PT-2022-11592 · Unknown · Phpservermon

Published 2022-11-15 · Updated 2023-07-18 · CVE-2021-4240

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions phpservermon (affected versions not specified)

Description A problematic issue was found in phpservermon, affecting the generatePasswordResetToken function of the file src/psm/Service/User.php. The manipulation leads to the use of a predictable algorithm in the random number generator. The exploit has been disclosed to the public and may be used.

Recommendations To fix this issue, it is recommended to apply a patch. Specifically, the patch with the name 3daa804d5f56c55b3ae13bfac368bb84ec632193 should be applied. As a temporary workaround, consider disabling the generatePasswordResetToken function until the patch is applied.

Exploit

Fix

Use of Insufficiently Random Values

Weakness Enumeration

CWE-331

CWE-330

CWE-1241

Related Identifiers

CVE-2021-4240

GHSA-97W9-GCC7-VR8G

Affected Products

Phpservermon

References · 10

• 🔥 https://huntr.dev/bounties/2-phpservermon/phpservermon · Exploit
• https://github.com/phpservermon/phpservermon/commit/3daa804d5f56c55b3ae13bfac368bb84ec632193 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-4240 · Security Note
• https://osv.dev/vulnerability/GHSA-97w9-gcc7-vr8g · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-4240 · Vendor Advisory
• https://github.com/phpservermon/phpservermon · Note
• https://vuldb.com/?id.213717 · Note
• https://t.me/cvenotify/38082 · Telegram Post
• https://t.me/cvenotify/37835 · Telegram Post
• https://t.me/cvenotify/54558 · Telegram Post