CVE-2022-30935

CVSS V2 None CVSS V3 Critical 9.1

Description

An authorization bypass in b2evolution allows remote, unauthenticated attackers to predict password reset tokens for any user through the use of a bad randomness function. This allows the attacker to get valid sessions for arbitrary users, and optionally reset their password. Tested and confirmed in a default installation of version 7.2.3. Earlier versions are affected, possibly earlier major versions as well.

Overview

CVE ID
CVE-2022-30935

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2022-09-28T11:15:09

Last Modified Date
2022-09-30T13:35:31

Weakness Enumerations

CWE	URL
CWE-330	http://cwe.mitre.org/data/definitions/330.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:b2evolution:b2evolution::::::::	1	OR		7.2.5

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
NONE

Base Score
9.1

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.2

References

Reference URL	Reference Tags
https://b2evolution.net/downloads/7-2-5-stable
https://github.com/b2evolution/b2evolution/blob/master/inc/_core/_misc.funcs.php#L5955
https://github.com/b2evolution/b2evolution/issues/114

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-30935
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-30935

History

Created	Old Value	New Value	Data Type	Notes
2022-09-28 12:00:07				Added to TrackCVE
2022-12-07 05:03:31	2022-09-28T11:15Z	2022-09-28T11:15:09	CVE Published Date	updated
2022-12-07 05:03:31		2022-09-30T13:35:31	CVE Modified Date	updated
2022-12-07 05:03:31		Analyzed	Vulnerability Status	updated