Input validation error in Junos OS - CVE-2019-0065
Published: October 14, 2019
Vulnerability identifier: #VU21757
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-0065
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing SIP packets. A remote attacker can send a specially crafted SIP packet, crash the MS-PIC component on MS-MIC or MS-MPC and cause a sustained denial of service condition on the target sysem.
Note: This issue affects Junos OS on MX Series when the SIP ALG is enabled.
Affected software
Junos OS
How to mitigate CVE-2019-0065
Install updates from vendor's website.
Junos OS - addressed in versions 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