Vulnerabilities > CVE-2016-9579 - Improper Input Validation vulnerability in Redhat products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
A flaw was found in the way Ceph Object Gateway would process cross-origin HTTP requests if the CORS policy was set to allow origin on a bucket. A remote unauthenticated attacker could use this flaw to cause denial of service by sending a specially-crafted cross-origin HTTP request. Ceph branches 1.3.x and 2.x are affected.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
OS | 4 | |
OS | 2 | |
Application | 6 |
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 family SuSE Local Security Checks NASL id OPENSUSE-2017-421.NASL description This ceph version update to 10.2.6+git fixes the following issues : Security issues fixed : - CVE-2016-9579: RGW server DoS via request with invalid HTTP Origin header (boo#1014986). Bugfixes : - Update to version 10.2.6+git.1489493035.3ad7a68 - last seen 2020-06-05 modified 2017-04-04 plugin id 99179 published 2017-04-04 reporter This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/99179 title openSUSE Security Update : ceph (openSUSE-2017-421) 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-2017-421. # # The text description of this plugin is (C) SUSE LLC. # include("compat.inc"); if (description) { script_id(99179); script_version("3.4"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/04"); script_cve_id("CVE-2016-9579"); script_name(english:"openSUSE Security Update : ceph (openSUSE-2017-421)"); script_summary(english:"Check for the openSUSE-2017-421 patch"); script_set_attribute( attribute:"synopsis", value:"The remote openSUSE host is missing a security update." ); script_set_attribute( attribute:"description", value: "This ceph version update to 10.2.6+git fixes the following issues : Security issues fixed : - CVE-2016-9579: RGW server DoS via request with invalid HTTP Origin header (boo#1014986). Bugfixes : - Update to version 10.2.6+git.1489493035.3ad7a68 - 'tools/rados: default to include clone objects when excuting 'cache-flush-evict-all' (boo#1003891) - mon,ceph-disk: add lockbox permissions to bootstrap-osd (boo#1008435) - 'ceph_volume_client: fix _recover_auth_meta() method' (boo#1008501) - 'systemd/ceph-disk: reduce ceph-disk flock contention' (boo#1012100) - 'doc: add verbiage to rbdmap manpage' and 'Add Install section to systemd rbdmap.service file' (boo#1015748) - ceph-disk: systemd unit must run after local-fs.target (boo#1012100) - build/ops: restart [email protected] after 20s instead of 100ms (boo#1019616) - doc: add verbiage to rbdmap manpage and mention rbdmap in RBD quick start (boo#1015748) - doc: ceph-deploy man: remove references to mds destroy. Not implemented (boo#970642) Feature enhancements : - FATE#321098 : - rpm: deobfuscate SUSE-specific bconds - rpm: consider xio bcond on x86_64 and aarch64 only - rpm: remove s390 from SES ExclusiveArch - rpm: limit lttng/babeltrace to architectures - rpm: limit xio build - rpm: enable build for s390(x) in SLE - rpm: add 'without valgrind_devel' configure option" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1003891" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1008435" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1008501" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1012100" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1014986" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1015748" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1019616" ); script_set_attribute( attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=970642" ); # https://features.opensuse.org/321098 script_set_attribute( attribute:"see_also", value:"https://features.opensuse.org/" ); script_set_attribute(attribute:"solution", value:"Update the affected ceph packages."); script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-base"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-base-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-common"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-common-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-fuse"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-fuse-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-mds"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-mds-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-mon"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-mon-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-osd"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-osd-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-radosgw"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-radosgw-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-resource-agents"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-test"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:ceph-test-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libcephfs-devel"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libcephfs1"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libcephfs1-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:librados-devel"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:librados-devel-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:librados2"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:librados2-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libradosstriper-devel"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libradosstriper1"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libradosstriper1-debuginfo"); 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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:python-rbd-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:rbd-fuse"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:rbd-fuse-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:rbd-mirror"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:rbd-mirror-debuginfo"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:rbd-nbd"); script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:rbd-nbd-debuginfo"); script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:42.2"); script_set_attribute(attribute:"patch_publication_date", value:"2017/04/03"); script_set_attribute(attribute:"plugin_publication_date", value:"2017/04/04"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_copyright(english:"This script is Copyright (C) 2017-2020 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 !