Vulnerabilities > CVE-2015-7539 - Insufficient Verification of Data Authenticity vulnerability in Jenkins
Attack vector
NETWORK Attack complexity
HIGH Privileges required
NONE Confidentiality impact
COMPLETE Integrity impact
COMPLETE Availability impact
COMPLETE Summary
The Plugins Manager in Jenkins before 1.640 and LTS before 1.625.2 does not verify checksums for plugin files referenced in update site data, which makes it easier for man-in-the-middle attackers to execute arbitrary code via a crafted plugin.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- JSON Hijacking (aka JavaScript Hijacking) An attacker targets a system that uses JavaScript Object Notation (JSON) as a transport mechanism between the client and the server (common in Web 2.0 systems using AJAX) to steal possibly confidential information transmitted from the server back to the client inside the JSON object by taking advantage of the loophole in the browser's Same Origin Policy that does not prohibit JavaScript from one website to be included and executed in the context of another website. An attacker gets the victim to visit his or her malicious page that contains a script tag whose source points to the vulnerable system with a URL that requests a response from the server containing a JSON object with possibly confidential information. The malicious page also contains malicious code to capture the JSON object returned by the server before any other processing on it can take place, typically by overriding the JavaScript function used to create new objects. This hook allows the malicious code to get access to the creation of each object and transmit the possibly sensitive contents of the captured JSON object to the attackers' server. There is nothing in the browser's security model to prevent the attackers' malicious JavaScript code (originating from attacker's domain) to set up an environment (as described above) to intercept a JSON object response (coming from the vulnerable target system's domain), read its contents and transmit to the attackers' controlled site. The same origin policy protects the domain object model (DOM), but not the JSON.
- Cache Poisoning An attacker exploits the functionality of cache technologies to cause specific data to be cached that aids the attackers' objectives. This describes any attack whereby an attacker places incorrect or harmful material in cache. The targeted cache can be an application's cache (e.g. a web browser cache) or a public cache (e.g. a DNS or ARP cache). Until the cache is refreshed, most applications or clients will treat the corrupted cache value as valid. This can lead to a wide range of exploits including redirecting web browsers towards sites that install malware and repeatedly incorrect calculations based on the incorrect value.
- DNS Cache Poisoning A domain name server translates a domain name (such as www.example.com) into an IP address that Internet hosts use to contact Internet resources. An attacker modifies a public DNS cache to cause certain names to resolve to incorrect addresses that the attacker specifies. The result is that client applications that rely upon the targeted cache for domain name resolution will be directed not to the actual address of the specified domain name but to some other address. Attackers can use this to herd clients to sites that install malware on the victim's computer or to masquerade as part of a Pharming attack.
- Cross-Site Scripting Using MIME Type Mismatch An attacker creates a file with scripting content but where the specified MIME type of the file is such that scripting is not expected. Some browsers will detect that the specified MIME type of the file does not match the actual type of the content and will automatically switch to using an interpreter for the real content type. If the browser does not invoke script filters before doing this, the attackers' script may run on the target unsanitized. For example, the MIME type text/plain may be used where the actual content is text/javascript or text/html. Since text does not contain scripting instructions, the stated MIME type would indicate that filtering is unnecessary. However, if the target application subsequently determines the file's real type and invokes the appropriate interpreter, scripted content could be invoked. In another example, img tags in HTML content could reference a renderable type file instead of an expected image file. The file extension and MIME type can describe an image file, but the file content can be text/javascript or text/html resulting in script execution. If the browser assumes all references in img tags are images, and therefore do not need to be filtered for scripts, this would bypass content filters. In a cross-site scripting attack, the attacker tricks the victim into accessing a URL that uploads a script file with an incorrectly specified MIME type. If the victim's browser switches to the appropriate interpreter without filtering, the attack will execute as a standard XSS attack, possibly revealing the victim's cookies or executing arbitrary script in their browser.
- Spoofing of UDDI/ebXML Messages An attacker spoofs a UDDI, ebXML, or similar message in order to impersonate a service provider in an e-business transaction. UDDI, ebXML, and similar standards are used to identify businesses in e-business transactions. Among other things, they identify a particular participant, WSDL information for SOAP transactions, and supported communication protocols, including security protocols. By spoofing one of these messages an attacker could impersonate a legitimate business in a transaction or could manipulate the protocols used between a client and business. This could result in disclosure of sensitive information, loss of message integrity, or even financial fraud.
