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Junos Buffer Overflow Vulnerability
Information
Severity
Severity
High
Family
Family
JunOS Local Security Checks
CVSSv2 Base
CVSSv2 Base
7.2
CVSSv2 Vector
CVSSv2 Vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
7 years ago
Modified
Modified
5 years ago
Summary
Junos OS is prone to a buffer overflow vulnerability in the keyboard driver.
Insight
Insight
Incorrect signedness comparison in the ioctl handler allows a malicious local user to overwrite a portion of the kernel memory. A local user may crash the kernel, read a portion of kernel memory and execute arbitrary code in kernel context.
Affected Software
Affected Software
Junos OS 12.3X48, 14.1, 14.2, 15.1 and 16.1.
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.