#VU21722 Input validation error in Juniper Junos OS - CVE-2019-0075


Vulnerability identifier: #VU21722

Vulnerability risk: Medium

CVSSv4.0: 6.6 [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/E:U/U:Green]

CVE-ID: CVE-2019-0075

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Juniper Junos OS
Operating systems & Components / Operating system

Vendor: Juniper Networks, Inc.

Description

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 in the srxpfe process on Protocol Independent Multicast (PIM). A remote attacker can send a specially crafted (PIM) messages, crash the srxpfe process, reboot FPC and cause a denial of service condition. 

Note: This vulnerability affects only Junos OS on SRX Series.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Juniper Junos OS: 12.3X48-D10, 12.3X48-D15, 12.3X48-D20, 12.3X48-D25, 12.3X48-D30, 12.3X48-D35, 12.3X48-D40, 12.3X48-D45, 12.3X48-D50, 12.3X48-D51, 12.3X48-D55, 12.3X48-D60, 12.3X48-D61, 12.3X48-D65, 12.3X48-D66, 12.3X48-D70, 12.3X48-D75, 12.3X48-D76, 12.3X48-D77, 12.3X48-85, 12.3x48, 15.1X49-D10, 15.1X49-D20, 15.1X49-D30, 15.1X49-D35, 15.1X49-D40, 15.1X49-D45, 15.1X49-D50, 15.1X49-D60, 15.1X49-D65, 15.1X49-D70, 15.1X49-D75, 15.1X49-D80, 15.1X49-D90, 15.1X49-D100, 15.1X49-D101, 15.1X49-D110, 15.1X49-D120, 15.1X49-D130, 15.1X49-D131, 15.1X49-D140, 15.1X49-D150, 15.1X49, 17.3R1-S1, 17.3R1-S2, 17.3R1-S3, 17.3R1-S4, 17.3R2-S2, 17.3R2-S4, 17.3R2-S5, 17.3R2-S6, 17.3R3-S1, 17.3R3-S2, 17.3R3-S3, 17.3R3-S4, 17.3R3-S5, 17.3R3-S6, 17.3, 17.3R1, 17.3R2, 17.3R3


External links
https://kb.juniper.net/JSA10976


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


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