#VU43567 Input validation error in Webmin - CVE-2012-2982

Vulnerability identifier: #VU43567

Vulnerability risk: Low

CVSSv4.0: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2012-2982

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Webmin
Web applications / Remote management & hosting panels

Vendor: Webmin

Description

The vulnerability allows a remote #AU# to read and manipulate data.

file/show.cgi in Webmin 1.590 and earlier allows remote authenticated users to execute arbitrary commands via an invalid character in a pathname, as demonstrated by a | (pipe) character.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Webmin: 1.140 - 1.580

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External links
https://americaninfosec.com/research/index.html
https://www.americaninfosec.com/research/dossiers/AISG-12-001.pdf
https://www.kb.cert.org/vuls/id/788478
https://www.securitytracker.com/id?1027507
https://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf
https://github.com/webmin/webmin/commit/1f1411fe7404ec3ac03e803cfa7e01515e71a213

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.