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Recent Red Hat Ceph Storage Security Advisories

Advisory Title Published
RHSA-2021:2445 (RHSA-2021:2445) Important: Red Hat Ceph Storage 4.2 Security and Bug Fix Update June 17, 2021
RHSA-2021:1518 (RHSA-2021:1518) Important: Red Hat Ceph Storage 3.3 Security and Bug Fix Update May 6, 2021
RHSA-2021:1452 (RHSA-2021:1452) Important: Red Hat Ceph Storage security, bug fix, and enhancement Update April 29, 2021

By the Year

In 2021 there have been 6 vulnerabilities in Red Hat Ceph Storage with an average score of 6.6 out of ten. Last year Ceph Storage had 15 security vulnerabilities published. Right now, Ceph Storage is on track to have less security vulnerabilities in 2021 than it did last year. Last year, the average CVE base score was greater by 0.22

Year Vulnerabilities Average Score
2021 6 6.55
2020 15 6.77
2019 4 6.55
2018 8 7.76

It may take a day or so for new Ceph Storage vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Red Hat Ceph Storage Security Vulnerabilities

A flaw was found in the ZeroMQ server in versions before 4.3.3

CVE-2021-20236 9.8 - Critical - May 28, 2021

A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Memory Corruption

A flaw was found in Red Hat Ceph Storage 4, in the Dashboard component

CVE-2021-3509 6.1 - Medium - May 27, 2021

A flaw was found in Red Hat Ceph Storage 4, in the Dashboard component. In response to CVE-2020-27839, the JWT token was moved from localStorage to an httpOnly cookie. However, token cookies are used in the body of the HTTP response for the documentation, which again makes it available to XSS.The greatest threat to the system is for confidentiality, integrity, and availability.

XSS

A flaw was found in the Red Hat Ceph Storage RGW in versions before 14.2.21

CVE-2021-3531 5.3 - Medium - May 18, 2021

A flaw was found in the Red Hat Ceph Storage RGW in versions before 14.2.21. When processing a GET Request for a swift URL that ends with two slashes it can cause the rgw to crash, resulting in a denial of service. The greatest threat to the system is of availability.

Improper Input Validation

A flaw was found in the Red Hat Ceph Storage RadosGW (Ceph Object Gateway) in versions before 14.2.21

CVE-2021-3524 6.5 - Medium - May 17, 2021

A flaw was found in the Red Hat Ceph Storage RadosGW (Ceph Object Gateway) in versions before 14.2.21. The vulnerability is related to the injection of HTTP headers via a CORS ExposeHeader tag. The newline character in the ExposeHeader tag in the CORS configuration file generates a header injection in the response when the CORS request is made. In addition, the prior bug fix for CVE-2020-10753 did not account for the use of \r as a header separator, thus a new flaw has been created.

Improper Input Validation

An authentication flaw was found in ceph in versions before 14.2.20

CVE-2021-20288 7.2 - High - April 15, 2021

An authentication flaw was found in ceph in versions before 14.2.20. When the monitor handles CEPHX_GET_AUTH_SESSION_KEY requests, it doesn't sanitize other_keys, allowing key reuse. An attacker who can request a global_id can exploit the ability of any user to request a global_id previously associated with another user, as ceph does not force the reuse of old keys to generate new ones. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

authentification

A flaw was found in ceph in versions prior to 16.y.z where ceph stores mgr module passwords in clear text

CVE-2020-25678 4.4 - Medium - January 08, 2021

A flaw was found in ceph in versions prior to 16.y.z where ceph stores mgr module passwords in clear text. This can be found by searching the mgr logs for grafana and dashboard, with passwords visible.

Cleartext Storage of Sensitive Information

User credentials can be manipulated and stolen by Native CephFS consumers of OpenStack Manila, resulting in potential privilege escalation

CVE-2020-27781 7.1 - High - December 18, 2020

User credentials can be manipulated and stolen by Native CephFS consumers of OpenStack Manila, resulting in potential privilege escalation. An Open Stack Manila user can request access to a share to an arbitrary cephx user, including existing users. The access key is retrieved via the interface drivers. Then, all users of the requesting OpenStack project can view the access key. This enables the attacker to target any resource that the user has access to. This can be done to even "admin" users, compromising the ceph administrator. This flaw affects Ceph versions prior to 14.2.16, 15.x prior to 15.2.8, and 16.x prior to 16.2.0.

