Vulnerabilities > CVE-2014-9378 - Improper Input Validation vulnerability in Ettercap-Project Ettercap 0.8.1

047910
CVSS 7.5 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
network
low complexity
ettercap-project
CWE-20
nessus

Summary

Ettercap 0.8.1 does not validate certain return values, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted (1) name to the parse_line function in mdns_spoof/mdns_spoof.c or (2) base64 encoded password to the dissector_imap function in dissectors/ec_imap.c.

Vulnerable Configurations

Part Description Count
Application
Ettercap-Project
1

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Buffer Overflow via Environment Variables
    This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
  • Server Side Include (SSI) Injection
    An attacker can use Server Side Include (SSI) Injection to send code to a web application that then gets executed by the web server. Doing so enables the attacker to achieve similar results to Cross Site Scripting, viz., arbitrary code execution and information disclosure, albeit on a more limited scale, since the SSI directives are nowhere near as powerful as a full-fledged scripting language. Nonetheless, the attacker can conveniently gain access to sensitive files, such as password files, and execute shell commands.
  • Cross Zone Scripting
    An attacker is able to cause a victim to load content into their web-browser that bypasses security zone controls and gain access to increased privileges to execute scripting code or other web objects such as unsigned ActiveX controls or applets. This is a privilege elevation attack targeted at zone-based web-browser security. In a zone-based model, pages belong to one of a set of zones corresponding to the level of privilege assigned to that page. Pages in an untrusted zone would have a lesser level of access to the system and/or be restricted in the types of executable content it was allowed to invoke. In a cross-zone scripting attack, a page that should be assigned to a less privileged zone is granted the privileges of a more trusted zone. This can be accomplished by exploiting bugs in the browser, exploiting incorrect configuration in the zone controls, through a cross-site scripting attack that causes the attackers' content to be treated as coming from a more trusted page, or by leveraging some piece of system functionality that is accessible from both the trusted and less trusted zone. This attack differs from "Restful Privilege Escalation" in that the latter correlates to the inadequate securing of RESTful access methods (such as HTTP DELETE) on the server, while cross-zone scripting attacks the concept of security zones as implemented by a browser.
  • Cross Site Scripting through Log Files
    An attacker may leverage a system weakness where logs are susceptible to log injection to insert scripts into the system's logs. If these logs are later viewed by an administrator through a thin administrative interface and the log data is not properly HTML encoded before being written to the page, the attackers' scripts stored in the log will be executed in the administrative interface with potentially serious consequences. This attack pattern is really a combination of two other attack patterns: log injection and stored cross site scripting.
  • Command Line Execution through SQL Injection
    An attacker uses standard SQL injection methods to inject data into the command line for execution. This could be done directly through misuse of directives such as MSSQL_xp_cmdshell or indirectly through injection of data into the database that would be interpreted as shell commands. Sometime later, an unscrupulous backend application (or could be part of the functionality of the same application) fetches the injected data stored in the database and uses this data as command line arguments without performing proper validation. The malicious data escapes that data plane by spawning new commands to be executed on the host.

Nessus

  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2015-4020.NASL
    description0.8.2-Ferri Bug Fix !! Fixed some openssl deprecated functions usage !! Fixed log file ownership !! Fixed mixed output print !! Fixed drop_privs function usage !! Fixed nopromisc option usage. !! Fixed missing break in parser code. !! Improved redirect commands !! Fix truncated VLAN packet headers !! Fix ettercap.rc file (windows only) !! Various cmake fixes !! A ton of BSD bug fixes !! Simplify macosx cmake files !! Fix incorrect sequence number after TCP injection !! Fix pcap length, and aligment problems with libpcap !! Bug fixes and gtk code refactor (gtk box wrapper) !! Fix some ipv6 send issues !! Fixed sleep time on Windows (high CPU usage) !! Fixed many CVE vulnerabilities (some of them already fixed in 0.8.1) - CVE-2014-6395 (Length Parameter Inconsistency) - CVE-2014-6396 (Arbitrary write) - CVE-2014-9376 (Negative index/underflow) - CVE-2014-9377 (Heap overflow) - CVE-2014-9378 (Unchecked return value) - CVE-2014-9379 (Incorrect cast) - CVE-2014-9380 (Buffer over-read) - CVE-2014-9381 (Signedness error) New Features + Updated etter.finger.mac + Add TXT and ANY query support on dns_spoof + New macosx travis-ci build! + Enable again PDF generation Removed - Remove gprof support 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.
    last seen2020-06-05
    modified2015-03-27
    plugin id82281
    published2015-03-27
    reporterThis script is Copyright (C) 2015-2020 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/82281
    titleFedora 20 : ettercap-0.8.2-1.fc20 (2015-4020)
    code
    #%NASL_MIN_LEVEL 80502
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were  
    # extracted from Fedora Security Advisory 2015-4020.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(82281);
      script_version("1.4");
      script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04");
    
