IBMD1EC8EE5500281C07398D5FFFBE9808792E79BB420681B137933B969EB6DDF83Security Bulletin: IBM Event Streams is affected by a vulnerability in cURL libcurl (CVE-2023-28321)
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
AI Score
Confidence
Low
EPSS
Percentile
56.5%
Summary
This security vulnerability affects the base image being used to build IBM Event Stream images. (CVE-2023-28321)
Vulnerability Details
CVEID:CVE-2023-28321
**DESCRIPTION:**cURL libcurl could allow a remote attacker to bypass security restrictions, caused by a flaw when listed as “Subject Alternative Name” in TLS server certificates. By sending a specially crafted request, an attacker could exploit this vulnerability to accept mismatch wildcard patterns.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/255625 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
|---|---|
| IBM Event Streams | 10.0.0-11.2.3 |
Remediation/Fixes
IBM strongly recommends addressing the vulnerability now by upgrading
IBM Event Streams (Continuous Delivery)
- Upgrade to IBM Event Streams 11.2.4 by following the upgrading and migrating documentation.
Workarounds and Mitigations
None
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| ibm | event_streams | * | cpe:2.3:a:ibm:event_streams:*:*:*:*:*:*:*:* |
Related
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
AI Score
Confidence
Low
EPSS
Percentile
56.5%