CVE-2021-0281 (GCVE-0-2021-0281)

Vulnerability from cvelistv5 – Published: 2021-07-15 20:00 – Updated: 2024-09-16 18:08
VLAI?
Title
Junos OS and Junos OS Evolved: Specific packets can trigger rpd crash when BGP Origin Validation is configured with RPKI
Summary
On Juniper Networks Junos OS devices configured with BGP origin validation using Resource Public Key Infrastructure (RPKI) receipt of a specific packet from the RPKI cache server may cause routing process daemon (RPD) to crash and restart, creating a Denial of Service (DoS) condition. Continued receipt and processing of this packet will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS 17.3 versions prior to 17.3R3-S12; 17.4 versions prior to 17.4R3-S5; 18.1 versions prior to 18.1R3-S13; 18.2 versions prior to 18.2R3-S8; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R2-S8, 18.4R3-S8; 19.1 versions prior to 19.1R3-S5; 19.2 versions prior to 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R2-S4, 19.4R3-S3; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R3; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R2-S2-EVO.
Severity ?
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
https://kb.juniper.net/JSA11185 x_refsource_CONFIRM
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 17.3 , < 17.3R3-S12 (custom)
Affected: 17.4 , < 17.4R3-S5 (custom)
Affected: 18.1 , < 18.1R3-S13 (custom)
Affected: 18.2 , < 18.2R3-S8 (custom)
Affected: 18.3 , < 18.3R3-S5 (custom)
Affected: 18.4 , < 18.4R2-S8, 18.4R3-S8 (custom)
Affected: 19.1 , < 19.1R3-S5 (custom)
Affected: 19.2 , < 19.2R3-S2 (custom)
Affected: 19.3 , < 19.3R2-S6, 19.3R3-S2 (custom)
Affected: 19.4 , < 19.4R2-S4, 19.4R3-S3 (custom)
Affected: 20.1 , < 20.1R3 (custom)
Affected: 20.2 , < 20.2R3 (custom)
Affected: 20.3 , < 20.3R2 (custom)
Affected: 20.4 , < 20.4R2 (custom)
Create a notification for this product.
    Juniper Networks Junos OS Evolved Affected: All , < 20.4R2-S2-EVO (custom)
Create a notification for this product.
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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.