Riskcovery

CVE-2022-22163

Junos OS: jdhcpd crashes upon receipt of a specific DHCPv6 packet

State
Published
Severity
7.4 High
Published
Jan 19, 2022
Updated
Sep 16, 2024
Reserved
Dec 21, 2021

Read the record on cve.org

Description

An Improper Input Validation vulnerability in the Juniper DHCP daemon (jdhcpd) of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a crash of jdhcpd and thereby a Denial of Service (DoS). If a device is configured as DHCPv6 local server and persistent storage is enabled, jdhcpd will crash when receiving a specific DHCPv6 message. This issue affects: Juniper Networks Junos OS All versions prior to 15.1R7-S11; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R2-S3, 19.1R3-S7; 19.2 versions prior to 19.2R1-S8, 19.2R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3-S1; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2; 21.2 versions prior to 21.2R2.

Scores

CVSSScoreVectorSource
3.17.4 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hjuniper

Weaknesses

  • CWE-20 Improper Input Validation

Affected Products

ProductVersions
Junos OSJuniper Networks
  • before 15.1R7-S11Affected
  • 18.4 to before 18.4R3-S9Affected
  • 19.1 to before 19.1R2-S3, 19.1R3-S7Affected
  • 19.2 to before 19.2R1-S8, 19.2R3-S3Affected
  • 19.4 to before 19.4R3-S5Affected
  • 20.1 to before 20.1R3-S1Affected
  • 20.2 to before 20.2R3-S2Affected
  • 20.3 to before 20.3R3-S1Affected
  • 20.4 to before 20.4R3Affected
  • 21.1 to before 21.1R2Affected
  • 21.2 to before 21.2R2Affected

References

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