Nessus
NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2016-0489.NASL description Red Hat OpenShift Enterprise release 2.2.9, which fixes several security issues, several bugs, and introduces feature enhancements, is now available. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. OpenShift Enterprise by Red Hat is the company last seen 2020-06-12 modified 2018-12-04 plugin id 119368 published 2018-12-04 reporter This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/119368 title RHEL 6 : Red Hat OpenShift Enterprise 2.2.9 (RHSA-2016:0489) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from Red Hat Security Advisory RHSA-2016:0489. The text # itself is copyright (C) Red Hat, Inc. # include("compat.inc"); if (description) { script_id(119368); script_version("1.8"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/11"); script_cve_id("CVE-2015-5254", "CVE-2015-5317", "CVE-2015-5318", "CVE-2015-5319", "CVE-2015-5320", "CVE-2015-5321", "CVE-2015-5322", "CVE-2015-5323", "CVE-2015-5324", "CVE-2015-5325", "CVE-2015-5326", "CVE-2015-7537", "CVE-2015-7538", "CVE-2015-7539", "CVE-2015-8103"); script_xref(name:"RHSA", value:"2016:0489"); script_name(english:"RHEL 6 : Red Hat OpenShift Enterprise 2.2.9 (RHSA-2016:0489)"); script_summary(english:"Checks the rpm output for the updated packages"); script_set_attribute( attribute:"synopsis", value:"The remote Red Hat host is missing one or more security updates." ); script_set_attribute( attribute:"description", value: "Red Hat OpenShift Enterprise release 2.2.9, which fixes several security issues, several bugs, and introduces feature enhancements, is now available. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. OpenShift Enterprise by Red Hat is the company's cloud computing Platform-as-a-Service (PaaS) solution designed for on-premise or private cloud deployments. The following security issue is addressed with this release : It was found that ActiveMQ did not safely handle user-supplied data when deserializing objects. A remote attacker could use this flaw to execute arbitrary code with the permissions of the ActiveMQ application. (CVE-2015-5254) An update for Jenkins Continuous Integration Server that addresses a large number of security issues including XSS, CSRF, information disclosure and code execution have been addressed as well. (CVE-2015-5317, CVE-2015-5318, CVE-2015-5319, CVE-2015-5320, CVE-2015-5321, CVE-2015-5322, CVE-2015-5323, CVE-2015-5324, CVE-2015-5325, CVE-2015-5326, CVE-2015-7537, CVE-2015-7538, CVE-2015-7539, CVE-2015-8103) Space precludes documenting all of the bug fixes in this advisory. See the OpenShift Enterprise Technical Notes, which will be updated shortly for release 2.2.9, for details about these changes : https://access.redhat.com/documentation/en-US/OpenShift_Enterprise/2/ html-single/Technical_Notes/index.html All OpenShift Enterprise 2 users are advised to upgrade to these updated packages." ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2016:0489" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-7538" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-7539" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-5318" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-7537" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-5320" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-5317" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-8103" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-5324" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-5325" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-5254" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-5326" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-5321" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-5319" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-5323" ); script_set_attribute( attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2015-5322" ); script_set_attribute(attribute:"solution", value:"Update the affected packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C"); script_set_attribute(attribute:"cvss_score_source", value:"CVE-2015-7539"); script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available"); script_set_attribute(attribute:"exploit_available", value:"true"); script_set_attribute(attribute:"exploit_framework_core", value:"true"); script_set_attribute(attribute:"metasploit_name", value:'OpenNMS Java Object Unserialization Remote Code Execution'); script_set_attribute(attribute:"exploit_framework_metasploit", value:"true"); script_set_attribute(attribute:"exploit_framework_canvas", value:"true"); script_set_attribute(attribute:"canvas_package", value:'CANVAS'); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:activemq-client"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:jenkins"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-enterprise-release"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-enterprise-upgrade-node"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-enterprise-yum-validator"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-origin-cartridge-cron"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-origin-cartridge-haproxy"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-origin-cartridge-mysql"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-origin-cartridge-php"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-origin-cartridge-python"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-origin-msg-node-mcollective"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-origin-node-proxy"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:openshift-origin-node-util"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:php-bcmath"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:php-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:php-devel"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:php-fpm"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:php-imap"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:php-intl"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:php-mbstring"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:php-process"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-openshift-origin-common"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-openshift-origin-frontend-apache-vhost"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:rubygem-openshift-origin-node"); script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6"); script_set_attribute(attribute:"vuln_publication_date", value:"2015/11/25"); script_set_attribute(attribute:"patch_publication_date", value:"2016/03/22"); script_set_attribute(attribute:"plugin_publication_date", value:"2018/12/04"); script_set_attribute(attribute:"generated_plugin", value:"current"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2018-2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_family(english:"Red Hat Local Security Checks"); script_dependencies("ssh_get_info.nasl"); script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu"); exit(0); } include("audit.inc"); include("global_settings.inc"); include("misc_func.