Desereliazation of untrusted data in Code42 CrashPlan - CVE-2017-9830

 

Desereliazation of untrusted data in Code42 CrashPlan - CVE-2017-9830

Published: April 2, 2018


Vulnerability identifier: #VU11454
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2017-9830
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Code42
Affected software:
Code42 CrashPlan

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists in the org.apache.commons.ssl.rmi.DateRMI Java class due to creating an RMI server that listens on a TCP port and deserializes objects sent by TCP clients. A remote attacker can execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

How to mitigate CVE-2017-9830

Install update from vendor's website.

Sources