CVE-2021-3116

before_upstream_connection in AuthPlugin in http/proxy/auth.py in proxy.py before 2.3.1 accepts incorrect Proxy-Authorization header data because of a boolean confusion (and versus or).

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://cardaci.xyz/advisories/2021/01/10/proxy.py-2.3.0-broken-basic-authentication/	Exploit Third Party Advisory
https://github.com/abhinavsingh/proxy.py/pull/482/commits/9b00093288237f5073c403f2c4f62acfdfa8ed46	Patch
https://pypi.org/project/proxy.py/2.3.1/#history	Product
https://cardaci.xyz/advisories/2021/01/10/proxy.py-2.3.0-broken-basic-authentication/	Exploit Third Party Advisory
https://github.com/abhinavsingh/proxy.py/pull/482/commits/9b00093288237f5073c403f2c4f62acfdfa8ed46	Patch
https://pypi.org/project/proxy.py/2.3.1/#history	Product

Configurations

Configuration 1 (hide)

cpe:2.3:a:proxy.py_project:proxy.py:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-01-11 05:15

Updated : 2024-11-21 06:20

NVD link : CVE-2021-3116

Mitre link : CVE-2021-3116

CVE.ORG link : CVE-2021-3116

JSON object : View

Products Affected

proxy.py_project

proxy.py

CWE

CWE-697

Incorrect Comparison

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