Vulnerabilities > CVE-2013-6493 - Information Exposure vulnerability in Redhat Icedtea-Web
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
NONE Availability impact
NONE Summary
The LiveConnect implementation in plugin/icedteanp/IcedTeaNPPlugin.cc in IcedTea-Web before 1.4.2 allows local users to read the messages between a Java applet and a web browser by pre-creating a temporary socket file with a predictable name in /tmp.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Subverting Environment Variable Values The attacker directly or indirectly modifies environment variables used by or controlling the target software. The attacker's goal is to cause the target software to deviate from its expected operation in a manner that benefits the attacker.
- Footprinting An attacker engages in probing and exploration activity to identify constituents and properties of the target. Footprinting is a general term to describe a variety of information gathering techniques, often used by attackers in preparation for some attack. It consists of using tools to learn as much as possible about the composition, configuration, and security mechanisms of the targeted application, system or network. Information that might be collected during a footprinting effort could include open ports, applications and their versions, network topology, and similar information. While footprinting is not intended to be damaging (although certain activities, such as network scans, can sometimes cause disruptions to vulnerable applications inadvertently) it may often pave the way for more damaging attacks.
- Exploiting Trust in Client (aka Make the Client Invisible) An attack of this type exploits a programs' vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by placing themselves in the communication channel between client and server such that communication directly to the server is possible where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.
- Browser Fingerprinting An attacker carefully crafts small snippets of Java Script to efficiently detect the type of browser the potential victim is using. Many web-based attacks need prior knowledge of the web browser including the version of browser to ensure successful exploitation of a vulnerability. Having this knowledge allows an attacker to target the victim with attacks that specifically exploit known or zero day weaknesses in the type and version of the browser used by the victim. Automating this process via Java Script as a part of the same delivery system used to exploit the browser is considered more efficient as the attacker can supply a browser fingerprinting method and integrate it with exploit code, all contained in Java Script and in response to the same web page request by the browser.
- Session Credential Falsification through Prediction This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.
Nessus
NASL family SuSE Local Security Checks NASL id OPENSUSE-2014-176.NASL description icedtea-web was updated to version 1.4.2 (bnc#864364), fixing various bugs and a security issues : - Dialogs center on screen before becoming visible - Support for u45 new manifest attributes (Application-Name) - Custom applet permission policies panel in itweb-settings control panel - Plugin - PR1271: icedtea-web does not handle last seen 2020-06-05 modified 2014-06-13 plugin id 75272 published 2014-06-13 reporter This script is Copyright (C) 2014-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/75272 title openSUSE Security Update : icedtea-web (openSUSE-SU-2014:0310-1) 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 openSUSE-2014-176. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(75272); script_version("1.4"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04"); script_cve_id("CVE-2013-6493"); script_bugtraq_id(65437); script_name(english:"openSUSE Security Update : icedtea-web (openSUSE-SU-2014:0310-1)"); script_summary(english:"Check for the openSUSE-2014-176 patch"); script_set_attribute( attribute:"synopsis", value:"The remote openSUSE host is missing a security update." ); script_set_attribute( attribute:"description", value: "icedtea-web was updated to version 1.4.2 (bnc#864364), fixing various bugs and a security issues : - Dialogs center on screen before becoming visible - Support for u45 new manifest attributes (Application-Name) - Custom applet permission policies panel in itweb-settings control panel - Plugin - PR1271: icedtea-web does not handle 'javascript:'-protocol URLs - RH976833: Multiple applets on one page cause deadlock - Enabled javaconsole - Security Updates - CVE-2013-6493/RH1010958: insecure temporary file use flaw in LiveConnect implementation - Except above also : - Christmas splashscreen extension - fixed classloading deadlocks - cleaned code from warnings - pipes moved to XDG runtime dir - Patches changes : - rebased icedtea-web-1.1-moonlight-symbol-clash.patch - add icedtea-web-1.4.2-mkdir.patch - add icedtea-web-1.4.2-softkiller-link.patch - build with rhino support - use fdupes - run make run-netx-dist-tests in %check on openSUSE > 13.1" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.novell.com/show_bug.cgi?id=864364" ); script_set_attribute( attribute:"see_also", value:"https://lists.opensuse.org/opensuse-updates/2014-02/msg00089.html" ); script_set_attribute( attribute:"solution", value:"Update the affected icedtea-web packages." ); script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N"); 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:novell:opensuse:icedtea-web"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:icedtea-web-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:icedtea-web-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:icedtea-web-javadoc"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:12.3"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:13.1"); script_set_attribute(attribute:"patch_publication_date", value:"2014/02/18"); script_set_attribute(attribute:"plugin_publication_date", value:"2014/06/13"); 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:"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 !~ "^(SUSE12\.3|SUSE13\.1)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "12.3 / 13.1", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); ourarch = get_kb_item("Host/cpu"); if (!ourarch) audit(AUDIT_UNKNOWN_ARCH); if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch); flag = 0; if ( rpm_check(release:"SUSE12.3", reference:"icedtea-web-1.4.2-4.26.1") ) flag++; if ( rpm_check(release:"SUSE12.3", reference:"icedtea-web-debuginfo-1.4.2-4.26.1") ) flag++; if ( rpm_check(release:"SUSE12.3", reference:"icedtea-web-debugsource-1.4.2-4.26.1") ) flag++; if ( rpm_check(release:"SUSE12.3", reference:"icedtea-web-javadoc-1.4.2-4.26.1") ) flag++; if ( rpm_check(release:"SUSE13.1", reference:"icedtea-web-1.4.2-4.1") ) flag++; if ( rpm_check(release:"SUSE13.1", reference:"icedtea-web-debuginfo-1.4.2-4.1") ) flag++; if ( rpm_check(release:"SUSE13.1", reference:"icedtea-web-debugsource-1.4.2-4.1") ) flag++; if ( rpm_check(release:"SUSE13.1", reference:"icedtea-web-javadoc-1.4.2-4.1") ) flag++; if (flag) { if (report_verbosity > 0) security_note(port:0, extra:rpm_report_get()); else security_note(0); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "icedtea-web"); }NASL family SuSE Local Security Checks NASL id SUSE_11_ICEDTEA-WEB-140304.NASL description The OpenJDK Java Plugin IcedTea Web was released to fix a temporary file access problem. Changes : - Dialogs center on screen before becoming visible. - Support for u45 new manifest attributes (Application-Name). - Custom applet permission policies panel in itweb-settings control panel. - Plugin fixes : - PR1271: icedtea-web does not handle last seen 2020-06-05 modified 2014-03-20 plugin id 73117 published 2014-03-20 reporter This script is Copyright (C) 2014-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/73117 title SuSE 11.3 Security Update : icedtea-web (SAT Patch Number 8974) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from SuSE 11 update information. The text itself is # copyright (C) Novell, Inc. # include("compat.inc"); if (description) { script_id(73117); script_version("1.2"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04"); script_cve_id("CVE-2013-6493"); script_name(english:"SuSE 11.3 Security Update : icedtea-web (SAT Patch Number 8974)"); script_summary(english:"Checks rpm output for the updated package"); script_set_attribute( attribute:"synopsis", value:"The remote SuSE 11 host is missing a security update." ); script_set_attribute( attribute:"description", value: "The OpenJDK Java Plugin IcedTea Web was released to fix a temporary file access problem. Changes : - Dialogs center on screen before becoming visible. - Support for u45 new manifest attributes (Application-Name). - Custom applet permission policies panel in itweb-settings control panel. - Plugin fixes : - PR1271: icedtea-web does not handle 'javascript:'-protocol URLs - RH976833: Multiple applets on one page cause deadlock - Enabled javaconsole. - Security fixes : - CVE-2013-6493/RH1010958: Insecure temporary file use flaw in LiveConnect implementation. - Additional fixes and changes : - Christmas splashscreen extension - Fixed classloading deadlocks - Cleaned code from warnings - Pipes moved to XDG runtime dir." ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.novell.com/show_bug.cgi?id=864364" ); script_set_attribute( attribute:"see_also", value:"http://support.novell.com/security/cve/CVE-2013-6493.html" ); script_set_attribute(attribute:"solution", value:"Apply SAT patch number 8974."); 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:novell:suse_linux:11:icedtea-web"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11"); script_set_attribute(attribute:"patch_publication_date", value:"2014/03/04"); script_set_attribute(attribute:"plugin_publication_date", value:"2014/03/20"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2014-2020 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/cpu", "Host/SuSE/release", "Host/SuSE/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/SuSE/release"); if (isnull(release) || release !~ "^(SLED|SLES)11") audit(AUDIT_OS_NOT, "SuSE 11"); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SuSE 11", cpu); pl = get_kb_item("Host/SuSE/patchlevel"); if (isnull(pl) || int(pl) != 3) audit(AUDIT_OS_NOT, "SuSE 11.3"); flag = 0; if (rpm_check(release:"SLED11", sp:3, cpu:"i586", reference:"icedtea-web-1.4.2-0.7.1")) flag++; if (rpm_check(release:"SLED11", sp:3, cpu:"x86_64", reference:"icedtea-web-1.4.2-0.7.1")) flag++; if (flag) { if (report_verbosity > 0) security_note(port:0, extra:rpm_report_get()); else security_note(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-2131-1.NASL description Michael Scherer discovered that IcedTea Web created temporary directories in an unsafe fashion. A local attacker could possibly use this issue to obtain or modify sensitive information from other local user sessions. 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 seen 2020-03-18 modified 2014-03-07 plugin id 72875 published 2014-03-07 reporter Ubuntu Security Notice (C) 2014-2020 Canonical, Inc. / NASL script (C) 2014-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/72875 title Ubuntu 12.04 LTS / 12.10 / 13.10 : icedtea-web vulnerability (USN-2131-1) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Ubuntu Security Notice USN-2131-1. 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(72875); script_version("1.6"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12"); script_cve_id("CVE-2013-6493"); script_bugtraq_id(65437); script_xref(name:"USN", value:"2131-1"); script_name(english:"Ubuntu 12.04 LTS / 12.10 / 13.10 : icedtea-web vulnerability (USN-2131-1)"); script_summary(english:"Checks dpkg output for updated packages."); script_set_attribute( attribute:"synopsis", value: "The remote Ubuntu host is missing one or more security-related patches." ); script_set_attribute( attribute:"description", value: "Michael Scherer discovered that IcedTea Web created temporary directories in an unsafe fashion. A local attacker could possibly use this issue to obtain or modify sensitive information from other local user sessions. 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/2131-1/" ); script_set_attribute( attribute:"solution", value: "Update the affected icedtea-6-plugin and / or icedtea-7-plugin packages." ); script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N"); 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:canonical:ubuntu_linux:icedtea-6-plugin"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:icedtea-7-plugin"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:12.04:-:lts"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:12.10"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:13.10"); script_set_attribute(attribute:"vuln_publication_date", value:"2014/03/03"); script_set_attribute(attribute:"patch_publication_date", value:"2014/03/06"); script_set_attribute(attribute:"plugin_publication_date", value:"2014/03/07"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"Ubuntu Security Notice (C) 2014-2020 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|12\.10|13\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 12.04 / 12.10 / 13.10", "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:"icedtea-6-plugin", pkgver:"1.2.3-0ubuntu0.12.04.4")) flag++; if (ubuntu_check(osver:"12.04", pkgname:"icedtea-7-plugin", pkgver:"1.2.3-0ubuntu0.12.04.4")) flag++; if (ubuntu_check(osver:"12.10", pkgname:"icedtea-6-plugin", pkgver:"1.3.2-1ubuntu0.12.10.3")) flag++; if (ubuntu_check(osver:"12.10", pkgname:"icedtea-7-plugin", pkgver:"1.3.2-1ubuntu0.12.10.3")) flag++; if (ubuntu_check(osver:"13.10", pkgname:"icedtea-6-plugin", pkgver:"1.4-3ubuntu2.1")) flag++; if (ubuntu_check(osver:"13.10", pkgname:"icedtea-7-plugin", pkgver:"1.4-3ubuntu2.1")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_NOTE, 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, "icedtea-6-plugin / icedtea-7-plugin"); }
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References
- http://icedtea.classpath.org/hg/icedtea-web/rev/228e3652214a
- http://lists.opensuse.org/opensuse-updates/2014-02/msg00089.html
- http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2014-February/026192.html
- http://seclists.org/oss-sec/2014/q1/282
- http://secunia.com/advisories/57036
- http://www.ubuntu.com/usn/USN-2131-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1010958