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CVE-2019-9900

nvd nist
Published: Apr 25, 2019Modified: Nov 21, 2024

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8.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Exploitability: 3.9 / Impact: 3.7
Source: NVD

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.

Affected (2)

Envoyproxy
1 product
Envoy
Redhat
1 product
Openshift Service Mesh
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Envoy
Up to 1.9.0
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Openshift Service Mesh
All versions

Related CWEs

CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

References (10)

Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
ExploitIssue TrackingThird Party Advisory
Source: cve@mitre.org
ExploitMitigationThird Party Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitMitigationThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory

Timeline

No history available yet.