CVE-2023-27536
Medium
Description
An authentication bypass vulnerability exists libcurl <8.0.0 in the connection reuse feature which can reuse previously established connections with incorrect user permissions due to a failure to check for changes in the CURLOPT_GSSAPI_DELEGATION option. This vulnerability affects krb5/kerberos/negotiate/GSSAPI transfers and could potentially result in unauthorized access to sensitive information. The safest option is to not reuse connections if the CURLOPT_GSSAPI_DELEGATION option has been changed.
SeverityMedium
CVSS5.9
Exploit probability—
Product
Haxx Libcurl
PublishedMar 30, 2023
First seenMar 30, 2023
Weakness typeCWE-305CWE-305
How to fix
Update
- splunk universal_forwarder8.2.12, 9.0.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| haxx libcurl | 7.22.0 ≤ v ≤ 7.88.1 | — |
| fedoraproject fedora | 36 | — |
| debian debian_linux | 10.0 | — |
| netapp active_iq_unified_manager | No range specified | — |
| netapp h300s_firmware | No range specified | — |
| netapp h500s_firmware | No range specified | — |
| netapp h700s_firmware | No range specified | — |
| netapp h410s_firmware | No range specified | — |
| netapp ontap | 9 | — |
| splunk universal_forwarder | 8.2.0 ≤ v < 8.2.12, 9.0.0 ≤ v < 9.0.6, 9.1.0 | 8.2.12, 9.0.6 |
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