CVE-2023-22417: Junos OS: SRX Series: A memory leak might be observed in IPsec VPN scenario leading to an FPC crash
A Missing Release of Memory after Effective Lifetime vulnerability in the Flow Processing Daemon (flowd) of Juniper Networks Junos OS allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS). In an IPsec VPN environment, a memory leak will be seen if a DH or ECDH group is configured. Eventually the flowd process will crash and restart. This issue affects Juniper Networks Junos OS on SRX Series: All versions prior to 19.3R3-S7; 19.4 versions prior to 19.4R2-S8, 19.4R3-S10; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R2.
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Frequently Asked Questions
What is the severity of CVE-2023-22417?
CVE-2023-22417 is classified as a high severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2023-22417?
To fix CVE-2023-22417, upgrading to an unaffected version of Junos OS as specified in the vendor's advisory is recommended.
What systems are affected by CVE-2023-22417?
CVE-2023-22417 affects multiple versions of Juniper Networks Junos OS, including 19.3, 19.4, 20.2, and newer releases listed in the advisory.
What type of attack is possible with CVE-2023-22417?
An unauthenticated remote attacker can exploit CVE-2023-22417 to trigger a denial of service condition on the affected devices.
Is there a patch available for CVE-2023-22417?
Yes, Juniper Networks has released patches for CVE-2023-22417, which are included in the later versions of Junos OS.