Security Advisory

CVE-2019-9900

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2019-04-25 14:55:57

Last updated 2024-08-04 22:01:55

Assigner mitre

CVSS score 6.5

State PUBLISHED

Description

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.

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