Insufficiently Protected Credentials

A flaw was found in Ceph-ansible v4.0.41 where it creates an /etc/ceph/iscsi-gateway.conf with insecure default permissions

CVE-2020-25677 5.5 - Medium - December 08, 2020

A flaw was found in Ceph-ansible v4.0.41 where it creates an /etc/ceph/iscsi-gateway.conf with insecure default permissions. This flaw allows any user on the system to read sensitive information within this file. The highest threat from this vulnerability is to confidentiality.

Cleartext Storage of Sensitive Information

A flaw was found in the Cephx authentication protocol in versions before 15.2.6 and before 14.2.14

CVE-2020-25660 8.8 - High - November 23, 2020

A flaw was found in the Cephx authentication protocol in versions before 15.2.6 and before 14.2.14, where it does not verify Ceph clients correctly and is then vulnerable to replay attacks in Nautilus. This flaw allows an attacker with access to the Ceph cluster network to authenticate with the Ceph service via a packet sniffer and perform actions allowed by the Ceph service. This issue is a reintroduction of CVE-2018-1128, affecting the msgr2 protocol. The msgr 2 protocol is used for all communication except older clients that do not support the msgr2 protocol. The msgr1 protocol is not affected. The highest threat from this vulnerability is to confidentiality, integrity, and system availability.

Authentication Bypass by Capture-replay

A flaw was found in Django REST Framework versions before 3.12.0 and before 3.11.2

CVE-2020-25626 6.1 - Medium - September 30, 2020

A flaw was found in Django REST Framework versions before 3.12.0 and before 3.11.2. When using the browseable API viewer, Django REST Framework fails to properly escape certain strings that can come from user input. This allows a user who can control those strings to inject malicious <script> tags, leading to a cross-site-scripting (XSS) vulnerability.

XSS

A flaw was found in the Ansible Engine

CVE-2020-14365 7.1 - High - September 23, 2020

A flaw was found in the Ansible Engine, in ansible-engine 2.8.x before 2.8.15 and ansible-engine 2.9.x before 2.9.13, when installing packages using the dnf module. GPG signatures are ignored during installation even when disable_gpg_check is set to False, which is the default behavior. This flaw leads to malicious packages being installed on the system and arbitrary code executed via package installation scripts. The highest threat from this vulnerability is to integrity and system availability.

Improper Verification of Cryptographic Signature

A flaw was found in the Red Hat Ceph Storage RadosGW (Ceph Object Gateway)

CVE-2020-10753 6.5 - Medium - June 26, 2020

A flaw was found in the Red Hat Ceph Storage RadosGW (Ceph Object Gateway). The vulnerability is related to the injection of HTTP headers via a CORS ExposeHeader tag. The newline character in the ExposeHeader tag in the CORS configuration file generates a header injection in the response when the CORS request is made. Ceph versions 3.x and 4.x are vulnerable to this issue.

HTTP Response Splitting

A flaw was found in Ansible Engine affecting Ansible Engine versions 2.7.x before 2.7.17 and 2.8.x before 2.8.11 and 2.9.x before 2.9.7 as well as Ansible Tower before and including versions 3.4.5 and 3.5.5 and 3.6.3 when using modules

CVE-2020-10685 5.5 - Medium - May 11, 2020

A flaw was found in Ansible Engine affecting Ansible Engine versions 2.7.x before 2.7.17 and 2.8.x before 2.8.11 and 2.9.x before 2.9.7 as well as Ansible Tower before and including versions 3.4.5 and 3.5.5 and 3.6.3 when using modules which decrypts vault files such as assemble, script, unarchive, win_copy, aws_s3 or copy modules. The temporary directory is created in /tmp leaves the s ts unencrypted. On Operating Systems which /tmp is not a tmpfs but part of the root partition, the directory is only cleared on boot and the decryp emains when the host is switched off. The system will be vulnerable when the system is not running. So decrypted data must be cleared as soon as possible and the data which normally is encrypted ble.

Exposure of Resource to Wrong Sphere

An information-disclosure flaw was found in Grafana through 6.7.3

CVE-2020-12458 5.5 - Medium - April 29, 2020

An information-disclosure flaw was found in Grafana through 6.7.3. The database directory /var/lib/grafana and database file /var/lib/grafana/grafana.db are world readable. This can result in exposure of sensitive information (e.g., cleartext or encrypted datasource passwords).

