HAProxy before 2.7.3 may allow a bypass of access control because HTTP/1 headers are inadvertently lost in some situations, aka "request smuggling." The HTTP header parsers in HAProxy may accept empty header field names, which could be used to truncate the list of HTTP headers and thus make some headers disappear after being parsed and processed for HTTP/1.0 and HTTP/1.1. For HTTP/2 and HTTP/3, the impact is limited because the headers disappear before being parsed and processed, as if they had not been sent by the client. The fixed versions are 2.7.3, 2.6.9, 2.5.12, 2.4.22, 2.2.29, and 2.0.31.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2023-02-14T00:00:00
Updated: 2024-08-02T11:32:11.848Z
Reserved: 2023-02-13T00:00:00
Link: CVE-2023-25725
Vulnrichment
No data.
NVD
Status : Modified
Published: 2023-02-14T19:15:11.530
Modified: 2024-11-21T07:50:01.400
Link: CVE-2023-25725
Redhat