Vulnerabilities > CVE-2007-6672 - Path Traversal vulnerability in Mortbay Jetty 6.1.5/6.1.6
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
PARTIAL Integrity impact
NONE Availability impact
NONE Summary
Mortbay Jetty 6.1.5 and 6.1.6 allows remote attackers to bypass protection mechanisms and read the source of files via multiple '/' (slash) characters in the URI.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 2 |
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Relative Path Traversal An attacker exploits a weakness in input validation on the target by supplying a specially constructed path utilizing dot and slash characters for the purpose of obtaining access to arbitrary files or resources. An attacker modifies a known path on the target in order to reach material that is not available through intended channels. These attacks normally involve adding additional path separators (/ or \) and/or dots (.), or encodings thereof, in various combinations in order to reach parent directories or entirely separate trees of the target's directory structure.
- Directory Traversal An attacker with access to file system resources, either directly or via application logic, will use various file path specification or navigation mechanisms such as ".." in path strings and absolute paths to extend their range of access to inappropriate areas of the file system. The attacker attempts to either explore the file system for recon purposes or access directories and files that are intended to be restricted from their access. Exploring the file system can be achieved through constructing paths presented to directory listing programs, such as "ls" and 'dir', or through specially crafted programs that attempt to explore the file system. The attacker engaging in this type of activity is searching for information that can be used later in a more exploitive attack. Access to restricted directories or files can be achieved through modification of path references utilized by system applications.
- File System Function Injection, Content Based An attack of this type exploits the host's trust in executing remote content including binary files. The files are poisoned with a malicious payload (targeting the file systems accessible by the target software) by the attacker and may be passed through standard channels such as via email, and standard web content like PDF and multimedia files. The attacker exploits known vulnerabilities or handling routines in the target processes. Vulnerabilities of this type have been found in a wide variety of commercial applications from Microsoft Office to Adobe Acrobat and Apple Safari web browser. When the attacker knows the standard handling routines and can identify vulnerabilities and entry points they can be exploited by otherwise seemingly normal content. Once the attack is executed, the attackers' program can access relative directories such as C:\Program Files or other standard system directories to launch further attacks. In a worst case scenario, these programs are combined with other propagation logic and work as a virus.
- Using Slashes and URL Encoding Combined to Bypass Validation Logic This attack targets the encoding of the URL combined with the encoding of the slash characters. An attacker can take advantage of the multiple way of encoding an URL and abuse the interpretation of the URL. An URL may contain special character that need special syntax handling in order to be interpreted. Special characters are represented using a percentage character followed by two digits representing the octet code of the original character (%HEX-CODE). For instance US-ASCII space character would be represented with %20. This is often referred as escaped ending or percent-encoding. Since the server decodes the URL from the requests, it may restrict the access to some URL paths by validating and filtering out the URL requests it received. An attacker will try to craft an URL with a sequence of special characters which once interpreted by the server will be equivalent to a forbidden URL. It can be difficult to protect against this attack since the URL can contain other format of encoding such as UTF-8 encoding, Unicode-encoding, etc.
- Manipulating Input to File System Calls An attacker manipulates inputs to the target software which the target software passes to file system calls in the OS. The goal is to gain access to, and perhaps modify, areas of the file system that the target software did not intend to be accessible.
