When parsing HTTP/1.x header values, Envoy 1.9.0 and before does not reject embedded zero characters (NUL, ASCII 0x0). This allows remote attackers crafting header values containing embedded NUL characters to potentially bypass header matching rules, gaining access to unauthorized resources.
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2019-04-25T14:55:57

Updated: 2019-11-12T13:27:05

Reserved: 2019-03-21T00:00:00


Link: CVE-2019-9900

JSON object: View

cve-icon NVD Information

Status : Modified

Published: 2019-04-25T15:29:01.497

Modified: 2023-11-07T03:13:48.520


Link: CVE-2019-9900

JSON object: View

cve-icon Redhat Information

No data.

CWE