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Junos J-Web Sajax Remote Code Execution Vulnerability
Information
Severity
Severity
Critical
Family
Family
JunOS Local Security Checks
CVSSv2 Base
CVSSv2 Base
9.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:S/C:C/I:C/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
9 years ago
Modified
Modified
5 years ago
Summary
Remote Code Execution on J-Web
Insight
Insight
Juniper Junos could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by the failure to restrict access to /jsdm/ajax/port.php. If J-Web is enabled, an attacker could send specially-crafted data to execute arbitrary OS commands on the system with root privileges.
Affected Software
Affected Software
Junos OS 10.4, 11.4, 12.1, 12.2 and 12.3.
Detection Method
Detection Method
Checks if a vulnerable OS build is present on the target host.
Solution
Solution
New builds of Junos OS software are available from Juniper. As a workaround disable J-Web.