IBME56482F5C6694C66C649368CA7FBE27457989A2AB8CC71E317F19F2D1C52F293Security Bulletin: IBM Event Processing is vulnerable to a denial of service (CVE-2023-4043).
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.0004 Low
EPSS
Percentile
10.5%
Summary
IBM Event Processing is vulnerable to a denial of service due to parsson-1.1.2.jar component. Parsson provides an implementation of Jakarta JSON Processing Specification.
Vulnerability Details
CVEID:CVE-2023-4043
**DESCRIPTION:**Eclipse Parsson is vulnerable to a denial of service, caused by a flaw when processing a large value in BigDecimal. By sending a specially crafted input using Json.createArrayBuilder().add(data), a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/270528 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
|---|---|
| IBM Event Processing | 1.0.0-1.1.0 |
Remediation/Fixes
IBM strongly recommends addressing the vulnerability now by upgrading
Upgrade to IBM Event Processing 1.1.1 by following the upgrading and migrating documentation.
Workarounds and Mitigations
None
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| ibm event automation | eq | any |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.0004 Low
EPSS
Percentile
10.5%