Security Bulletin: Vulnerabilities in the Python, Docker, and ICP affect IBM Spectrum Discover

Summary

Vulnerabilities in the Python, Docker, and ICP such as a hole to obtain confidential information, denial of service, unauthorized access with high privileges, duplicate entries and CRLF injection, may affect IBM Spectrum Discover

Vulnerability Details

CVEID:CVE-2020-8566
**DESCRIPTION:**Kubernetes could allow a local authenticated attacker to obtain sensitive information, caused by a flaw when Ceph RBD volumes are supported and kube-controller-manager is using logLevel >= 4. By gaining access to the log files, an attacker could exploit this vulnerability to obtain the Ceph RBD Admin secrets, and use this information to launch further attacks against the affected system.
CVSS Base score: 4.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/189926 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2020-8565
**DESCRIPTION:**Kubernetes could allow a local authenticated attacker to obtain sensitive information, caused by a flaw when kube-apiserver is using logLevel >= 9. By gaining access to the log files, an attacker could exploit this vulnerability to obtain the Kubernetes authorization tokens information, and use this information to launch further attacks against the affected system.
CVSS Base score: 4.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/189925 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2020-8563
**DESCRIPTION:**Kubernetes could allow a local authenticated attacker to obtain sensitive information, caused by a flaw when using VSphere provider and kube-controller-manager is using logLevel >= 4. By gaining access to the log files, an attacker could exploit this vulnerability to obtain the VSphere Cloud credentials, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/189923 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N)

CVEID:CVE-2020-8564
**DESCRIPTION:**Kubernetes could allow a local authenticated attacker to obtain sensitive information, caused by a flaw when pull secrets are stored in a Docker config file and loglevel >= 4. By gaining access to the configuration files, an attacker could exploit this vulnerability to obtain full secrets or other credentials in docker, and use this information to launch further attacks against the affected system.
CVSS Base score: 4.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/189924 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2021-21285
**DESCRIPTION:**Docker is vulnerable to a denial of service, caused by improper input validation. By persuading a victim to pull a specially-crafted Docker image, a remote attacker could exploit this vulnerability to cause the dockerd daemon to crash, and results in a denial of service condition.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196049 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID:CVE-2021-21284
**DESCRIPTION:**Docker could allow a remote authenticated attacker to gain elevated privileges on the system, caused by a flaw when using the --userns-remap option. By sending a specially-crafted request, an authenticated attacker could exploit this vulnerability to gain elevated privileges as root on the system.
CVSS Base score: 8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/196047 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

CVEID:CVE-2020-26137
**DESCRIPTION:**urllib3 is vulnerable to CRLF injection. By inserting CR and LF control characters in the first argument of putrequest(), a remote attacker could exploit this vulnerability to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
CVSS Base score: 6.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/189426 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)

CVEID:CVE-2020-15187
**DESCRIPTION:**Helm could allow a remote authenticated attacker to bypass security restrictions, caused by an issue with containing duplicates of the same entry in the plugin.yaml file. By sending a specially-crafted input, an attacker could exploit this vulnerability to modify a plugin's install hooks to perform a local execution attack…
CVSS Base score: 6.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188456 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L)

CVEID:CVE-2020-15186
**DESCRIPTION:**Helm could allow a remote attacker to bypass security restrictions, caused by improper input valuation by the plugin names. By sending a specially-crafted input, an attacker could exploit this vulnerability to duplicate the name of another plugin or spoofing the output to helm --help.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188455 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:CVE-2020-15185
**DESCRIPTION:**Helm could allow a remote authenticated attacker to bypass security restrictions, caused by an issue with allowing duplicates of the same chart entry in the repository index file. By sending a specially-crafted input, an attacker could exploit this vulnerability to inject a bad chart into a repository.
CVSS Base score: 4.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188454 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2020-15184
**DESCRIPTION:**Helm could allow a remote attacker to bypass security restrictions, caused by improper input valuation by the alias field on a Chart.yaml. By sending a specially-crafted input, an attacker could exploit this vulnerability to inject unwanted information into a chart.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/188453 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2020-8553
**DESCRIPTION:**Kubernetes ingress-nginx could allow a remote authenticated attacker to bypass security restrictions, caused by a flaw when the annotation nginx.ingress.kubernetes.io/auth-type: basic is used. By sending a specially-crafted request, an attacker could exploit this vulnerability to create a new Ingress definition and replace the password file.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/186050 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N)

