Vulnerability Monitor

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CVE-2019-15642

rpc.cgi in Webmin through 1.920 allows authenticated Remote Code Execution via a crafted object name because unserialise_variable makes an eval call. NOTE: the Webmin_Servers_Index documentation states "RPC can be used to run any command or modify any file on a server, which is why access to it must not be granted to un-trusted Webmin users."

Published

2019-08-26T18:15:12.983

Last Modified

2024-11-21T04:29:11.003

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-94

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	webmin	webmin	≤ 1.920	Yes

References

https://doxfer.webmin.com/Webmin/Webmin_Servers_Index Vendor Advisory ([email protected])
https://github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgi#L26-L37 Patch ([email protected])
https://github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c Patch ([email protected])
https://www.calypt.com/blog/index.php/authenticated-rce-on-webmin/ Exploit, Patch, Third Party Advisory ([email protected])
https://doxfer.webmin.com/Webmin/Webmin_Servers_Index Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/webmin/webmin/blob/ab5e00e41ea1ecc1e24b8f8693f3495a0abb1aed/rpc.cgi#L26-L37 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/webmin/webmin/commit/df8a43fb4bdc9c858874f72773bcba597ae9432c Patch (af854a3a-2127-422b-91ae-364da2661108)
https://www.calypt.com/blog/index.php/authenticated-rce-on-webmin/ Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)