CVE-2023-28979

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Juniper NetworksJunos OSunspecified < 19.3R3-S7affected
Juniper NetworksJunos OS19.4 < 19.4R3-S9affected
Juniper NetworksJunos OS20.2 < 20.2R3-S7affected
Juniper NetworksJunos OS20.3 < 20.3R3-S5affected
Juniper NetworksJunos OS20.4 < 20.4R3-S4affected
Juniper NetworksJunos OS21.1 < 21.1R3-S3affected
Juniper NetworksJunos OS21.2 < 21.2R3-S2affected
Juniper NetworksJunos OS21.3 < 21.3R3-S1affected
Juniper NetworksJunos OS21.4 < 21.4R2-S1, 21.4R3affected
Juniper NetworksJunos OS22.1 < 22.1R2affected
Juniper NetworksJunos OS22.2 < 22.2R2affected

Weaknesses

  • CWE-754: CWE-754 Improper Check for Unusual or Exceptional Conditions

Workarounds

There are no known workarounds for this issue.

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References