CVEID:CVE-2020-8557
**DESCRIPTION:**Kubernetes kubelet is vulnerable to a denial of service, caused by an issue with not including the /etc/hostsfile file by the kubelet eviction manager when calculating ephemeral storage usage. By writing a large amount of data to the /etc/hostsfile, a local authenticated attacker could exploit this vulnerability to fill the storage space of the node and cause the node to fail.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185301 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2020-8559
**DESCRIPTION:**Kubernetes kube-apiserver could allow a remote authenticated attacker to gain elevated privileges on the system, caused by a flaw when multiple clusters share the same certificate authority trusted by the client. By intercepting certain requests and sending a redirect response, an attacker could exploit this vulnerability to compromise other nodes.
CVSS Base score: 6.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185302 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H)

CVEID:CVE-2020-26116
**DESCRIPTION:**Python is vulnerable to CRLF injection, caused by improper validation of user-supplied input in http.client. By inserting CR and LF control characters in the first argument of HTTPConnection.request, a remote attacker could exploit this vulnerability to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/189404 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:CVE-2020-8555
**DESCRIPTION:**Kubernetes is vulnerable to server-side request forgery, caused by a flaw in the kube-controller-manager. By using a specially-crafted argument, a remote authenticated attacker could exploit this vulnerability to conduct SSRF attack to leak up to 500 bytes of arbitrary information from unprotected endpoints.
CVSS Base score: 3.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/182744 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N)

CVEID:CVE-2018-1002102
**DESCRIPTION:**Kubernetes API server could allow a remote authenticated attacker to conduct phishing attacks, caused by an improper validation of URL redirection. An attacker could exploit this vulnerability using a specially-crafted URL to redirect a victim to arbitrary Web sites.
CVSS Base score: 2.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172732 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:N/A:N)

CVEID:CVE-2019-11255
**DESCRIPTION:**kubernetes-csi external-provisioner, external-snapshotter, and external-resizer could allow a remote attacker to bypass security restrictions, caused by a flaw when using CSI volume snapshot, cloning or resizing features in Kubernetes. By sending a specially-crafted request, an attacker could exploit this vulnerability to access or mutate unauthorized volume data.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/171570 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N)

CVEID:CVE-2019-11252
**DESCRIPTION:**Kubernetes kube-controller-manager could allow a remote authenticated attacker to obtain sensitive information, caused by the leaking of user credentials in error messages in the mount failure logs and events for AzureFile and CephFS volumes. By gaining access to the log files, an attacker could exploit this vulnerability to obtain user credentials.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/185780 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2020-8558
**DESCRIPTION:**Kubernetes kube-proxy could allow a remote attacker to bypass security restrictions, caused by a default insecure port setting. By sending a specially-crafted request, an attacker could exploit this vulnerability to gain access to TCP and UDP services on the node(s) which are bound to 127.0.0.1.
CVSS Base score: 5.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/184769 for the current score.
CVSS Vector: (CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:CVE-2020-25659
**DESCRIPTION:**python-cryptography could allow a remote attacker to obtain sensitive information, caused by a Bleichenbacher timing attack. By sending a specially-crafted request using the RSA decryption API, an attacker could exploit this vulnerability to obtain parts of the cipher text encrypted with RSA, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192485 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

**Third Party Entry:**182747
**DESCRIPTION:**Kubernetes kubelet is vulnerable to a man-in-the-middle attack, caused by improper validation of router advertisements. By sending rogue router advertisements, an attacker could exploit this vulnerability using man-in-the-middle techniques to gain access to the communication channel between endpoints to obtain sensitive information or further compromise the system.
CVSS Base score: 6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/182747 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L)

Affected Products and Versions

Remediation/Fixes

Installed versions of Spectrum Discover (2.0.2.0, 2.0.2.1, 2.0.3.0, 2.0.3.1, 2.0.3.2, 2.0.3.3, 2.0.4) can be upgraded to fixed version using the IBM Spectrum Discover 2.0.3.4 upgrader and IBM Spectrum Discover 2.0.4.1 upgrader

Workarounds and Mitigations

None