Vulnerabilities > CVE-2007-0469 - Denial-Of-Service vulnerability in Rubyforge Rubygems 0.8.11

047910
CVSS 9.3 - CRITICAL
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
network
rubyforge
critical
nessus

Summary

The extract_files function in installer.rb in RubyGems before 0.9.1 does not check whether files exist before overwriting them, which allows user-assisted remote attackers to overwrite arbitrary files, cause a denial of service, or execute arbitrary code via crafted GEM packages.

Vulnerable Configurations

Part Description Count
Application
Rubyforge
2

Nessus

NASL familySuSE Local Security Checks
NASL idSUSE_RUBYGEMS-2644.NASL
descriptionThis update fixes a vulnerability in rubygems that allowed to overwrite files with root privileges. (CVE-2007-0469)
last seen2020-06-01
modified2020-06-02
plugin id27424
published2007-10-17
reporterThis script is Copyright (C) 2007-2019 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/27424
titleopenSUSE 10 Security Update : rubygems (rubygems-2644)
code
#%NASL_MIN_LEVEL 80502

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update rubygems-2644.
#
# The text description of this plugin is (C) SUSE LLC.
#

include("compat.inc");

if (description)
{
  script_id(27424);
  script_version ("1.12");
  script_cvs_date("Date: 2019/10/25 13:36:30");

  script_cve_id("CVE-2007-0469");

  script_name(english:"openSUSE 10 Security Update : rubygems (rubygems-2644)");
  script_summary(english:"Check for the rubygems-2644 patch");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update fixes a vulnerability in rubygems that allowed to
overwrite files with root privileges. (CVE-2007-0469)"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected rubygems package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:rubygems");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:10.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:10.2");

  script_set_attribute(attribute:"patch_publication_date", value:"2007/02/26");
  script_set_attribute(attribute:"plugin_publication_date", value:"2007/10/17");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2007-2019 Tenable Network Security, Inc.");
  script_family(english:"SuSE Local Security Checks");

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

  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);
release = get_kb_item("Host/SuSE/release");
if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE");
if (release !~ "^(SUSE10\.1|SUSE10\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "10.1 / 10.2", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

ourarch = get_kb_item("Host/cpu");
if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);

flag = 0;

if ( rpm_check(release:"SUSE10.1", reference:"rubygems-0.9.2-4.2") ) flag++;
if ( rpm_check(release:"SUSE10.2", reference:"rubygems-0.9.2-4.1") ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "rubygems");
}