CVE-2019-0063 (GCVE-0-2019-0063)

Vulnerability from cvelistv5 – Published: 2019-10-09 19:26 – Updated: 2024-09-17 00:06
VLAI?
Title
Junos OS: MX Series: jdhcpd crash when receiving a specific crafted DHCP response message
Summary
When an MX Series Broadband Remote Access Server (BRAS) is configured as a Broadband Network Gateway (BNG) with DHCPv6 enabled, jdhcpd might crash when receiving a specific crafted DHCP response message on a subscriber interface. The daemon automatically restarts without intervention, but continuous receipt of specific crafted DHCP messages will repeatedly crash jdhcpd, leading to an extended Denial of Service (DoS) condition. This issue only affects systems configured with DHCPv6 enabled. DHCPv4 is unaffected by this issue. This issue affects Juniper Networks Junos OS: 15.1 versions prior to 15.1R7-S5 on MX Series; 16.1 versions prior to 16.1R7-S5 on MX Series; 16.2 versions prior to 16.2R2-S10 on MX Series; 17.1 versions prior to 17.1R3-S1 on MX Series; 17.2 versions prior to 17.2R3-S2 on MX Series; 17.3 versions prior to 17.3R3-S6 on MX Series; 17.4 versions prior to 17.4R2-S5, 17.4R3 on MX Series; 18.1 versions prior to 18.1R3-S6 on MX Series; 18.2 versions prior to 18.2R2-S4, 18.2R3 on MX Series; 18.2X75 versions prior to 18.2X75-D50 on MX Series; 18.3 versions prior to 18.3R1-S5, 18.3R3 on MX Series; 18.4 versions prior to 18.4R2 on MX Series; 19.1 versions prior to 19.1R1-S2, 19.1R2 on MX Series.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • Denial of Service (DoS)
Assigner
References
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 15.1 , < 15.1R7-S5 (custom)
Affected: 16.1 , < 16.1R7-S5 (custom)
Affected: 16.2 , < 16.2R2-S10 (custom)
Affected: 17.1 , < 17.1R3-S1 (custom)
Affected: 17.2 , < 17.2R3-S2 (custom)
Affected: 17.3 , < 17.3R3-S6 (custom)
Affected: 17.4 , < 17.4R2-S5, 17.4R3 (custom)
Affected: 18.1 , < 18.1R3-S6 (custom)
Affected: 18.2 , < 18.2R2-S4, 18.2R3 (custom)
Affected: 18.2X75 , < 18.2X75-D50 (custom)
Affected: 18.3 , < 18.3R1-S5, 18.3R3 (custom)
Affected: 18.4 , < 18.4R2 (custom)
Affected: 19.1 , < 19.1R1-S2, 19.1R2 (custom)
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Sightings

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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.