Arbitrary code execution - CVE-2016-4391
Published: October 20, 2016 / Updated: October 24, 2016
Vulnerability identifier: #VU1044
CSH Severity: High
CVSS v4: 9.3 [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]
CVE-ID: CVE-2016-4391
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote unauthenticated user to execute arbitrary code on the target system.
The weakness is due to insufficient input validation that lets attackers to execute arbitrary code.
Successful exploitation of the vulnerability results in arbitrary code excution on the vulnerable system.
The weakness is due to insufficient input validation that lets attackers to execute arbitrary code.
Successful exploitation of the vulnerability results in arbitrary code excution on the vulnerable system.
Affected software
openEuler
rubygem-rack
rubygem-rack-help
rubygem-rack
rubygem-rack-help
How to mitigate CVE-2016-4391
Update to version 7.0.3.
rubygem-rack - update to 2.2.3.1-4
rubygem-rack-help - update to 2.2.3.1-4
rubygem-rack-help - update to 2.2.3.1-4