CVE-2018-0241 (GCVE-0-2018-0241)

Vulnerability from cvelistv5 – Published: 2018-04-19 20:00 – Updated: 2024-11-29 15:16
VLAI?
Summary
A vulnerability in the UDP broadcast forwarding function of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on the affected device. The vulnerability is due to improper handling of UDP broadcast packets that are forwarded to an IPv4 helper address. An attacker could exploit this vulnerability by sending multiple UDP broadcast packets to the affected device. An exploit could allow the attacker to cause a buffer leak on the affected device, eventually resulting in a DoS condition requiring manual intervention to recover. This vulnerability affects all Cisco IOS XR platforms running 6.3.1, 6.2.3, or earlier releases of Cisco IOS XR Software when at least one IPv4 helper address is configured on an interface of the device. Cisco Bug IDs: CSCvi35625.
Severity ?
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Cisco IOS XR Affected: Cisco IOS XR
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Un exploit podr\u00eda permitir que el atacante provoque una fuga del b\u00fafer en el dispositivo afectado, lo que resultar\u00eda finalmente en una denegaci\u00f3n de servicio (DoS) que requerir\u00eda una intervenci\u00f3n manual para recuperarla. La vulnerabilidad afecta a todas las plataformas Cisco IOS XR que ejecuten las versiones 6.3.1, 6.2.3 o anteriores de Cisco IOS XR Software cuando, al menos, una direcci\u00f3n IPv4 auxiliar est\u00e1 configurada en una interfaz del dispositivo. 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    "vulnrichment": {
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  }
}


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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.