PT-2023-27630 · Phpjabbers · Phpjabbers Event Booking Calendar

Published 2023-08-28 · Updated 2023-08-29 · CVE-2023-40765

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions PHPJabbers Event Booking Calendar version 4.0

Description The issue is related to user enumeration, which occurs during password recovery. A difference in messages could allow an attacker to determine if a user is valid or not, enabling a brute force attack with valid users. This could potentially lead to unauthorized access.

Recommendations For PHPJabbers Event Booking Calendar version 4.0, consider modifying the password recovery mechanism to return generic messages, avoiding the disclosure of user validity. As a temporary workaround, restrict access to the password recovery feature to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Generation of Error Message Containing Sensitive Information

Weakness Enumeration

CWE-209

Related Identifiers

CVE-2023-40765

Affected Products

Phpjabbers Event Booking Calendar

References · 9

• 🔥 https://medium.com/@mfortinsec/multiple-vulnerabilities-in-phpjabbers-part-3-40fc3565982f · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-40765 · Security Note
• https://osv.dev/vulnerability/CVE-2023-40765 · Vendor Advisory
• https://t.me/cibsecurity/69289 · Telegram Post
• https://t.me/cvenotify/57543 · Telegram Post
• https://twitter.com/CVEnew/status/1696150340523983277 · Twitter Post
• https://phpjabbers.com/event-booking-calendar · Note
• https://twitter.com/VulmonFeeds/status/1696172815982964912 · Twitter Post
• https://medium.com/%40mfortinsec/multiple-vulnerabilities-in-phpjabbers-part-3-40fc3565982f · Note