#VU75095 Improper Check for Unusual or Exceptional Conditions in Juniper Junos OS - CVE-2023-28976
Vulnerability identifier: #VU75095
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:
CWE-ID:
CWE-754
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 improper error handling in the packet forwarding engine (pfe). If specific traffic is received on MX Series and its rate exceeds the respective DDoS protection limit the ingress PFE will crash and restart.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Juniper Junos OS: 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, 19.4, 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, 20.2, 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, 20.4, 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, 21.2R1, 21.2R2, 21.2R3, 21.3R1-S1, 21.3R1-S2, 21.3R2-S1, 21.3R2-S2, 21.3R1, 21.3R2, 21.4R1-S1, 21.4R1-S2, 21.4R2-S1, 21.4R2-S2, 21.4R1, 21.4R2, 22.1R1-S1, 22.1R1-S2, 22.1R1
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.