Cleartext Storage of Sensitive Information

A flaw was found in the Ceph Object Gateway, where it supports request sent by an anonymous user in Amazon S3

CVE-2020-1760 6.1 - Medium - April 23, 2020

A flaw was found in the Ceph Object Gateway, where it supports request sent by an anonymous user in Amazon S3. This flaw could lead to potential XSS attacks due to the lack of proper neutralization of untrusted input.

XSS

A path traversal flaw was found in the Ceph dashboard implemented in upstream versions v14.2.5

CVE-2020-1699 7.5 - High - April 21, 2020

A path traversal flaw was found in the Ceph dashboard implemented in upstream versions v14.2.5, v14.2.6, v15.0.0 of Ceph storage and has been fixed in versions 14.2.7 and 15.1.0. An unauthenticated attacker could use this flaw to cause information disclosure on the host machine running the Ceph dashboard.

Directory traversal

A vulnerability was found in Red Hat Ceph Storage 4 and Red Hat Openshift Container Storage 4.2 where, A nonce reuse vulnerability was discovered in the secure mode of the messenger v2 protocol, which can

CVE-2020-1759 6.8 - Medium - April 13, 2020

A vulnerability was found in Red Hat Ceph Storage 4 and Red Hat Openshift Container Storage 4.2 where, A nonce reuse vulnerability was discovered in the secure mode of the messenger v2 protocol, which can allow an attacker to forge auth tags and potentially manipulate the data by leveraging the reuse of a nonce in a session. Messages encrypted using a reused nonce value are susceptible to serious confidentiality and integrity attacks.

Reusing a Nonce, Key Pair in Encryption

A heap use-after-free vulnerability was found in systemd before version v245-rc1

CVE-2020-1712 7.8 - High - March 31, 2020

A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate their privileges, by sending specially crafted dbus messages.

Dangling pointer

A vulnerability was found in Ansible Engine versions 2.9.x before 2.9.3, 2.8.x before 2.8.8, 2.7.x before 2.7.16 and earlier, where in Ansible's nxos_file_copy module

CVE-2019-14905 5.6 - Medium - March 31, 2020

A vulnerability was found in Ansible Engine versions 2.9.x before 2.9.3, 2.8.x before 2.8.8, 2.7.x before 2.7.16 and earlier, where in Ansible's nxos_file_copy module can be used to copy files to a flash or bootflash on NXOS devices. Malicious code could craft the filename parameter to perform OS command injections. This could result in a loss of confidentiality of the system among other issues.

Externally Controlled Reference to a Resource in Another Sphere

Ansible, versions 2.9.x before 2.9.1, 2.8.x before 2.8.7 and Ansible versions 2.7.x before 2.7.15, is not respecting the flag no_log set it to True when Sumologic and Splunk callback plugins are used send tasks results events to collectors

CVE-2019-14864 6.5 - Medium - January 02, 2020

Ansible, versions 2.9.x before 2.9.1, 2.8.x before 2.8.7 and Ansible versions 2.7.x before 2.7.15, is not respecting the flag no_log set it to True when Sumologic and Splunk callback plugins are used send tasks results events to collectors. This would discloses and collects any sensitive data.

Insertion of Sensitive Information into Log File

A flaw was found in all python-ecdsa versions before 0.13.3, where it did not correctly verify whether signatures used DER encoding

CVE-2019-14859 9.1 - Critical - January 02, 2020

A flaw was found in all python-ecdsa versions before 0.13.3, where it did not correctly verify whether signatures used DER encoding. Without this verification, a malformed signature could be accepted, making the signature malleable. Without proper verification, an attacker could use a malleable signature to create false transactions.

Improper Verification of Cryptographic Signature

A flaw was found in Red Hat Ceph Storage version 3 in the way the Ceph RADOS Gateway daemon handles S3 requests

CVE-2019-19337 6.5 - Medium - December 23, 2019

A flaw was found in Red Hat Ceph Storage version 3 in the way the Ceph RADOS Gateway daemon handles S3 requests. An authenticated attacker can abuse this flaw by causing a remote denial of service by sending a specially crafted HTTP Content-Length header to the Ceph RADOS Gateway server.

