Vulnerabilities > CVE-2011-3635 - Cross-Site Scripting vulnerability in Gnome Empathy
Attack vector
NETWORK Attack complexity
MEDIUM Privileges required
NONE Confidentiality impact
NONE Integrity impact
PARTIAL Availability impact
NONE Summary
Cross-site scripting (XSS) vulnerability in the theme_adium_append_message function in empathy-theme-adium.c in the Adium theme in libempathy-gtk in Empathy 3.2.1 and earlier allows remote attackers to inject arbitrary web script or HTML via a crafted alias (aka nickname).
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- 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.
- Embedding Scripts in Non-Script Elements This attack is a form of Cross-Site Scripting (XSS) where malicious scripts are embedded in elements that are not expected to host scripts such as image tags (<img>), comments in XML documents (< !-CDATA->), etc. These tags may not be subject to the same input validation, output validation, and other content filtering and checking routines, so this can create an opportunity for an attacker to tunnel through the application's elements and launch a XSS attack through other elements. As with all remote attacks, it is important to differentiate the ability to launch an attack (such as probing an internal network for unpatched servers) and the ability of the remote attacker to collect and interpret the output of said attack.
- Embedding Scripts within Scripts An attack of this type exploits a programs' vulnerabilities that are brought on by allowing remote hosts to execute scripts. The attacker leverages this capability to execute scripts to execute his/her own script by embedding it within other scripts that the target software is likely to execute. The attacker must have the ability to inject script into script that is likely to be executed. If this is done, then the attacker can potentially launch a variety of probes and attacks against the web server's local environment, in many cases the so-called DMZ, back end resources the web server can communicate with, and other hosts. With the proliferation of intermediaries, such as Web App Firewalls, network devices, and even printers having JVMs and Web servers, there are many locales where an attacker can inject malicious scripts. Since this attack pattern defines scripts within scripts, there are likely privileges to execute said attack on the host. Of course, these attacks are not solely limited to the server side, client side scripts like Ajax and client side JavaScript can contain malicious scripts as well. In general all that is required is for there to be sufficient privileges to execute a script, but not protected against writing.
- Cross-Site Scripting in Error Pages An attacker distributes a link (or possibly some other query structure) with a request to a third party web server that is malformed and also contains a block of exploit code in order to have the exploit become live code in the resulting error page. When the third party web server receives the crafted request and notes the error it then creates an error message that echoes the malformed message, including the exploit. Doing this converts the exploit portion of the message into to valid language elements that are executed by the viewing browser. When a victim executes the query provided by the attacker the infected error message error message is returned including the exploit code which then runs in the victim's browser. XSS can result in execution of code as well as data leakage (e.g. session cookies can be sent to the attacker). This type of attack is especially dangerous since the exploit appears to come from the third party web server, who the victim may trust and hence be more vulnerable to deception.
- Cross-Site Scripting Using Alternate Syntax The attacker uses alternate forms of keywords or commands that result in the same action as the primary form but which may not be caught by filters. For example, many keywords are processed in a case insensitive manner. If the site's web filtering algorithm does not convert all tags into a consistent case before the comparison with forbidden keywords it is possible to bypass filters (e.g., incomplete black lists) by using an alternate case structure. For example, the "script" tag using the alternate forms of "Script" or "ScRiPt" may bypass filters where "script" is the only form tested. Other variants using different syntax representations are also possible as well as using pollution meta-characters or entities that are eventually ignored by the rendering engine. The attack can result in the execution of otherwise prohibited functionality.
