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Junos SRX and J-Series BIND DoS Vulnerability

Information

Severity

Severity

High

Family

Family

JunOS Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

8 years ago

Modified

Modified

5 years ago

Summary

Junos OS BIND on SRX-Series and J-Series is prone to a Denial of Service vulnerability.

Insight

Insight

A vulnerability in ISC BIND's handling of queries for TKEY records may allow remote attackers to terminate the daemon process on an assertion failure. This issue affects only SRX-Series and J-Series configured with DNS Proxy server services enabled. This issue can affect both standalone and HA configurations.

Affected Software

Affected Software

Junos OS 12.1, 12.3, 13.2, 13.3, 14.1, 14.2 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 the DNS proxy.

Common Vulnerabilities and Exposures (CVE)