CVE-2024-30395

Junos OS and Junos OS Evolved: A malformed BGP tunnel encapsulation attribute will lead to an rpd crash

State
Published
Severity
8.7 High
Published
Apr 12, 2024
Updated
Aug 2, 2024
Reserved
Mar 26, 2024

Read the record on cve.org

Description

An Improper Validation of Specified Type of Input vulnerability in Routing Protocol Daemon (RPD) of Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause Denial of Service (DoS).

If a BGP update is received over an established BGP session which contains a tunnel encapsulation attribute with a specifically malformed TLV, rpd will crash and restart. This issue affects:

Junos OS:

* all versions before 21.2R3-S7,

* from 21.3 before 21.3R3-S5,

* from 21.4 before 21.4R3-S5,

* from 22.1 before 22.1R3-S5,

* from 22.2 before 22.2R3-S3,

* from 22.3 before 22.3R3-S2,

* from 22.4 before 22.4R3,

* from 23.2 before 23.2R1-S2, 23.2R2.

Junos OS Evolved:

* all versions before 21.2R3-S7-EVO,

* from 21.3-EVO before 21.3R3-S5-EVO,

* from 21.4-EVO before 21.4R3-S5-EVO,  * from 22.2-EVO before 22.2R3-S3-EVO,

* from 22.3-EVO before 22.3R3-S2-EVO,

* from 22.4-EVO before 22.4R3-EVO,

* from 23.2-EVO before 23.2R1-S2-EVO, 23.2R2-EVO.

This is a related but separate issue than the one described in JSA75739

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:Ljuniper
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hjuniper

Weaknesses

  • CWE-1287 Improper Validation of Specified Type of Input

Affected Products

ProductVersions
Junos OSJuniper Networks
  • before 21.2R3-S7Affected
  • 21.3 to before 21.3R3-S5Affected
  • 21.4 to before 21.4R3-S5Affected
  • 22.1 to before 22.1R3-S5Affected
  • 22.2 to before 22.2R3-S3Affected
  • 22.3 to before 22.3R3-S2Affected
  • 22.4 to before 22.4R3Affected
  • 23.2 to before 23.2R1-S2, 23.2R2Affected
Junos OS EvolvedJuniper Networks
  • before 21.2R3-S7-EVOAffected
  • 21.3-EVO to before 21.3R3-S5-EVOAffected
  • 21.4-EVO to before 21.4R3-S5-EVOAffected
  • 22.2-EVO to before 22.2R3-S3-EVOAffected
  • 22.3-EVO to before 22.3R3-S2-EVOAffected
  • 22.4-EVO to before 22.4R3-EVOAffected
  • 23.2-EVO to before 23.2R1-S2-EVO, 23.2R2-EVOAffected

References

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