Nessus
NASL family SuSE Local Security Checks NASL id SUSE_11_4_EMPATHY-111104.NASL description Insufficient quoting of nick names allowed attackers to inject arbitrary html (CVE-2011-3635) last seen 2020-06-01 modified 2020-06-02 plugin id 75823 published 2014-06-13 reporter This script is Copyright (C) 2014-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/75823 title openSUSE Security Update : empathy (openSUSE-SU-2011:1257-1) 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 empathy-5376. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(75823); script_version("1.5"); script_cvs_date("Date: 2019/10/25 13:36:42"); script_cve_id("CVE-2011-3635"); script_name(english:"openSUSE Security Update : empathy (openSUSE-SU-2011:1257-1)"); script_summary(english:"Check for the empathy-5376 patch"); script_set_attribute( attribute:"synopsis", value:"The remote openSUSE host is missing a security update." ); script_set_attribute( attribute:"description", value: "Insufficient quoting of nick names allowed attackers to inject arbitrary html (CVE-2011-3635)" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.novell.com/show_bug.cgi?id=727003" ); script_set_attribute( attribute:"see_also", value:"https://lists.opensuse.org/opensuse-updates/2011-11/msg00021.html" ); script_set_attribute( attribute:"solution", value:"Update the affected empathy packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:empathy"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:empathy-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:empathy-debugsource"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:empathy-lang"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:nautilus-sendto-plugin-empathy"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:nautilus-sendto-plugin-empathy-debuginfo"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:11.4"); script_set_attribute(attribute:"patch_publication_date", value:"2011/11/04"); 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) 2014-2019 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 !~ "^(SUSE11\.4)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "11.4", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); ourarch = get_kb_item("Host/cpu"); if (!ourarch) audit(AUDIT_UNKNOWN_ARCH); if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch); flag = 0; if ( rpm_check(release:"SUSE11.4", reference:"empathy-2.32.2-7.10.1") ) flag++; if ( rpm_check(release:"SUSE11.4", reference:"empathy-debuginfo-2.32.2-7.10.1") ) flag++; if ( rpm_check(release:"SUSE11.4", reference:"empathy-debugsource-2.32.2-7.10.1") ) flag++; if ( rpm_check(release:"SUSE11.4", reference:"empathy-lang-2.32.2-7.10.1") ) flag++; if ( rpm_check(release:"SUSE11.4", reference:"nautilus-sendto-plugin-empathy-2.32.2-7.10.1") ) flag++; if ( rpm_check(release:"SUSE11.4", reference:"nautilus-sendto-plugin-empathy-debuginfo-2.32.2-7.10.1") ) 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, "empathy / empathy-lang / nautilus-sendto-plugin-empathy / etc"); }
NASL family SuSE Local Security Checks NASL id SUSE_11_EMPATHY-111103.NASL description The following bug has been fixed : - Insufficient quoting of nick names allowed attackers to inject arbitrary html (CVE-2011-3635) last seen 2020-06-01 modified 2020-06-02 plugin id 57098 published 2011-12-13 reporter This script is Copyright (C) 2011-2019 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/57098 title SuSE 11.1 Security Update : empathy (SAT Patch Number 5363) 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(57098); script_version("1.5"); script_cvs_date("Date: 2019/10/25 13:36:42"); script_cve_id("CVE-2011-3635"); script_name(english:"SuSE 11.1 Security Update : empathy (SAT Patch Number 5363)"); script_summary(english:"Checks rpm output for the updated packages"); script_set_attribute( attribute:"synopsis", value:"The remote SuSE 11 host is missing one or more security updates." ); script_set_attribute( attribute:"description", value: "The following bug has been fixed : - Insufficient quoting of nick names allowed attackers to inject arbitrary html (CVE-2011-3635)" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.novell.com/show_bug.cgi?id=727003" ); script_set_attribute( attribute:"see_also", value:"http://support.novell.com/security/cve/CVE-2011-3635.html" ); script_set_attribute(attribute:"solution", value:"Apply SAT patch number 5363."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:11:empathy"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:11:empathy-lang"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11"); script_set_attribute(attribute:"patch_publication_date", value:"2011/11/03"); script_set_attribute(attribute:"plugin_publication_date", value:"2011/12/13"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2011-2019 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) != 1) audit(AUDIT_OS_NOT, "SuSE 11.1"); flag = 0; if (rpm_check(release:"SLED11", sp:1, cpu:"i586", reference:"empathy-2.28.2-0.5.2")) flag++; if (rpm_check(release:"SLED11", sp:1, cpu:"i586", reference:"empathy-lang-2.28.2-0.5.2")) flag++; if (rpm_check(release:"SLED11", sp:1, cpu:"x86_64", reference:"empathy-2.28.2-0.5.2")) flag++; if (rpm_check(release:"SLED11", sp:1, cpu:"x86_64", reference:"empathy-lang-2.28.2-0.5.2")) flag++; if (flag) { if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get()); else security_warning(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-1250-1.NASL description It was discovered that a cross-site scripting (XSS) vulnerability in the Adium theme allows remote attackers to inject arbitrary JavaScript or HTML via a crafted nickname in XMPP group conversations. 