certfr_avis - certfr-2018-avi-064

CERTFR-2018-AVI-064

Vulnerability from certfr_avis

Une vulnérabilité a été découverte dans Cisco Aggregation Services Router (ASR) 9000 Series. Elle permet à un attaquant de provoquer un déni de service à distance.

Solution

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

None

Impacted products

	Vendor	Product	Description
	Cisco	N/A	Cisco Aggregation Services Router (ASR) 9000 Series versions 5.3.4 sans le dernier correctif de sécurité si des linecards de type Trident sont installées sur le routeur et qu'elles sont configurées pour fonctionner sur ipv6.

References

Title

Publication Time

CVE-2018-0136 (GCVE-0-2018-0136)

Vulnerability from cvelistv5

Published

2018-01-31 20:00

Modified

2024-12-02 21:24

Severity ?

CWE

CWE-20

Summary

A vulnerability in the IPv6 subsystem of Cisco IOS XR Software Release 5.3.4 for the Cisco Aggregation Services Router (ASR) 9000 Series could allow an unauthenticated, remote attacker to trigger a reload of one or more Trident-based line cards, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect handling of IPv6 packets with a fragment header extension. An attacker could exploit this vulnerability by sending IPv6 packets designed to trigger the issue either to or through the Trident-based line card. A successful exploit could allow the attacker to trigger a reload of Trident-based line cards, resulting in a DoS during the period of time the line card takes to restart. This vulnerability affects Cisco Aggregation Services Router (ASR) 9000 Series when the following conditions are met: The router is running Cisco IOS XR Software Release 5.3.4, and the router has installed Trident-based line cards that have IPv6 configured. A software maintenance upgrade (SMU) has been made available that addresses this vulnerability. The fix has also been incorporated into service pack 7 for Cisco IOS XR Software Release 5.3.4. Cisco Bug IDs: CSCvg46800.

References

URL

Tags

	http://www.securityfocus.com/bid/102905	vdb-entry, x_refsource_BID
	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180131-ipv6	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1040315	vdb-entry, x_refsource_SECTRACK

Impacted products

	Vendor	Product	Version
	n/a	Cisco Aggregation Services Router 9000 Series	Version: Cisco Aggregation Services Router 9000 Series

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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