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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.

Common Vulnerabilities and Exposures (CVE)