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 2020-06-01 modified 2020-06-02 plugin id 56680 published 2011-10-31 reporter Ubuntu Security Notice (C) 2011-2019 Canonical, Inc. / NASL script (C) 2011-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/56680 title Ubuntu 10.04 LTS / 10.10 / 11.04 / 11.10 : empathy vulnerabilities (USN-1250-1) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Ubuntu Security Notice USN-1250-1. 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(56680); script_version("1.7"); script_cvs_date("Date: 2019/09/19 12:54:27"); script_cve_id("CVE-2011-3635", "CVE-2011-4170"); script_bugtraq_id(50323); script_xref(name:"USN", value:"1250-1"); script_name(english:"Ubuntu 10.04 LTS / 10.10 / 11.04 / 11.10 : empathy vulnerabilities (USN-1250-1)"); 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: "It was discovered that a cross-site scripting (XSS) vulnerability in the Adium theme allows remote attackers to inject arbitrary JavaScript or HTML via a crafted nickname in XMPP group conversations. 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/1250-1/" ); script_set_attribute( attribute:"solution", value:"Update the affected empathy package." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N"); script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:ND"); script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available"); script_set_attribute(attribute:"exploit_available", value:"true"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:empathy"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:10.04:-:lts"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:10.10"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:11.04"); script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:11.10"); script_set_attribute(attribute:"vuln_publication_date", value:"2011/10/23"); script_set_attribute(attribute:"patch_publication_date", value:"2011/10/28"); script_set_attribute(attribute:"plugin_publication_date", value:"2011/10/31"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"Ubuntu Security Notice (C) 2011-2019 Canonical, Inc. / NASL script (C) 2011-2019 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:"^(10\.04|10\.10|11\.04|11\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 10.04 / 10.10 / 11.04 / 11.10", "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:"10.04", pkgname:"empathy", pkgver:"2.30.3-0ubuntu1.1")) flag++; if (ubuntu_check(osver:"10.10", pkgname:"empathy", pkgver:"2.32.1-0ubuntu1.2")) flag++; if (ubuntu_check(osver:"11.04", pkgname:"empathy", pkgver:"2.34.0-0ubuntu3.2")) flag++; if (ubuntu_check(osver:"11.10", pkgname:"empathy", pkgver:"3.2.0.1-0ubuntu1.1")) 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, "empathy"); }
NASL family SuSE Local Security Checks NASL id SUSE_11_3_EMPATHY-111104.NASL description Insufficient quoting of nick names allowed attackers to inject arbitrary html (CVE-2011-3635) last seen 2020-06-01 modified 2020-06-02 plugin id 75475 published 2014-06-13 reporter This script is Copyright (C) 2014-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/75475 title openSUSE Security Update : empathy (openSUSE-SU-2011:1257-1) 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 empathy-5376. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(75475); script_version("1.5"); script_cvs_date("Date: 2019/10/25 13:36:41"); script_cve_id("CVE-2011-3635"); script_name(english:"openSUSE Security Update : empathy (openSUSE-SU-2011:1257-1)"); script_summary(english:"Check for the empathy-5376 patch"); script_set_attribute( attribute:"synopsis", value:"The remote openSUSE host is missing a security update." ); script_set_attribute( attribute:"description", value: "Insufficient quoting of nick names allowed attackers to inject arbitrary html (CVE-2011-3635)" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.novell.com/show_bug.cgi?id=727003" ); script_set_attribute( attribute:"see_also", value:"https://lists.opensuse.org/opensuse-updates/2011-11/msg00021.html" ); script_set_attribute( attribute:"solution", value:"Update the affected empathy packages." ); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:empathy"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:empathy-lang"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:nautilus-sendto-plugin-empathy"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:11.3"); script_set_attribute(attribute:"patch_publication_date", value:"2011/11/04"); 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) 2014-2019 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 !~ "^(SUSE11\.3)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "11.3", 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:"SUSE11.3", reference:"empathy-2.30.1-3.5.1") ) flag++; if ( rpm_check(release:"SUSE11.3", reference:"empathy-lang-2.30.1-3.5.1") ) flag++; if ( rpm_check(release:"SUSE11.3", reference:"nautilus-sendto-plugin-empathy-2.30.1-3.5.1") ) 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, "empathy / empathy-lang / nautilus-sendto-plugin-empathy"); }
References
- http://git.gnome.org/browse/empathy/commit/?id=739aca418457de752be13721218aaebc74bd9d36
- http://osvdb.org/76485
- http://secunia.com/advisories/46510
- http://secunia.com/advisories/46939
- http://www.securityfocus.com/bid/50323
- https://bugzilla.gnome.org/show_bug.cgi?id=662035
- https://bugzilla.redhat.com/show_bug.cgi?id=747599