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) || "Red Hat" >!< release) audit(AUDIT_OS_NOT, "Red Hat"); os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release); if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat"); os_ver = os_ver[1]; if (! preg(pattern:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 6.x", "Red Hat " + os_ver); if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); cpu = get_kb_item("Host/cpu"); if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH); if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "s390" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Red Hat", cpu); yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo"); if (!empty_or_null(yum_updateinfo)) { rhsa = "RHSA-2016:0489"; yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa); if (!empty_or_null(yum_report)) { security_report_v4( port : 0, severity : SECURITY_HOLE, extra : yum_report ); exit(0); } else { audit_message = "affected by Red Hat security advisory " + rhsa; audit(AUDIT_OS_NOT, audit_message); } } else { flag = 0; if (! (rpm_exists(release:"RHEL6", rpm:"openshift-origin"))) audit(AUDIT_PACKAGE_NOT_INSTALLED, "OpenShift"); if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"activemq-client-5.9.0-6.redhat.611454.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"jenkins-1.625.3-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"openshift-enterprise-release-2.2.9-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"openshift-enterprise-upgrade-node-2.2.9-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"openshift-enterprise-yum-validator-2.2.9-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"openshift-origin-cartridge-cron-1.25.2.1-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"openshift-origin-cartridge-haproxy-1.31.5.1-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"openshift-origin-cartridge-mysql-1.31.2.1-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"openshift-origin-cartridge-php-1.35.3.1-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"openshift-origin-cartridge-python-1.34.2.1-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"openshift-origin-msg-node-mcollective-1.30.2.1-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"openshift-origin-node-proxy-1.26.2.1-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"openshift-origin-node-util-1.38.6.2-1.el6")) flag++; if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"php-bcmath-5.3.3-46.el6_7.1")) flag++; if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"php-debuginfo-5.3.3-46.el6_7.1")) flag++; if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"php-devel-5.3.3-46.el6_7.1")) flag++; if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"php-fpm-5.3.3-46.el6_7.1")) flag++; if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"php-imap-5.3.3-46.el6_7.1")) flag++; if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"php-intl-5.3.3-46.el6_7.1")) flag++; if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"php-mbstring-5.3.3-46.el6_7.1")) flag++; if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"php-process-5.3.3-46.el6_7.1")) flag++; if (rpm_check(release:"RHEL6", reference:"rubygem-openshift-origin-common-1.29.5.2-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"rubygem-openshift-origin-frontend-apache-vhost-0.13.2.1-1.el6")) flag++; if (rpm_check(release:"RHEL6", reference:"rubygem-openshift-origin-node-1.38.5.3-1.el6")) flag++; if (flag) { security_report_v4( port : 0, severity : SECURITY_HOLE, extra : rpm_report_get() + redhat_report_package_caveat() ); exit(0); } else { tested = pkg_tests_get(); if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested); else audit(AUDIT_PACKAGE_NOT_INSTALLED, "activemq-client / jenkins / openshift-enterprise-release / etc"); } }NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2016-0070.NASL description Red Hat OpenShift Enterprise release 3.1.1 is now available with updates to packages that fix several security issues, bugs and introduce feature enhancements. Red Hat Product Security has rated this update as having Important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. OpenShift Enterprise by Red Hat is the company last seen 2020-06-01 modified 2020-06-02 plugin id 119442 published 2018-12-06 reporter This script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/119442 title RHEL 7 : openshift (RHSA-2016:0070) NASL family Fedora Local Security Checks NASL id FEDORA_2015-938C70C840.NASL description Security update, fixes: CVE-2015-7536 (SECURITY-95), CVE-2015-7537 (SECURITY-225), CVE-2015-7538 (SECURITY-233), CVE-2015-7539 (SECURITY-234) 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 seen 2020-06-05 modified 2016-03-04 plugin id 89328 published 2016-03-04 reporter This script is Copyright (C) 2016-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/89328 title Fedora 22 : jenkins-1.609.3-5.fc22 (2015-938c70c840) NASL family Fedora Local Security Checks NASL id FEDORA_2015-D7E5461DBF.NASL description Update to latest LTS release 1.625.3. This update fixes CVE-2015-7536, CVE-2015-7537, CVE-2015-7538, CVE-2015-7539. 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 seen 2020-06-05 modified 2016-03-04 plugin id 89428 published 2016-03-04 reporter This script is Copyright (C) 2016-2020 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/89428 title Fedora 23 : jenkins-1.625.3-1.fc23 (2015-d7e5461dbf) NASL family FreeBSD Local Security Checks NASL id FREEBSD_PKG_23AF04259EAC11E5B93700E0814CAB4E.NASL description Jenkins Security Advisory : DescriptionSECURITY-95 / CVE-2015-7536 (Stored XSS vulnerability through workspace files and archived artifacts) In certain configurations, low privilege users were able to create e.g. HTML files in workspaces and archived artifacts that could result in XSS when accessed by other users. Jenkins now sends Content-Security-Policy headers that enables sandboxing and prohibits script execution by default. SECURITY-225 / CVE-2015-7537 (CSRF vulnerability in some administrative actions) Several administration/configuration related URLs could be accessed using GET, which allowed attackers to circumvent CSRF protection. SECURITY-233 / CVE-2015-7538 (CSRF protection ineffective) Malicious users were able to circumvent CSRF protection on any URL by sending specially crafted POST requests. SECURITY-234 / CVE-2015-7539 (Jenkins plugin manager vulnerable to MITM attacks) While the Jenkins update site data is digitally signed, and the signature verified by Jenkins, Jenkins did not verify the provided SHA-1 checksums for the plugin files referenced in the update site data. This enabled MITM attacks on the plugin manager, resulting in installation of attacker-provided plugins. last seen 2020-06-01 modified 2020-06-02 plugin id 87292 published 2015-12-10 reporter This script is Copyright (C) 2015-2018 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/87292 title FreeBSD : jenkins -- multiple vulnerabilities (23af0425-9eac-11e5-b937-00e0814cab4e)
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