~ "^(SUSE42\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "42.2", release); if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING); ourarch = get_kb_item("Host/cpu"); if (!ourarch) audit(AUDIT_UNKNOWN_ARCH); if (ourarch !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch); flag = 0; if ( rpm_check(release:"SUSE42.2", reference:"ceph-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-base-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-base-debuginfo-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-common-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-common-debuginfo-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-fuse-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-fuse-debuginfo-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-mds-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-mds-debuginfo-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-mon-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-mon-debuginfo-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-osd-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-osd-debuginfo-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-radosgw-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-radosgw-debuginfo-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-resource-agents-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-test-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"ceph-test-debuginfo-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"libcephfs-devel-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"libcephfs1-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; if ( rpm_check(release:"SUSE42.2", reference:"libcephfs1-debuginfo-10.2.6+git.1489493035.3ad7a68-6.4.1") ) flag++; 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}
NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2016-2994.NASL description An update is now available for Red Hat Ceph Storage 1.3. This erratum is for Red Hat Ceph Storage that runs on Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Red Hat Ceph Storage is a scalable, open, software-defined storage platform that combines the most stable version of the Ceph storage system with a Ceph management platform, deployment utilities, and support services. Security Fix(es) : * A flaw was found in the way Ceph Object Gateway would process cross-origin HTTP requests if the CORS policy was set to allow origin on a bucket. A remote unauthenticated attacker could use this flaw to cause denial of service by sending a specially crafted cross-origin HTTP request. (CVE-2016-9579) last seen 2020-06-01 modified 2020-06-02 plugin id 110333 published 2018-06-06 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/110333 title RHEL 7 : Red Hat Ceph Storage 1.3 (RHSA-2016:2994) NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2016-2954.NASL description An update is now available for Red Hat Ceph Storage 2.1. This erratum is for Red Hat Ceph Storage that runs on Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Red Hat Ceph Storage is a scalable, open, software-defined storage platform that combines the most stable version of the Ceph storage system with a Ceph management platform, deployment utilities, and support services. Security Fix(es) : * A flaw was found in the way Ceph Object Gateway would process cross-origin HTTP requests if the CORS policy was set to allow origin on a bucket. A remote unauthenticated attacker could use this flaw to cause denial of service by sending a specially crafted cross-origin HTTP request. (CVE-2016-9579) Bug Fix(es) : * Due to a bug in the underlying source code, OSD nodes sometimes looped through the entire placement group, not only the requested segment, during the scrubbing process. Consequently, in some cases, the OSD nodes reached the last seen 2020-06-01 modified 2020-06-02 plugin id 110332 published 2018-06-06 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/110332 title RHEL 7 : Red Hat Ceph Storage 2.1 (RHSA-2016:2954) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-3452-1.NASL description It was discovered that Ceph incorrectly handled the handle_command function. A remote authenticated user could use this issue to cause Ceph to crash, resulting in a denial of service. (CVE-2016-5009) Rahul Aggarwal discovered that Ceph incorrectly handled the authenticated-read ACL. A remote attacker could possibly use this issue to list bucket contents via a URL. (CVE-2016-7031) Diluga Salome discovered that Ceph incorrectly handled certain POST objects with null conditions. A remote attacker could possibly use this issue to cuase Ceph to crash, resulting in a denial of service. (CVE-2016-8626) Yang Liu discovered that Ceph incorrectly handled invalid HTTP Origin headers. A remote attacker could possibly use this issue to cuase Ceph to crash, resulting in a denial of service. (CVE-2016-9579). 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 103815 published 2017-10-12 reporter Ubuntu Security Notice (C) 2017-2019 Canonical, Inc. / NASL script (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/103815 title Ubuntu 14.04 LTS : ceph vulnerabilities (USN-3452-1)
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References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2016-9579
- http://tracker.ceph.com/issues/18187
- http://www.securityfocus.com/bid/94936
- http://rhn.redhat.com/errata/RHSA-2016-2995.html
- http://rhn.redhat.com/errata/RHSA-2016-2994.html
- http://rhn.redhat.com/errata/RHSA-2016-2956.html
- http://rhn.redhat.com/errata/RHSA-2016-2954.html