#VU78283 Input validation error in Juniper Junos OS - CVE-2023-36848
Vulnerability identifier: #VU78283
Vulnerability risk: Medium
CVSSv4.0: 4.9 [CVSS:4.0/AV:A/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:
CWE-ID:
CWE-20
Exploitation vector: Local 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 periodic packet management daemon (PPMD) of Juniper Networks Junos OS on MX Series(except MPC10, MPC11 and LC9600). A remote attacker on the local network can send a malformed CFM packet to the affected device and crash the FPC.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Juniper Junos OS: 19.1R1-S1, 19.1R1-S2, 19.1R1-S3, 19.1R1-S4, 19.1R1-S5, 19.1R1-S6, 19.1R2-S1, 19.1R2-S2, 19.1R2-S3, 19.1R3-S1, 19.1R3-S2, 19.1R3-S3, 19.1R3-S4, 19.1R3-S5, 19.1R3-S6, 19.1R3-S7, 19.1R3-S8, 19.1R3-S9, 19.1, 19.1R, 19.1R1, 19.1R2, 19.1R3, 19.2R1-S1, 19.2R1-S2, 19.2R1-S3, 19.2R1-S4, 19.2R1-S5, 19.2R1-S6, 19.2R1-S7, 19.2R1-S8, 19.2R1-S9, 19.2R2-S1, 19.2R3-S1, 19.2R3-S2, 19.2R3-S3, 19.2R3-S4, 19.2R3-S5, 19.2R3-S6, 19.2, 19.2R1, 19.2R2, 19.2R3, 19.3R1-S1, 19.3R2-S1, 19.3R2-S2, 19.3R2-S3, 19.3R2-S4, 19.3R2-S5, 19.3R2-S6, 19.3R2-S7, 19.3R3-S1, 19.3R3-S2, 19.3R3-S3, 19.3R3-S4, 19.3R3-S5, 19.3R3-S6, 19.3R3-S7, 19.3, 19.3R1, 19.3R2, 19.3R3, 19.4R1-S1, 19.4R1-S2, 19.4R1-S3, 19.4R1-S4, 19.4R2-S1, 19.4R2-S2, 19.4R2-S3, 19.4R2-S4, 19.4R2-S5, 19.4R2-S6, 19.4R2-S7, 19.4R2-S8, 19.4R3-S1, 19.4R3-S2, 19.4R3-S3, 19.4R3-S4, 19.4R3-S5, 19.4R3-S6, 19.4R3-S7, 19.4R3-S8, 19.4R3-S9, 19.4R3-S10, 19.4R3-S11, 19.4, 19.4R1, 19.4R2, 19.4R3, 20.2R1-S1, 20.2R1-S2, 20.2R1-S3, 20.2R2-S1, 20.2R2-S2, 20.2R2-S3, 20.2R3-S1, 20.2R3-S2, 20.2R3-S3, 20.2R3-S4, 20.2R3-S5, 20.2R3-S6, 20.2R3-S7, 20.2, 20.2R1, 20.2R2, 20.2R3, 20.4R1-S1, 20.4R2-S1, 20.4R2-S2, 20.4R3-S1, 20.4R3-S2, 20.4R3-S3, 20.4R3-S4, 20.4R3-S5, 20.4R3-S6, 20.4, 20.4R1, 20.4R2, 20.4R3, 21.1R1-S1, 21.1R2-S1, 21.1R2-S2, 21.1R3-S1, 21.1R3-S2, 21.1R3-S3, 21.1R3-S4, 21.1, 21.1R1, 21.1R2, 21.1R3, 21.2R1-S1, 21.2R1-S2, 21.2R2-S1, 21.2R2-S2, 21.2R3-S1, 21.2R3-S2, 21.2R3-S3, 21.2R3-S4, 21.2R1, 21.2R2, 21.2R3, 21.3R1-S1, 21.3R1-S2, 21.3R2-S1, 21.3R2-S2, 21.3R3-S1, 21.3R3-S2, 21.3R3-S3, 21.3R1, 21.3R2, 21.3R3, 21.4R1-S1, 21.4R1-S2, 21.4R2-S1, 21.4R2-S2, 21.4R3-S1, 21.4R3-S2, 21.4R3-S3, 21.4R1, 21.4R2, 21.4R3, 22.1R1-S1, 22.1R1-S2, 22.1R2-S1, 22.1R2-S2, 22.1R3-S1, 22.1R3-S2, 22.1R1, 22.1R2, 22.1R3, 22.2R1-S1, 22.2R1-S2, 22.2R2-S1, 22.2R2-S2, 22.2R1, 22.2R2, 22.2R3, 22.3R1-S1, 22.3R1-S2, 22.3R2-S1, 22.3R2-S2, 22.3R1, 22.3R2, 22.4R1-S1, 22.4R1
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
