Riskcovery

CVE-2024-47499

Junos OS and Junos OS Evolved: In a BMP scenario receipt of a malformed AS PATH attribute can cause an RPD crash

State
Published
Severity
8.7 High
Published
Oct 11, 2024
Updated
Oct 11, 2024
Reserved
Sep 25, 2024

Read the record on cve.org

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS).

In a scenario where BGP Monitoring Protocol (BMP) is configured with rib-in pre-policy monitoring, receiving a BGP update with a specifically malformed AS PATH attribute over an established BGP session, can cause an RPD crash and restart.

This issue affects:

Junos OS:

* All versions before 21.2R3-S8, * 21.4 versions before 21.4R3-S8, * 22.2 versions before 22.2R3-S4, * 22.3 versions before 22.3R3-S3, * 22.4 versions before 22.4R3-S2, * 23.2 versions before 23.2R2-S1, * 23.4 versions before 23.4R1-S2, 23.4R2;

Junos OS Evolved:

* All versions before 21.2R3-S8-EVO, * 21.4 versions before 21.4R3-S8-EVO, * 22.2 versions before 22.2R3-S4-EVO, * 22.3 versions before 22.3R3-S3-EVO, * 22.4 versions before 22.4R3-S2-EVO, * 23.2 versions before 23.2R2-S1-EVO, * 23.4 versions before 23.4R1-S2-EVO, 23.4R2-EVO.

Scores

CVSSScoreVectorSource
4.08.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/R:A/RE:Mjuniper
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hjuniper

Weaknesses

  • CWE-754 Improper Check for Unusual or Exceptional Conditions

Affected Products

ProductVersions
Junos OSJuniper Networks
  • before 21.2R3-S8Affected
  • 21.4 to before 21.4R3-S8Affected
  • 22.2 to before 22.2R3-S4Affected
  • 22.3 to before 22.3R3-S3Affected
  • 22.4 to before 22.4R3-S2Affected
  • 23.2 to before 23.2R2-S1Affected
  • 23.4 to before 23.4R1-S2, 23.4R2Affected
Junos OS EvolvedJuniper Networks
  • before 21.2R3-S8-EVOAffected
  • 21.4 to before 21.4R3-S8-EVOAffected
  • 22.2 to before 22.2R3-S4-EVOAffected
  • 22.3 to before 22.3R3-S3-EVOAffected
  • 22.4 to before 22.4R3-S2-EVOAffected
  • 23.2 to before 23.2R2-S1-EVOAffected
  • 23.4 to before 23.4R1-S2-EVO, 23.4R2-EVOAffected

References

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