Skip to content

SimpleGeo python-oauth2 vulnerable to the use of Insufficiently Random Values to generate nonces

Low severity GitHub Reviewed Published May 17, 2022 to the GitHub Advisory Database • Updated Aug 29, 2023

Package

pip oauth2 (pip)

Affected versions

< 1.9rc1

Patched versions

1.9rc1

Description

The (1) make_nonce, (2) generate_nonce, and (3) generate_verifier functions in SimpleGeo python-oauth2 uses weak random numbers to generate nonces, which makes it easier for remote attackers to guess the nonce via a brute force attack.

References

Published by the National Vulnerability Database May 20, 2014
Published to the GitHub Advisory Database May 17, 2022
Last updated Aug 29, 2023
Reviewed Aug 29, 2023

Severity

Low

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS score

0.260%
(66th percentile)

Weaknesses

CVE ID

CVE-2013-4347

GHSA ID

GHSA-rv8h-p43r-4x5r

Source code

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.