IBM1DC8F2216CA1DD6EB58CA5BB6B43699E4A0286C0E064F7B6F823B105B0ED8997Security Bulletin: IBM Event Streams is affected by authorization bypass through user-controlled key vulnerability ( CVE-2023-44981).
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
6.7 Medium
AI Score
Confidence
Low
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
0.004 Low
EPSS
Percentile
72.4%
Summary
This security vulnerability in Apache ZooKeeper could allow an attacker to bypass security restrictions on the system, caused by a flaw when SASL Quorum Peer authentication is enabled in ZooKeeper (quorum.auth.enableSasl=true). This bulletin identifies the steps to take to address the vulnerability.
Vulnerability Details
CVEID:CVE-2023-44981
**DESCRIPTION:**Apache ZooKeeper could allow a remote attacker to bypass security restrictions, caused by a flaw when SASL Quorum Peer authentication is enabled. By sending a specially crafted request, an attacker could exploit this vulnerability to bypass authorization and allow arbitrary endpoints to join the cluster and begin propagating counterfeit changes.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/268362 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
|---|---|
| IBM Event Streams | 10.0.0-11.3.0 |
Remediation/Fixes
IBM strongly recommends addressing the vulnerability now by upgrading
Upgrade to IBM Event Streams 11.3.1 by following the upgrading and migrating documentation.
Workarounds and Mitigations
None
| CPE | Name | Operator | Version |
|---|---|---|---|
| ibm event streams | ge | 10.0.0 | |
| ibm event streams | le | 11.3.0 |
Related
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
6.7 Medium
AI Score
Confidence
Low
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:P/A:N
0.004 Low
EPSS
Percentile
72.4%