CVE-2022-30708 : Webmin through 1.991, when the Authentic theme is used, allows remote code execu

Webmin through 1.991, when the Authentic theme is used, allows remote code execution when a user has been manually created (i.e., not created in Virtualmin or Cloudmin). This occurs because settings-editor_write.cgi does not properly restrict the file parameter.

Published 2022-05-15 03:15:07

Updated 2022-05-24 17:19:30

Source MITRE

View at NVD, CVE.org

Vulnerability category: Execute code

Products affected by CVE-2022-30708

Webmin » Webmin
Versions up to, including, (<=) 1.991
cpe:2.3:a:webmin:webmin:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2022-30708

EPSS FAQ

3.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 91 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-30708

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	MITRE
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2022-30708

https://github.com/webmin/webmin/releases

Releases · webmin/webmin · GitHub
Release Notes;Third Party Advisory
https://github.com/webmin/authentic-theme/releases

Releases · webmin/authentic-theme · GitHub
Release Notes;Third Party Advisory
https://github.com/esp0xdeadbeef/rce_webmin/blob/main/exploit.py

rce_webmin/exploit.py at main · esp0xdeadbeef/rce_webmin · GitHub
Exploit;Third Party Advisory
https://webmin.com/changes.html

Webmin
Release Notes;Vendor Advisory
https://github.com/webmin/webmin/issues/1635

RCE and privesc on safe user · Issue #1635 · webmin/webmin · GitHub
Issue Tracking;Third Party Advisory
https://github.com/webmin/webmin/commit/6a2334bf8b27d55c7edf0b2825cd14f3f8a69d4d

Factor out check for root-ish user into a separate function https://g… · webmin/webmin@6a2334b · GitHub
Patch;Third Party Advisory
https://www.twitch.tv/videos/1483029790

Webmin source code analysis ~ 001 - Twitch
Exploit;Third Party Advisory
https://github.com/esp0xdeadbeef/rce_webmin

GitHub - esp0xdeadbeef/rce_webmin: RCE and privilege escalation webmin version 1.991
Exploit;Third Party Advisory

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Vulnerability Details : CVE-2022-30708

Products affected by CVE-2022-30708

Exploit prediction scoring system (EPSS) score for CVE-2022-30708

CVSS scores for CVE-2022-30708

References for CVE-2022-30708