CVE-2022-22216

Junos OS: PTX Series and QFX10000 Series: 'Etherleak' memory disclosure in Ethernet padding data

Description

An Exposure of Sensitive Information to an Unauthorized Actor vulnerability in the PFE of Juniper Networks Junos OS on PTX Series and QFX10k Series allows an adjacent unauthenticated attacker to gain access to sensitive information. PTX1000 and PTX10000 Series, and QFX10000 Series and PTX5000 Series devices sometimes do not reliably pad Ethernet packets, and thus some packets can contain fragments of system memory or data from previous packets. This issue is also known as 'Etherleak' and often detected as CVE-2003-0001. This issue affects: Juniper Networks Junos OS on PTX1000 and PTX10000 Series: All versions prior to 18.4R3-S11; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R2-S5, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R2-S1, 21.1R3; 21.2 versions prior to 21.2R1-S1, 21.2R2. Juniper Networks Junos OS on QFX10000 Series and PTX5000 Series: All versions prior to 18.3R3-S6; 18.4 versions prior to 18.4R2-S9, 18.4R3-S10; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S8, 19.2R3-S4; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R2-S6, 19.4R3-S6; 20.1 versions prior to 20.1R3-S2; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R2-S1, 21.1R3; 21.2 versions prior to 21.2R2.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue for Junos OS on PTX1000 and PTX10000 Series: 18.4R3-S11, 19.1R2-S3, 19.1R3-S7, 19.2R1-S8, 19.2R3-S4, 19.3R3-S4, 19.4R2-S5, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S2, 20.4R3-S4, 21.1R2-S1, 21.1R3, 21.2R1-S1, 21.2R2, 21.2R3, 21.3R1, and all subsequent releases. The following software releases have been updated to resolve this specific issue for Junos OS on QFX10000 Series and PTX5000 Series: 18.3R3-S6 ,18.4R2-S9, 18.4R3-S10, 19.1R2-S3, 19.1R3-S7, 19.2R1-S8, 19.2R3-S4, 19.3R3-S4, 19.4R2-S6, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S1, 20.4R3-S1, 21.1R2-S1, 21.1R3, 21.2R2, 21.2R3, 21.3R1, and all subsequent releases.

Workaround:

  • There are no known workarounds for this issue.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.14%
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS
Published at:
Updated at:

References

Link Tags
https://kb.juniper.net/JSA69720 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-22216?
CVE-2022-22216 has been scored as a medium severity vulnerability.
How to fix CVE-2022-22216?
To fix CVE-2022-22216: The following software releases have been updated to resolve this specific issue for Junos OS on PTX1000 and PTX10000 Series: 18.4R3-S11, 19.1R2-S3, 19.1R3-S7, 19.2R1-S8, 19.2R3-S4, 19.3R3-S4, 19.4R2-S5, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S2, 20.4R3-S4, 21.1R2-S1, 21.1R3, 21.2R1-S1, 21.2R2, 21.2R3, 21.3R1, and all subsequent releases. The following software releases have been updated to resolve this specific issue for Junos OS on QFX10000 Series and PTX5000 Series: 18.3R3-S6 ,18.4R2-S9, 18.4R3-S10, 19.1R2-S3, 19.1R3-S7, 19.2R1-S8, 19.2R3-S4, 19.3R3-S4, 19.4R2-S6, 19.4R3-S6, 20.1R3-S2, 20.2R3-S3, 20.3R3-S1, 20.4R3-S1, 21.1R2-S1, 21.1R3, 21.2R2, 21.2R3, 21.3R1, and all subsequent releases.
Is CVE-2022-22216 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-22216 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-22216?
CVE-2022-22216 affects Juniper Networks Junos OS, Juniper Networks Junos OS.
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