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Palo Alto PAN-OS Kernel Vulnerability
Information
Severity
Severity
Medium
Family
Family
Palo Alto PAN-OS Local Security Checks
CVSSv2 Base
CVSSv2 Base
5.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:N/C:N/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
6 years ago
Modified
Modified
5 years ago
Summary
A vulnerability exists in the kernel of PAN-OS that may result in Information Disclosure.
Insight
Insight
The challenge ACK rate limiting in the kernel's networking subsystem may allow an off-path attacker to leak certain information about a given connection by creating congestion on the global challenge ACK rate limit counter and then measuring the changes by probing packets.
Affected Software
Affected Software
PAN-OS 6.1, PAN-OS 7.0.15 and earlier, PAN-OS 7.1.9 and earlier.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to PAN-OS 7.0.16, 7.1.10 or later.