Improper Authentication in Webmin - CVE-2012-2983
Published: September 11, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43568
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2012-2983
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Webmin
Affected software:
Webmin
Webmin
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
file/edit_html.cgi in Webmin 1.590 and earlier does not perform an authorization check before showing a file's unedited contents, which allows remote attackers to read arbitrary files via the file field.
How to mitigate CVE-2012-2983
Install update from vendor's website.
Sources
- http://americaninfosec.com/research/index.html
- http://www.americaninfosec.com/research/dossiers/AISG-12-002.pdf
- http://www.kb.cert.org/vuls/id/788478
- http://www.securitytracker.com/id?1027507
- http://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf
- https://github.com/webmin/webmin/commit/4cd7bad70e23e4e19be8ccf7b9f245445b2b3b80