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Junos SRX RTSP DoS Vulnerability
Information
Severity
Severity
Medium
Family
Family
JunOS Local Security Checks
CVSSv2 Base
CVSSv2 Base
4.3
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
8 years ago
Modified
Modified
5 years ago
Summary
Junos OS on SRX Series is prone to a Denial of Service vulnerability in flowd.
Insight
Insight
On all SRX-Series devices, when the RTSP ALG is enabled, a certain crafted RTSP packet might cause the flowd process to crash, halting or interrupting traffic from flowing through the device. RTSP ALG is enabled by default on branch SRX platforms and disabled by default on high-end SRX platforms.
Affected Software
Affected Software
Junos OS 12.1, 12.3 and 15.1
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. As a workaround disable RTSP ALG services.