A vulnerability has been found in Juniper Junos OS (Router Operating System) (affected version unknown) and classified as critical. Affected by this vulnerability is some unknown functionality of the component Flexible PIC Concentrator. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The software does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. The summary by CVE is:

A Missing Release of Memory after Effective Lifetime vulnerability in Flexible PIC Concentrator (FPC) of Juniper Networks Junos OS allows an adjacent, unauthenticated attacker from the same shared physical or logical network, to cause a heap memory leak and leading to FPC crash. On all Junos PTX Series and QFX10000 Series, when specific EVPN VXLAN Multicast packets are processed, an FPC heap memory leak is observed. The FPC memory usage can be monitored using the CLI command "show heap extensive". Following is an example output. ID Base Total(b) Free(b) Used(b) % Name Peak used % -- -------- --------- --------- --------- --- ----------- ----------- 0 37dcf000 3221225472 1694526368 1526699104 47 Kernel 47 1 17dcf000 1048576 1048576 0 0 TOE DMA 0 2 17ecf000 1048576 1048576 0 0 DMA 0 3 17fcf000 534773760 280968336 253805424 47 Packet DMA 47 This issue affects: Juniper Networks Junos OS PTX Series and QFX10000 Series 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S3; 21.2 versions prior to 21.2R3-S1; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2; 22.2 versions prior to 22.2R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.1R1 on PTX Series and QFX10000 Series.

The weakness was disclosed 01/13/2023 as JSA70210. It is possible to read the advisory at kb.juniper.net. This vulnerability is known as CVE-2023-22414 since 12/27/2022. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/13/2023).

Upgrading eliminates this vulnerability.

Productinfo

Type

• Router Operating System

Vendor

• Juniper

Name

• Junos OS

License

• commercial

CPE 2.3info

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CPE 2.2info

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