Riskcovery

CVE-2023-28979

Junos OS: In a 6PE scenario upon receipt of a specific IPv6 packet an integrity check fails

State
Published
Severity
4.7 Medium
Published
Apr 17, 2023
Updated
Feb 26, 2025
Reserved
Mar 29, 2023

Read the record on cve.org

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to bypass an integrity check. In a 6PE scenario and if an additional integrity check is configured, it will fail to drop specific malformed IPv6 packets, and then these packets will be forwarded to other connected networks. This issue affects Juniper Networks Junos OS: All versions prior to 19.3R3-S7; 19.4 versions prior to 19.4R3-S9; 20.2 versions prior to 20.2R3-S7; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S3; 21.2 versions prior to 21.2R3-S2; 21.3 versions prior to 21.3R3-S1; 21.4 versions prior to 21.4R2-S1, 21.4R3; 22.1 versions prior to 22.1R2; 22.2 versions prior to 22.2R2.

Scores

CVSSScoreVectorSource
3.14.7 MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:Njuniper

Weaknesses

  • CWE-754 Improper Check for Unusual or Exceptional Conditions

Affected Products

ProductVersions
Junos OSJuniper Networks
  • before 19.3R3-S7Affected
  • 19.4 to before 19.4R3-S9Affected
  • 20.2 to before 20.2R3-S7Affected
  • 20.3 to before 20.3R3-S5Affected
  • 20.4 to before 20.4R3-S4Affected
  • 21.1 to before 21.1R3-S3Affected
  • 21.2 to before 21.2R3-S2Affected
  • 21.3 to before 21.3R3-S1Affected
  • 21.4 to before 21.4R2-S1, 21.4R3Affected
  • 22.1 to before 22.1R2Affected
  • 22.2 to before 22.2R2Affected

References

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