Vulnerabilities > CVE-2014-1419 - Race Condition vulnerability in Canonical Acpi-Support and Ubuntu Linux

047910
CVSS 6.9 - MEDIUM
Attack vector
LOCAL
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
local
canonical
CWE-362
nessus

Summary

Race condition in the power policy functions in policy-funcs in acpi-support before 0.142 allows local users to gain privileges via unspecified vectors.

Vulnerable Configurations

Part Description Count
Application
Canonical
1
OS
Canonical
1

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Leveraging Race Conditions
    This attack targets a race condition occurring when multiple processes access and manipulate the same resource concurrently and the outcome of the execution depends on the particular order in which the access takes place. The attacker can leverage a race condition by "running the race", modifying the resource and modifying the normal execution flow. For instance a race condition can occur while accessing a file, the attacker can trick the system by replacing the original file with his version and cause the system to read the malicious file.
  • Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions
    This attack targets a race condition occurring between the time of check (state) for a resource and the time of use of a resource. The typical example is the file access. The attacker can leverage a file access race condition by "running the race", meaning that he would modify the resource between the first time the target program accesses the file and the time the target program uses the file. During that period of time, the attacker could do something such as replace the file and cause an escalation of privilege.

Nessus

  • NASL familyDebian Local Security Checks
    NASL idDEBIAN_DLA-30.NASL
    descriptionCESG discovered a race condition in acpi-support which may allow an unprivileged user to execute arbitrary code as a different user, including root. NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-03-17
    modified2015-03-26
    plugin id82178
    published2015-03-26
    reporterThis script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/82178
    titleDebian DLA-30-1 : acpi-support security update
    code
    #%NASL_MIN_LEVEL 80502
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were
    # extracted from Debian Security Advisory DLA-30-1. The text
    # itself is copyright (C) Software in the Public Interest, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(82178);
      script_version("1.4");
      script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12");
    
      script_cve_id("CVE-2014-1419");
      script_bugtraq_id(68827);
    
      script_name(english:"Debian DLA-30-1 : acpi-support security update");
      script_summary(english:"Checks dpkg output for the updated packages.");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote Debian host is missing a security update."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "CESG discovered a race condition in acpi-support which may allow an
    unprivileged user to execute arbitrary code as a different user,
    including root.
    
    NOTE: Tenable Network Security has extracted the preceding description
    block directly from the DLA 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://lists.debian.org/debian-lts-announce/2014/08/msg00003.html"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://packages.debian.org/source/squeeze-lts/acpi-support"
      );
      script_set_attribute(attribute:"solution", value:"Upgrade the affected packages.");
      script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
      script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
      script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
      script_set_attribute(attribute:"exploit_available", value:"false");
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:acpi-fakekey");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:acpi-support");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:acpi-support-base");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:6.0");
    
      script_set_attribute(attribute:"patch_publication_date", value:"2014/08/05");
      script_set_attribute(attribute:"plugin_publication_date", value:"2015/03/26");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"This script is Copyright (C) 2015-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
      script_family(english:"Debian Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
    
      exit(0);
    }
    
    
    include("audit.inc");
    include("debian_package.inc");
    
    
    if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
    if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
    if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
    
    
    flag = 0;
    if (deb_check(release:"6.0", prefix:"acpi-fakekey", reference:"0.137-5+deb6u1")) flag++;
    if (deb_check(release:"6.0", prefix:"acpi-support", reference:"0.137-5+deb6u1")) flag++;
    if (deb_check(release:"6.0", prefix:"acpi-support-base", reference:"0.137-5+deb6u1")) flag++;
    
    if (flag)
    {
      if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
      else security_warning(0);
      exit(0);
    }
    else audit(AUDIT_HOST_NOT, "affected");
    
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-2297-1.NASL
    descriptionCESG discovered that acpi-support incorrectly handled certain privileged operations when checking for power management daemons. A local attacker could use this flaw to execute arbitrary code and elevate privileges to root. Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
    last seen2020-06-01
    modified2020-06-02
    plugin id76707
    published2014-07-23
    reporterUbuntu Security Notice (C) 2014-2019 Canonical, Inc. / NASL script (C) 2014-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/76707
    titleUbuntu 12.04 LTS : acpi-support vulnerability (USN-2297-1)
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were
    # extracted from Ubuntu Security Notice USN-2297-1. The text 
    # itself is copyright (C) Canonical, Inc. See 
    # <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
    # trademark of Canonical, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(76707);
      script_version("1.5");
      script_cvs_date("Date: 2019/09/19 12:54:30");
    
      script_cve_id("CVE-2014-1419");
      script_xref(name:"USN", value:"2297-1");
    
      script_name(english:"Ubuntu 12.04 LTS : acpi-support vulnerability (USN-2297-1)");
      script_summary(english:"Checks dpkg output for updated package.");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote Ubuntu host is missing a security-related patch."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "CESG discovered that acpi-support incorrectly handled certain
    privileged operations when checking for power management daemons. A
    local attacker could use this flaw to execute arbitrary code and
    elevate privileges to root.
    
