IBMCA82BCB5F77CE833D84929ED1AF643F71544C58E8BD6B424FDF1DC09C1566E77Security Bulletin: IBM Event Processing contains a vulnerability in Netty (CVE-2023-34462)
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
45.7%
Summary
Operator of IBM Event Processing contains a vulnerability in Netty(< 4.1.94) (CVE-2023-34462)
Vulnerability Details
CVEID:CVE-2023-34462
**DESCRIPTION:**Netty is vulnerable to a denial of service, caused by a flaw with allocating up to 16MB of heap for each channel during the TLS handshake the SniHandler class. By sending a specially crafted client hello packet, a remote authenticated attacker could exploit this vulnerability to cause a OutOfMemoryError and so result in a denial of service condition.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258713 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/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 to 1.0.2 |
Remediation/Fixes
IBM strongly recommends addressing the vulnerability now by upgrading
Upgrade to IBM Event Processing 1.0.3 by following the upgrading and migrating documentation.
Workarounds and Mitigations
None
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| ibm event automation | eq | any |
Related
6.5 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
45.7%