Improper Input Validation

A flaw was found in the Ceph RGW configuration with Beast as the front end handling client requests

CVE-2019-10222 7.5 - High - November 08, 2019

A flaw was found in the Ceph RGW configuration with Beast as the front end handling client requests. An unauthenticated attacker could crash the Ceph RGW server by sending valid HTTP headers and terminating the connection, resulting in a remote denial of service for Ceph RGW clients.

Resource Exhaustion

It was found Ceph versions before 13.2.4

CVE-2018-14662 5.7 - Medium - January 15, 2019

It was found Ceph versions before 13.2.4 that authenticated ceph users with read only permissions could steal dm-crypt encryption keys used in ceph disk encryption.

Incorrect Permission Assignment for Critical Resource

It was found in Ceph versions before 13.2.4

CVE-2018-16846 6.5 - Medium - January 15, 2019

It was found in Ceph versions before 13.2.4 that authenticated ceph RGW users can cause a denial of service against OMAPs holding bucket indices.

Allocation of Resources Without Limits or Throttling

Grafana before 4.6.5 and 5.x before 5.3.3

CVE-2018-19039 6.5 - Medium - December 13, 2018

Grafana before 4.6.5 and 5.x before 5.3.3 allows remote authenticated users to read arbitrary files by leveraging Editor or Admin permissions.

Information Disclosure

It was found that ceph-isci-cli package as shipped by Red Hat Ceph Storage 2 and 3 is using python-werkzeug in debug shell mode

CVE-2018-14649 9.8 - Critical - October 09, 2018

It was found that ceph-isci-cli package as shipped by Red Hat Ceph Storage 2 and 3 is using python-werkzeug in debug shell mode. This is done by setting debug=True in file /usr/bin/rbd-target-api provided by ceph-isci-cli package. This allows unauthenticated attackers to access this debug shell and escalate privileges. Once an attacker has successfully connected to this debug shell they will be able to execute arbitrary commands remotely. These commands will run with the same privileges as of user executing the application which is using python-werkzeug with debug shell mode enabled. In - Red Hat Ceph Storage 2 and 3, ceph-isci-cli package runs python-werkzeug library with root level permissions.

Grafana 2.x, 3.x, and 4.x before 4.6.4 and 5.x before 5.2.3

CVE-2018-15727 9.8 - Critical - August 29, 2018

Grafana 2.x, 3.x, and 4.x before 4.6.4 and 5.x before 5.2.3 allows authentication bypass because an attacker can generate a valid "remember me" cookie knowing only a username of an LDAP or OAuth user.

authentification

A flaw was found in ansible

CVE-2018-10875 7.8 - High - July 13, 2018

A flaw was found in ansible. ansible.cfg is read from the current working directory which can be altered to make it point to a plugin or a module path under the control of an attacker, thus allowing the attacker to execute arbitrary code.

Untrusted Path

A flaw was found in the way ceph mon handles user requests

CVE-2018-10861 8.1 - High - July 10, 2018

A flaw was found in the way ceph mon handles user requests. Any authenticated ceph user having read access to ceph can delete, create ceph storage pools and corrupt snapshot images. Ceph branches master, mimic, luminous and jewel are believed to be affected.

authentification

A flaw was found in the way signature calculation was handled by cephx authentication protocol

CVE-2018-1129 6.5 - Medium - July 10, 2018

A flaw was found in the way signature calculation was handled by cephx authentication protocol. An attacker having access to ceph cluster network who is able to alter the message payload was able to bypass signature checks done by cephx protocol. Ceph branches master, mimic, luminous and jewel are believed to be vulnerable.

authentification

It was found that cephx authentication protocol did not verify ceph clients correctly and was vulnerable to replay attack

CVE-2018-1128 7.5 - High - July 10, 2018

It was found that cephx authentication protocol did not verify ceph clients correctly and was vulnerable to replay attack. Any attacker having access to ceph cluster network who is able to sniff packets on network can use this vulnerability to authenticate with ceph service and perform actions allowed by ceph service. Ceph branches master, mimic, luminous and jewel are believed to be vulnerable.

authentification

The DPDK vhost-user interface does not check to verify

CVE-2018-1059 6.1 - Medium - April 24, 2018

The DPDK vhost-user interface does not check to verify that all the requested guest physical range is mapped and contiguous when performing Guest Physical Addresses to Host Virtual Addresses translations. This may lead to a malicious guest exposing vhost-user backend process memory. All versions before 18.02.1 are vulnerable.

Information Disclosure

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