    Note that Tenable Network Security has extracted the preceding
    description block directly from the Ubuntu 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://usn.ubuntu.com/2297-1/"
      );
      script_set_attribute(
        attribute:"solution", 
        value:"Update the affected acpi-support package."
      );
      script_set_cvss_base_vector("CVSS2#AV:L/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:canonical:ubuntu_linux:acpi-support");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:12.04:-:lts");
    
      script_set_attribute(attribute:"vuln_publication_date", value:"2014/07/24");
      script_set_attribute(attribute:"patch_publication_date", value:"2014/07/22");
      script_set_attribute(attribute:"plugin_publication_date", value:"2014/07/23");
      script_set_attribute(attribute:"generated_plugin", value:"current");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"Ubuntu Security Notice (C) 2014-2019 Canonical, Inc. / NASL script (C) 2014-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
      script_family(english:"Ubuntu Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");
    
      exit(0);
    }
    
    
    include("audit.inc");
    include("ubuntu.inc");
    include("misc_func.inc");
    
    if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
    release = get_kb_item("Host/Ubuntu/release");
    if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
    release = chomp(release);
    if (! preg(pattern:"^(12\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 12.04", "Ubuntu " + release);
    if ( ! get_kb_item("Host/Debian/dpkg-l") ) 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, "Ubuntu", cpu);
    
    flag = 0;
    
    if (ubuntu_check(osver:"12.04", pkgname:"acpi-support", pkgver:"0.140.2")) flag++;
    
    if (flag)
    {
      security_report_v4(
        port       : 0,
        severity   : SECURITY_WARNING,
        extra      : ubuntu_report_get()
      );
      exit(0);
    }
    else
    {
      tested = ubuntu_pkg_tests_get();
      if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
      else audit(AUDIT_PACKAGE_NOT_INSTALLED, "acpi-support");
    }
    
  • NASL familyDebian Local Security Checks
    NASL idDEBIAN_DSA-2984.NASL
    descriptionCESG discovered a root escalation flaw in the acpi-support package. An unprivileged user can inject the DBUS_SESSION_BUS_ADDRESS environment variable to run arbitrary commands as root user via the policy-funcs script.
    last seen2020-03-17
    modified2014-07-24
    plugin id76717
    published2014-07-24
    reporterThis script is Copyright (C) 2014-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/76717
    titleDebian DSA-2984-1 : acpi-support - security update
    code
    #%NASL_MIN_LEVEL 80502
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were  
    # extracted from Debian Security Advisory DSA-2984. The text 
    # itself is copyright (C) Software in the Public Interest, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(76717);
      script_version("1.7");
      script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12");
    
      script_cve_id("CVE-2014-1419");
      script_bugtraq_id(68827);
      script_xref(name:"DSA", value:"2984");
    
      script_name(english:"Debian DSA-2984-1 : acpi-support - security update");
      script_summary(english:"Checks dpkg output for the updated package");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote Debian host is missing a security-related update."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "CESG discovered a root escalation flaw in the acpi-support package. An
    unprivileged user can inject the DBUS_SESSION_BUS_ADDRESS environment
    variable to run arbitrary commands as root user via the policy-funcs
    script."
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://packages.debian.org/source/wheezy/acpi-support"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://www.debian.org/security/2014/dsa-2984"
      );
      script_set_attribute(
        attribute:"solution", 
        value:
    "Upgrade the acpi-support packages.
    
    For the stable distribution (wheezy), this problem has been fixed in
    version 0.140-5+deb7u1."
      );
      script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
      script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
      script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
      script_set_attribute(attribute:"exploit_available", value:"false");
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:acpi-support");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:7.0");
    
      script_set_attribute(attribute:"patch_publication_date", value:"2014/07/22");
      script_set_attribute(attribute:"plugin_publication_date", value:"2014/07/24");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"This script is Copyright (C) 2014-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
      script_family(english:"Debian Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
    
      exit(0);
    }
    
    
    include("audit.inc");
    include("debian_package.inc");
    
    
    if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
    if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
    if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
    
    
    flag = 0;
    if (deb_check(release:"7.0", prefix:"acpi-fakekey", reference:"0.140-5+deb7u1")) flag++;
    if (deb_check(release:"7.0", prefix:"acpi-support", reference:"0.140-5+deb7u1")) flag++;
    if (deb_check(release:"7.0", prefix:"acpi-support-base", reference:"0.140-5+deb7u1")) flag++;
    
    if (flag)
    {
      if (report_verbosity > 0) security_warning(port:0, extra:deb_report_get());
      else security_warning(0);
      exit(0);
    }
    else audit(AUDIT_HOST_NOT, "affected");