      script_bugtraq_id(71689, 71690, 71691, 71693, 71695, 71696, 71697, 71698);
      script_xref(name:"FEDORA", value:"2015-4020");
    
      script_name(english:"Fedora 20 : ettercap-0.8.2-1.fc20 (2015-4020)");
      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:
    "0.8.2-Ferri
    
    Bug Fix !! Fixed some openssl deprecated functions usage !! Fixed log
    file ownership !! Fixed mixed output print !! Fixed drop_privs
    function usage !! Fixed nopromisc option usage. !! Fixed missing break
    in parser code. !! Improved redirect commands !! Fix truncated VLAN
    packet headers !! Fix ettercap.rc file (windows only) !! Various cmake
    fixes !! A ton of BSD bug fixes !! Simplify macosx cmake files !! Fix
    incorrect sequence number after TCP injection !! Fix pcap length, and
    aligment problems with libpcap !! Bug fixes and gtk code refactor (gtk
    box wrapper) !! Fix some ipv6 send issues !! Fixed sleep time on
    Windows (high CPU usage) !! Fixed many CVE vulnerabilities (some of
    them already fixed in 0.8.1)
    
      - CVE-2014-6395 (Length Parameter Inconsistency)
    
        - CVE-2014-6396 (Arbitrary write)
    
        - CVE-2014-9376 (Negative index/underflow)
    
        - CVE-2014-9377 (Heap overflow)
    
        - CVE-2014-9378 (Unchecked return value)
    
        - CVE-2014-9379 (Incorrect cast)
    
        - CVE-2014-9380 (Buffer over-read)
    
        - CVE-2014-9381 (Signedness error)
    
          New Features + Updated etter.finger.mac + Add TXT and
          ANY query support on dns_spoof + New macosx travis-ci
          build! + Enable again PDF generation
    
          Removed
    
      - Remove gprof support
    
    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."
      );
      # https://lists.fedoraproject.org/pipermail/package-announce/2015-March/152866.html
      script_set_attribute(
        attribute:"see_also",
        value:"http://www.nessus.org/u?d3d744ed"
      );
      script_set_attribute(
        attribute:"solution", 
        value:"Update the affected ettercap package."
      );
      script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
      script_set_cvss_temporal_vector("CVSS2#E:ND/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:fedoraproject:fedora:ettercap");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:20");
    
      script_set_attribute(attribute:"patch_publication_date", value:"2015/03/16");
      script_set_attribute(attribute:"plugin_publication_date", value:"2015/03/27");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"This script is Copyright (C) 2015-2020 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:"^20([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 20.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:"FC20", reference:"ettercap-0.8.2-1.fc20")) 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, "ettercap");
    }
    
