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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2024-21598

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

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Status
Published
Published
Updated
Assigning organization
juniper

Description

An Improper Validation of Syntactic Correctness of Input vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows a network-based, unauthenticated attacker to cause a 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 Juniper Networks Junos OS: * 20.4 versions 20.4R1 and later versions earlier than 20.4R3-S9; * 21.2 versions earlier than 21.2R3-S7; * 21.3 versions earlier than 21.3R3-S5; * 21.4 versions earlier than 21.4R3-S5; * 22.1 versions earlier than 22.1R3-S4; * 22.2 versions earlier than 22.2R3-S3; * 22.3 versions earlier than 22.3R3-S1; * 22.4 versions earlier than 22.4R3; * 23.2 versions earlier than 23.2R1-S2, 23.2R2; Junos OS Evolved: * 20.4-EVO versions 20.4R1-EVO and later versions earlier than 20.4R3-S9-EVO; * 21.2-EVO versions earlier than 21.2R3-S7-EVO; * 21.3-EVO versions earlier than 21.3R3-S5-EVO; * 21.4-EVO versions earlier than 21.4R3-S5-EVO; * 22.1-EVO versions earlier than 22.1R3-S4-EVO; * 22.2-EVO versions earlier than 22.2R3-S3-EVO; * 22.3-EVO versions earlier than 22.3R3-S1-EVO; * 22.4-EVO versions earlier than 22.4R3-EVO; * 23.2-EVO versions earlier than 23.2R1-S2-EVO, 23.2R2-EVO; This issue does not affect Juniper Networks * Junos OS versions earlier than 20.4R1; * Junos OS Evolved versions earlier than 20.4R1-EVO. This is a related but separate issue than the one described in JSA79095.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Juniper Networks Junos OS

Default version status: unaffected

  • 20.4 to < 20.4R3-S9affected
  • 21.2 to < 21.2R3-S7affected
  • 21.3 to < 21.3R3-S5affected
  • 21.4 to < 21.4R3-S5affected
  • 22.1 to < 22.1R3-S4affected
  • 22.2 to < 22.2R3-S3affected
  • 22.3 to < 22.3R3-S1affected
  • 22.4 to < 22.4R3affected
  • 23.2 to < 23.2R1-S2, 23.2R2affected

Juniper Networks Junos OS Evolved

Default version status: unaffected

  • 20.4-EVO to < 20.4R3-S9-EVOaffected
  • 21.2-EVO to < 21.2R3-S7-EVOaffected
  • 21.3-EVO to < 21.3R3-S5-EVOaffected
  • 21.4-EVO to < 21.4R3-S5-EVOaffected
  • 22.1-EVO to < 22.1R3-S4-EVOaffected
  • 22.2-EVO to < 22.2R3-S3-EVOaffected
  • 22.3-EVO to < 22.3R3-S1-EVOaffected
  • 22.4-EVO to < 22.4R3-EVOaffected
  • 23.2-EVO to < 23.2R1-S2-EVO, 23.2R2-EVOaffected

References