby-doc-1.8.1-4.4.101mdk", yank:"mdk")) flag++;
if (rpm_check(release:"MDK10.1", reference:"ruby-tk-1.8.1-4.4.101mdk", yank:"mdk")) flag++;

if (rpm_check(release:"MDK10.2", reference:"ruby-1.8.2-6.2.102mdk", yank:"mdk")) flag++;
if (rpm_check(release:"MDK10.2", reference:"ruby-devel-1.8.2-6.2.102mdk", yank:"mdk")) flag++;
if (rpm_check(release:"MDK10.2", reference:"ruby-doc-1.8.2-6.2.102mdk", yank:"mdk")) flag++;
if (rpm_check(release:"MDK10.2", reference:"ruby-tk-1.8.2-6.2.102mdk", yank:"mdk")) flag++;

if (rpm_check(release:"MDK2006.0", reference:"ruby-1.8.2-7.1.20060mdk", yank:"mdk")) flag++;
if (rpm_check(release:"MDK2006.0", reference:"ruby-devel-1.8.2-7.1.20060mdk", yank:"mdk")) flag++;
if (rpm_check(release:"MDK2006.0", reference:"ruby-doc-1.8.2-7.1.20060mdk", yank:"mdk")) flag++;
if (rpm_check(release:"MDK2006.0", reference:"ruby-tk-1.8.2-7.1.20060mdk", yank:"mdk")) 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");