CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
EPSS
Percentile
5.1%
privilege escalation via mountpoint race conditions (CVE-2011-1831, CVE-2011-1832)
race condition when checking source during mount (CVE-2011-1833)
mtab corruption via improper handling (CVE-2011-1834)
key poisoning via insecure temp directory handling (CVE-2011-1835)
information disclosure via recovery mount in /tmp (CVE-2011-1836)
arbitrary file overwrite via lock counter race (CVE-2011-1837)
improve logging messages of ecryptfs pam module
keep own copy of passphrase, pam clears it too early
keyring from auth stack does not survive, use pam_data and delayed keyring initialization
keyring from auth stack does not survive, use pam_data and delayed keyring initialization
keyring from auth stack does not survive, use pam_data and delayed keyring initialization
improve logging messages of ecryptfs pam module
keep own copy of passphrase, pam clears it too early
keyring from auth stack does not survive, use pam_data and delayed keyring initialization
keyring from auth stack does not survive, use pam_data and delayed keyring initialization
keyring from auth stack does not survive, use pam_data and delayed keyring initialization
improve logging messages of ecryptfs pam module
keep own copy of passphrase, pam clears it too early
keyring from auth stack does not survive, use pam_data and delayed keyring initialization
keyring from auth stack does not survive, use pam_data and delayed keyring initialization
keyring from auth stack does not survive, use pam_data and delayed keyring initialization
Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Fedora Security Advisory 2011-10718.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(56075);
script_version("1.11");
script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");
script_cve_id("CVE-2011-1831", "CVE-2011-1832", "CVE-2011-1834", "CVE-2011-1835", "CVE-2011-1837");
script_xref(name:"FEDORA", value:"2011-10718");
script_name(english:"Fedora 14 : ecryptfs-utils-90-1.fc14 (2011-10718)");
script_summary(english:"Checks rpm output for the updated package.");
script_set_attribute(
attribute:"synopsis",
value:"The remote Fedora host is missing a security update."
);
script_set_attribute(
attribute:"description",
value:
" - privilege escalation via mountpoint race conditions
(CVE-2011-1831, CVE-2011-1832)
- race condition when checking source during mount
(CVE-2011-1833)
- mtab corruption via improper handling (CVE-2011-1834)
- key poisoning via insecure temp directory handling
(CVE-2011-1835)
- information disclosure via recovery mount in /tmp
(CVE-2011-1836)
- arbitrary file overwrite via lock counter race
(CVE-2011-1837)
- improve logging messages of ecryptfs pam module
- keep own copy of passphrase, pam clears it too early
- keyring from auth stack does not survive, use pam_data
and delayed keyring initialization
- keyring from auth stack does not survive, use pam_data
and delayed keyring initialization
- keyring from auth stack does not survive, use pam_data
and delayed keyring initialization
- improve logging messages of ecryptfs pam module
- keep own copy of passphrase, pam clears it too early
- keyring from auth stack does not survive, use pam_data
and delayed keyring initialization
- keyring from auth stack does not survive, use pam_data
and delayed keyring initialization
- keyring from auth stack does not survive, use pam_data
and delayed keyring initialization
- improve logging messages of ecryptfs pam module
- keep own copy of passphrase, pam clears it too early
- keyring from auth stack does not survive, use pam_data
and delayed keyring initialization
- keyring from auth stack does not survive, use pam_data
and delayed keyring initialization
- keyring from auth stack does not survive, use pam_data
and delayed keyring initialization
Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
);
script_set_attribute(
attribute:"see_also",
value:"https://bugzilla.redhat.com/show_bug.cgi?id=729465"
);
# https://lists.fedoraproject.org/pipermail/package-announce/2011-September/065061.html
script_set_attribute(
attribute:"see_also",
value:"http://www.nessus.org/u?17111c06"
);
script_set_attribute(
attribute:"solution",
value:"Update the affected ecryptfs-utils package."
);
script_set_cvss_base_vector("CVSS2#AV:L/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:fedoraproject:fedora:ecryptfs-utils");
script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:14");
script_set_attribute(attribute:"patch_publication_date", value:"2011/08/12");
script_set_attribute(attribute:"plugin_publication_date", value:"2011/09/06");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2011-2021 Tenable Network Security, Inc.");
script_family(english:"Fedora Local Security Checks");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/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);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = eregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! ereg(pattern:"^14([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 14.x", "Fedora " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);
flag = 0;
if (rpm_check(release:"FC14", reference:"ecryptfs-utils-90-1.fc14")) flag++;
if (flag)
{
if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
else security_warning(0);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "ecryptfs-utils");
}
Vendor | Product | Version | CPE |
---|---|---|---|
fedoraproject | fedora | ecryptfs-utils | p-cpe:/a:fedoraproject:fedora:ecryptfs-utils |
fedoraproject | fedora | 14 | cpe:/o:fedoraproject:fedora:14 |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1831
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1832
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1834
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1835
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1837
www.nessus.org/u?17111c06
bugzilla.redhat.com/show_bug.cgi?id=729465