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Juniper Junos OS: 2019-10 Security Bulletin: Junos OS: SRX Series: Denial of Service vulnerability in flowd due to multicast packets (JSA10968) (CVE-2019-0068)

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Juniper Junos OS: 2019-10 Security Bulletin: Junos OS: SRX Series: Denial of Service vulnerability in flowd due to multicast packets (JSA10968) (CVE-2019-0068)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
10/10/2019
Created
10/12/2019
Added
10/10/2019
Modified
10/21/2019

Description

The SRX flowd process, responsible for packet forwarding, may crash and restart when processing specific multicast packets. By continuously sending the specific multicast packets, an attacker can repeatedly crash the flowd process causing a sustained Denial of Service. This issue affects Juniper Networks Junos OS on SRX Series: 12.3X48 versions prior to 12.3X48-D90; 15.1X49 versions prior to 15.1X49-D180; 17.3 versions; 17.4 versions prior to 17.4R2-S5, 17.4R3; 18.1 versions prior to 18.1R3-S6; 18.2 versions prior to 18.2R2-S4, 18.2R3; 18.3 versions prior to 18.3R2-S1, 18.3R3; 18.4 versions prior to 18.4R2; 19.1 versions prior to 19.1R1-S1, 19.1R2.

Solution(s)

  • juniper-junos-os-upgrade-latest

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