On October 11, 2023, cURL released Version 8.4.0 of the cURL utility and the libcurl library. This release addressed two security vulnerabilities: CVE-2023-38545 - High Security Impact Rating (SIR) CVE-2023-38546 - Low SIR This advisory covers CVE-2023-38545 only. For more information about this vulnerability, see the cURL advisory. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-curl-libcurl-D9ds39cV
On October 11, 2023, cURL released Version 8.4.0 of the cURL utility and the libcurl library. This release addressed two security vulnerabilities:
This advisory covers CVE-2023-38545 only. For more information about this vulnerability, see the cURL advisory.
This advisory is available at the following link:
Cisco investigated its product line to determine which products may be affected by this vulnerability.
This advisory only lists Cisco products and services that are known to include the impacted software component and thus may be vulnerable. Products and services that do not contain the impacted software component are not vulnerable and therefore are not listed in this advisory. Any Cisco product or service that is not explicitly listed in the Affected Products section of this advisory is not affected by the vulnerability described.
Currently, no products are known to be affected by this vulnerability.
Only products listed in the Vulnerable Products section of this advisory are known to be affected by this vulnerability.
Cisco has confirmed that this vulnerability does not affect the following Cisco products:
Endpoint Clients and Client Software
Network and Content Security Devices
Routing and Switching - Enterprise and Service Provider
Network Management and Provisioning
Voice and Unified Communications Devices
Unified Computing
There are no workarounds that address this vulnerability.
When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories page, to determine exposure and a complete upgrade solution.
In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers.
The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
This vulnerability was publicly disclosed by cURL maintainers on October 11, 2023.
To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
| Version | Description | Section | Status | Date |
|---|---|---|---|---|
| 1.4 | Changed the advisory status to Final. Updated Affected Products to indicate that the investigation is closed. | Header, Affected Products | Final | 2023-NOV-08 |
| 1.3 | Removed the Products Under Investigation section and updated the list of products confirmed not vulnerable. | Affected Products | Interim | 2023-OCT-31 |
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