A Buffer Overflow vulnerability in SIP ALG of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS). On all MX Series and SRX Series platform with SIP ALG enabled, when a malformed SIP packet is received, the flow processing daemon (flowd) will crash and restart. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S2; 21.3 versions prior to 21.3R3-S1; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R1-S2, 22.1R2; 22.2 versions prior to 22.2R1-S1, 22.2R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1 on SRX Series.
Published 2023-01-13 00:15:12
Updated 2023-01-20 15:35:51
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Products affected by CVE-2023-22416

Exploit prediction scoring system (EPSS) score for CVE-2023-22416

0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-22416

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.9
3.6
Juniper Networks, Inc.

CWE ids for CVE-2023-22416

References for CVE-2023-22416

  • https://kb.juniper.net/JSA70212
    2023-01 Security Bulletin: Junos OS: SRX Series: The flowd daemon will crash if SIP ALG is enabled and a malicious SIP packet is received (CVE-2023-22416)
    Vendor Advisory
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