CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS
Percentile
5.1%
An updated ruby package that fixes insecure file permissions for CGI session files is now available.
Ruby is an interpreted scripting language for object-oriented programming.
Andres Salomon reported an insecure file permissions flaw in the CGI session management of Ruby. FileStore created world readable files that could allow a malicious local user the ability to read CGI session data. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CVE-2004-0755 to this issue.
Users are advised to upgrade to this erratum package, which contains a backported patch to CGI::Session FileStore.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2004:441. The text
# itself is copyright (C) Red Hat, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(15412);
script_version("1.27");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");
script_cve_id("CVE-2004-0755");
script_xref(name:"RHSA", value:"2004:441");
script_name(english:"RHEL 2.1 / 3 : ruby (RHSA-2004:441)");
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:
"An updated ruby package that fixes insecure file permissions for CGI
session files is now available.
Ruby is an interpreted scripting language for object-oriented
programming.
Andres Salomon reported an insecure file permissions flaw in the CGI
session management of Ruby. FileStore created world readable files
that could allow a malicious local user the ability to read CGI
session data. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CVE-2004-0755 to this issue.
Users are advised to upgrade to this erratum package, which contains a
backported patch to CGI::Session FileStore."
);
script_set_attribute(
attribute:"see_also",
value:"https://access.redhat.com/security/cve/cve-2004-0755"
);
script_set_attribute(
attribute:"see_also",
value:"https://access.redhat.com/errata/RHSA-2004:441"
);
script_set_attribute(attribute:"solution", value:"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:irb");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ruby");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ruby-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ruby-docs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ruby-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ruby-mode");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:ruby-tcltk");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:2.1");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:3");
script_set_attribute(attribute:"vuln_publication_date", value:"2004/10/20");
script_set_attribute(attribute:"patch_publication_date", value:"2004/09/30");
script_set_attribute(attribute:"plugin_publication_date", value:"2004/10/02");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2004-2021 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|3)([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 2.1 / 3.x", "Red Hat " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "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-2004:441";
yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
if (!empty_or_null(yum_report))
{
security_report_v4(
port : 0,
severity : SECURITY_NOTE,
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:"irb-1.6.4-2.AS21.0")) flag++;
if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"ruby-1.6.4-2.AS21.0")) flag++;
if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"ruby-devel-1.6.4-2.AS21.0")) flag++;
if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"ruby-docs-1.6.4-2.AS21.0")) flag++;
if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"ruby-libs-1.6.4-2.AS21.0")) flag++;
if (rpm_check(release:"RHEL2.1", cpu:"i386", reference:"ruby-tcltk-1.6.4-2.AS21.0")) flag++;
if (rpm_check(release:"RHEL3", reference:"ruby-1.6.8-9.EL3.2")) flag++;
if (rpm_check(release:"RHEL3", reference:"ruby-devel-1.6.8-9.EL3.2")) flag++;
if (rpm_check(release:"RHEL3", reference:"ruby-libs-1.6.8-9.EL3.2")) flag++;
if (rpm_check(release:"RHEL3", reference:"ruby-mode-1.6.8-9.EL3.2")) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_NOTE,
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, "irb / ruby / ruby-devel / ruby-docs / ruby-libs / ruby-mode / etc");
}
}