CVE-2021-21335

In the SPNEGO HTTP Authentication Module for nginx (spnego-http-auth-nginx-module) before version 1.1.1 basic Authentication can be bypassed using a malformed username. This affects users of spnego-http-auth-nginx-module that have enabled basic authentication. This is fixed in version 1.1.1 of spnego-http-auth-nginx-module. As a workaround, one may disable basic authentication.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/stnoonan/spnego-http-auth-nginx-module/security/advisories/GHSA-ww8q-72rx-hc54	Patch Third Party Advisory
https://github.com/stnoonan/spnego-http-auth-nginx-module/releases/tag/v1.1.1	Third Party Advisory
https://github.com/stnoonan/spnego-http-auth-nginx-module/commit/a06f9efca373e25328b1c53639a48decd0854570	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:spnego_http_authentication_module_project:spnego_http_authentication_module:*:*:*:*:*:nginx:*:*

Information

Published : 2021-03-08 13:15

Updated : 2021-03-12 06:21

NVD link : CVE-2021-21335

Mitre link : CVE-2021-21335

JSON object : View

CWE

CWE-287

Improper Authentication

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Products Affected

spnego_http_authentication_module_project

spnego_http_authentication_module

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