vulnerability
Juniper Junos OS: 2020-07 Security Bulletin: Junos OS: MX Series: Services card might restart when DNS filtering is enabled (JSA11028) (CVE-2020-1645)
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Jul 9, 2020 | Jul 9, 2020 | Mar 21, 2022 |
Description
When DNS filtering is enabled on Juniper Networks Junos MX Series with one of the following cards MS-PIC, MS-MIC or MS-MPC, an incoming stream of packets processed by the Multiservices PIC Management Daemon (mspmand) process, responsible for managing "URL Filtering service", may crash, causing the Services PIC to restart. While the Services PIC is restarting, all PIC services including DNS filtering service (DNS sink holing) will be bypassed until the Services PIC completes its boot process. If the issue occurs, system core-dumps output will show a crash of mspmand process: root@device> show system core-dumps -rw-rw---- 1 nobody wheel 575685123 /var/tmp/pics/mspmand.core.
Solution

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