Nessus
NASL family CGI abuses NASL id JETTY_DOUBLE_SLASH_INFO_DISCLOSURE.NASL description The remote instance of Mort Bay Jetty allows an attacker to view static content in WEB-INF and behind security constraints because of the approach it uses to compact URLs like last seen 2020-06-01 modified 2020-06-02 plugin id 29852 published 2008-01-07 reporter This script is Copyright (C) 2008-2018 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/29852 title Mort Bay Jetty URL Multiple Slash Character Information Disclosure code # # (C) Tenable Network Security, Inc. # include("compat.inc"); if (description) { script_id(29852); script_version("1.22"); script_cvs_date("Date: 2018/11/28 22:47:41"); script_cve_id("CVE-2007-6672"); script_bugtraq_id(27117); script_xref(name:"CERT", value:"553235"); script_name(english:"Mort Bay Jetty URL Multiple Slash Character Information Disclosure"); script_summary(english:"Tries to retrieve a webapp's web.xml"); script_set_attribute(attribute:"synopsis", value: "The remote web server is affected by an information disclosure vulnerability."); script_set_attribute(attribute:"description", value: "The remote instance of Mort Bay Jetty allows an attacker to view static content in WEB-INF and behind security constraints because of the approach it uses to compact URLs like '/foo///bar'."); script_set_attribute(attribute:"see_also", value:"http://jira.codehaus.org/browse/JETTY-386#action_117699"); script_set_attribute(attribute:"solution", value: "Upgrade to Mort Bay Jetty 6.1.7 or later."); script_set_cvss_base_vector("CVSS2#AV:N/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_cwe_id(22); script_set_attribute(attribute:"plugin_publication_date", value:"2008/01/07"); script_set_attribute(attribute:"plugin_type", value:"remote"); script_set_attribute(attribute:"cpe", value:"cpe:/a:mortbay:jetty"); script_set_attribute(attribute:"exploited_by_nessus", value:"true"); script_end_attributes(); script_category(ACT_ATTACK); script_family(english:"CGI abuses"); script_copyright(english:"This script is Copyright (C) 2008-2018 and is owned by Tenable, Inc. or an Affiliate thereof."); script_dependencies("webmirror.nasl", "http_version.nasl"); script_require_ports("Services/www", 80, 8080); exit(0); } include("global_settings.inc"); include("misc_func.inc"); include("http.inc"); include("data_protection.inc"); port = get_http_port(default:80); # Unless we're paranoid, make sure the banner looks like Mort Bay Jetty. # # nb: the Server Response header can be suppressed; eg, see # <http://docs.codehaus.org/display/JETTY/How+to+suppress+the+Server+HTTP+header>. if (report_paranoia < 2) { banner = get_http_banner(port:port); if (!banner || "Server: Jetty(" >!< banner) exit(0); } # Identify likely web apps. dirs = get_kb_list(string("www/", port, "/content/directories")); if (!dirs) exit(0); # Loop through possible webapps. # # nb: unless thorough_tests is enabled, we'll only scan a couple of directories. max_apps = 10; foreach webapp (dirs) { if (webapp =~ "^/.+/") continue; # Try to exploit the flaw to read an app's web.xml. uri = string(webapp, "//WEB-INF/web.xml"); w = http_send_recv3(method:"GET", item:uri, port:port); if (isnull(w)) exit(1, "The web server on port "+port+" did not answer"); res = strcat(w[0], w[1], '\r\n', w[2]); # If it looks like the file... if ( "<web-app" >< res && "<servlet>" >< res && "Content-Type: application/xml" >< res ) { # Make sure we can't get the file ordinarily. w = http_send_recv3(method:"GET", item:string(webapp, "/WEB-INF/web.xml"), port:port); if (isnull(w)) exit(1, "The web server on port "+port+" did not answer"); res2 = strcat(w[0], w[1], '\r\n', w[2]); if ("<web-app" >!< res2 && "<servlet>" >!< res2) { body = strstr(res, '\r\n\r\n') - '\r\n\r\n'; webapp = webapp - "/"; report = string( "Nessus was able to retrieve the web.xml file for the webapp '", webapp, "'\n", "using the following URI :\n", "\n", " ", uri, "\n", "\n", "Here are its contents :\n", "\n", data_protection::sanitize_user_full_redaction(output:body) ); security_warning(port:port, extra:report); exit(0); } } if (!thorough_tests && --max_apps == 0) break; }
NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_0832EE18CF7711DC8C6A00304881AC9A.NASL description Greg Wilkins reports : jetty allows remote attackers to bypass protection mechanisms and read the source of files via multiple last seen 2020-06-01 modified 2020-06-02 plugin id 37252 published 2009-04-23 reporter This script is Copyright (C) 2009-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/37252 title FreeBSD : jetty -- multiple vulnerability (0832ee18-cf77-11dc-8c6a-00304881ac9a) code #%NASL_MIN_LEVEL 80502 # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from the FreeBSD VuXML database : # # Copyright 2003-2018 Jacques Vidrine and contributors # # Redistribution and use in source (VuXML) and 'compiled' forms (SGML, # HTML, PDF, PostScript, RTF and so forth) with or without modification, # are permitted provided that the following conditions are met: # 1. Redistributions of source code (VuXML) must retain the above # copyright notice, this list of conditions and the following # disclaimer as the first lines of this file unmodified. # 2. Redistributions in compiled form (transformed to other DTDs, # published online in any format, converted to PDF, PostScript, # RTF and other formats) must reproduce the above copyright # notice, this list of conditions and the following disclaimer # in the documentation and/or other materials provided with the # distribution. # # THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, # OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT # OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR # BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE # OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION, # EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # include("compat.inc"); if (description) { script_id(37252); script_version("1.14"); script_cvs_date("Date: 2019/08/02 13:32:39"); script_cve_id("CVE-2007-6672"); script_bugtraq_id(27117); script_name(english:"FreeBSD : jetty -- multiple vulnerability (0832ee18-cf77-11dc-8c6a-00304881ac9a)"); script_summary(english:"Checks for updated package in pkg_info output"); script_set_attribute( attribute:"synopsis", value:"The remote FreeBSD host is missing a security-related update." ); script_set_attribute( attribute:"description", value: "Greg Wilkins reports : jetty allows remote attackers to bypass protection mechanisms and read the source of files via multiple '/' characters in the URI." ); script_set_attribute( attribute:"see_also", value:"http://jira.codehaus.org/browse/JETTY-386#action_117699" ); # https://vuxml.freebsd.org/freebsd/0832ee18-cf77-11dc-8c6a-00304881ac9a.html script_set_attribute( attribute:"see_also", value:"http://www.nessus.org/u?ca6b2bfb" ); script_set_attribute(attribute:"solution", value:"Update the affected package."); script_set_cvss_base_vector("CVSS2#AV:N/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_cwe_id(22); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:jetty"); script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd"); script_set_attribute(attribute:"vuln_publication_date", value:"2007/12/22"); script_set_attribute(attribute:"patch_publication_date", value:"2008/02/04"); script_set_attribute(attribute:"plugin_publication_date", value:"2009/04/23"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2009-2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"FreeBSD Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/FreeBSD/release", "Host/FreeBSD/pkg_info"); exit(0); } include("audit.inc"); include("freebsd_package.inc"); if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED); if (!get_kb_item("Host/FreeBSD/release")) audit(AUDIT_OS_NOT, "FreeBSD"); if (!get_kb_item("Host/FreeBSD/pkg_info")) audit(AUDIT_PACKAGE_LIST_MISSING); flag = 0; if (pkg_test(save_report:TRUE, pkg:"jetty<6.1.7")) flag++; if (flag) { if (report_verbosity > 0) security_warning(port:0, extra:pkg_report_get()); else security_warning(0); exit(0); } else audit(AUDIT_HOST_NOT, "affected");
References
- http://jira.codehaus.org/browse/JETTY/fixforversion/13950
- http://jira.codehaus.org/browse/JETTY-386#action_117699
- http://osvdb.org/39855
- http://secunia.com/advisories/28322
- http://secunia.com/advisories/28547
- http://www.igniterealtime.org/community/message/163752
- http://www.kb.cert.org/vuls/id/553235
- http://www.securityfocus.com/bid/27117
- http://www.vupen.com/english/advisories/2008/0079