  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2015-4009.NASL
    description0.8.2-Ferri Bug Fix !! Fixed some openssl deprecated functions usage !! Fixed log file ownership !! Fixed mixed output print !! Fixed drop_privs function usage !! Fixed nopromisc option usage. !! Fixed missing break in parser code. !! Improved redirect commands !! Fix truncated VLAN packet headers !! Fix ettercap.rc file (windows only) !! Various cmake fixes !! A ton of BSD bug fixes !! Simplify macosx cmake files !! Fix incorrect sequence number after TCP injection !! Fix pcap length, and aligment problems with libpcap !! Bug fixes and gtk code refactor (gtk box wrapper) !! Fix some ipv6 send issues !! Fixed sleep time on Windows (high CPU usage) !! Fixed many CVE vulnerabilities (some of them already fixed in 0.8.1) - CVE-2014-6395 (Length Parameter Inconsistency) - CVE-2014-6396 (Arbitrary write) - CVE-2014-9376 (Negative index/underflow) - CVE-2014-9377 (Heap overflow) - CVE-2014-9378 (Unchecked return value) - CVE-2014-9379 (Incorrect cast) - CVE-2014-9380 (Buffer over-read) - CVE-2014-9381 (Signedness error) New Features + Updated etter.finger.mac + Add TXT and ANY query support on dns_spoof + New macosx travis-ci build! + Enable again PDF generation Removed - Remove gprof support 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.
    last seen2020-06-05
    modified2015-03-23
    plugin id81990
    published2015-03-23
    reporterThis script is Copyright (C) 2015-2020 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/81990
    titleFedora 22 : ettercap-0.8.2-1.fc22 (2015-4009)
  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2014-17210.NASL
    descriptionFix for multiple CVEs. https://www.obrela.com/home/security-labs/advisories/osi-advisory-osi- 1402/ 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.
    last seen2020-03-17
    modified2015-01-05
    plugin id80342
    published2015-01-05
    reporterThis script is Copyright (C) 2015-2020 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/80342
    titleFedora 19 : ettercap-0.8.1-2.fc19 (2014-17210)
  • NASL familyGentoo Local Security Checks
    NASL idGENTOO_GLSA-201505-01.NASL
    descriptionThe remote host is affected by the vulnerability described in GLSA-201505-01 (Ettercap: Multiple vulnerabilities) Multiple vulnerabilities have been discovered in Ettercap. Please review the CVE identifiers referenced below for details. Impact : A remote attacker could possibly execute arbitrary code with the privileges of the process or cause a Denial of Service condition. Workaround : There is no known workaround at this time.
    last seen2020-06-01
    modified2020-06-02
    plugin id83443
    published2015-05-14
    reporterThis script is Copyright (C) 2015 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/83443
    titleGLSA-201505-01 : Ettercap: Multiple vulnerabilities
  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2015-3984.NASL
    description0.8.2-Ferri Bug Fix !! Fixed some openssl deprecated functions usage !! Fixed log file ownership !! Fixed mixed output print !! Fixed drop_privs function usage !! Fixed nopromisc option usage. !! Fixed missing break in parser code. !! Improved redirect commands !! Fix truncated VLAN packet headers !! Fix ettercap.rc file (windows only) !! Various cmake fixes !! A ton of BSD bug fixes !! Simplify macosx cmake files !! Fix incorrect sequence number after TCP injection !! Fix pcap length, and aligment problems with libpcap !! Bug fixes and gtk code refactor (gtk box wrapper) !! Fix some ipv6 send issues !! Fixed sleep time on Windows (high CPU usage) !! Fixed many CVE vulnerabilities (some of them already fixed in 0.8.1) - CVE-2014-6395 (Length Parameter Inconsistency) - CVE-2014-6396 (Arbitrary write) - CVE-2014-9376 (Negative index/underflow) - CVE-2014-9377 (Heap overflow) - CVE-2014-9378 (Unchecked return value) - CVE-2014-9379 (Incorrect cast) - CVE-2014-9380 (Buffer over-read) - CVE-2014-9381 (Signedness error) New Features + Updated etter.finger.mac + Add TXT and ANY query support on dns_spoof + New macosx travis-ci build! + Enable again PDF generation Removed - Remove gprof support 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.
    last seen2020-06-05
    modified2015-03-27
    plugin id82280
    published2015-03-27
    reporterThis script is Copyright (C) 2015-2020 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/82280
    titleFedora 21 : ettercap-0.8.2-1.fc21 (2015-3984)
  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2014-17107.NASL
    descriptionFix for multiple CVEs. https://www.obrela.com/home/security-labs/advisories/osi-advisory-osi- 1402/ 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.
    last seen2020-03-17
    modified2015-01-05
    plugin id80341
    published2015-01-05
    reporterThis script is Copyright (C) 2015-2020 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/80341
    titleFedora 20 : ettercap-0.8.1-2.fc20 (2014-17107)
  • NASL familyFedora Local Security Checks
    NASL idFEDORA_2014-17090.NASL
    descriptionFix for multiple CVEs. https://www.obrela.com/home/security-labs/advisories/osi-advisory-osi- 1402/ 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.
    last seen2020-03-17
    modified2015-01-05
    plugin id80340
    published2015-01-05
    reporterThis script is Copyright (C) 2015-2020 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/80340
    titleFedora 21 : ettercap-0.8.1-2.fc21 (2014-17090)

Packetstorm

data sourcehttps://packetstormsecurity.com/files/download/129673/ettercap080-dos.txt
idPACKETSTORM:129673
last seen2016-12-05
published2014-12-20
reporterNick Sampanis
sourcehttps://packetstormsecurity.com/files/129673/Ettercap-0.8.0-0.8.1-Denial-Of-Service.html
titleEttercap 0.8.0 / 0.8.1 Denial Of Service