CVE-2019-0065

Junos OS: MX Series: Denial of Service vulnerability in MS-PIC component on MS-MIC or MS-MPC

Description

On MX Series, when the SIP ALG is enabled, receipt of a certain malformed SIP packet may crash the MS-PIC component on MS-MIC or MS-MPC. By continuously sending a crafted SIP packet, an attacker can repeatedly bring down MS-PIC on MS-MIC/MS-MPC causing a sustained Denial of Service. This issue affects Juniper Networks Junos OS on MX Series: 16.1 versions prior to 16.1R7-S5; 16.2 versions prior to 16.2R2-S11; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R3-S3; 17.3 versions prior to 17.3R3-S6 ; 17.4 versions prior to 17.4R2-S8, 17.4R3; 18.1 versions prior to 18.1R3-S3; 18.2 versions prior to 18.2R3; 18.3 versions prior to 18.3R2; 18.4 versions prior to 18.4R2.

Remediation

Solution:

  • The following software releases have been updated to resolve these specific issues: 16.1R7-S5, 16.2R2-S11, 17.1R3, 17.2R3-S3, 17.3R3-S6, 17.4R2-S8, 17.4R3, 18.1R3-S3, 18.2R3, 18.3R2, 18.4R2, 19.1R1, and all subsequent releases.

Workaround:

  • Disable the use of the SIP application layer gateway (ALG) configuration if not needed.
5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.28%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA10964 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-0065?
CVE-2019-0065 has been scored as a medium severity vulnerability.
How to fix CVE-2019-0065?
To fix CVE-2019-0065: The following software releases have been updated to resolve these specific issues: 16.1R7-S5, 16.2R2-S11, 17.1R3, 17.2R3-S3, 17.3R3-S6, 17.4R2-S8, 17.4R3, 18.1R3-S3, 18.2R3, 18.3R2, 18.4R2, 19.1R1, and all subsequent releases.
Is CVE-2019-0065 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-0065 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-0065?
CVE-2019-0065 affects Juniper Networks Junos OS.
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