Security Bulletin: Multiple vulnerabilities in Zookeeper affecting IBM QRadar User Behavior Analytics (CVE-2022-2191, CVE-2022-2047, CVE-2022-2048, CVE-2022-24823, CVE-2020-36518)

Summary

Multiple vulnerabilities exist in Zookeeper that are used by IBM QRadar User Behavior Analytics (UBA). These vulnerabilities are addressed in UBA by upgrading to a version of Zookeeper and packages that are associated with Zookeeper that resolve the vulnerabilities.

Vulnerability Details

CVEID:CVE-2022-2191
**DESCRIPTION:**Eclipse Jetty is vulnerable to a denial of service, caused by a flaw with SslConnection does not release ByteBuffers from configured ByteBufferPool in case of error code paths. By sending a specially-crafted request, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/230671 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2022-2047
**DESCRIPTION:**Eclipse Jetty could allow a remote authenticated attacker to bypass security restrictions, caused by a flaw in the HttpURI class. By sending a specially-crafted request, an attacker could exploit this vulnerability to the HttpClient and ProxyServlet/AsyncProxyServlet/AsyncMiddleManServlet wrongly interpreting an authority with no host as one with a host.
CVSS Base score: 2.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/230668 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2022-2048
**DESCRIPTION:**Eclipse Jetty is vulnerable to a denial of service, caused by a flaw in the error handling of an invalid HTTP/2 request. By sending specially-crafted HTTP/2 requests, a remote attacker could exploit this vulnerability to cause the server to become unresponsive, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/230670 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

CVEID:CVE-2022-24823
**DESCRIPTION:**Netty could allow a local authenticated attacker to obtain sensitive information, caused by a flaw when temporary storing uploads on the disk is enabled. By gaining access to the local system temporary directory, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/225922 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2020-36518
**DESCRIPTION:**FasterXML jackson-databind is vulnerable to a denial of service, caused by a Java StackOverflow exception. By using a large depth of nested objects, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/222319 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM encourages customer to upgrade their systems promptly.

Upgrade to version 4.1.9

Workarounds and Mitigations

None