certfr_avis - CERTFR-2017-AVI-143

CERTFR-2017-AVI-143

Vulnerability from certfr_avis - Published: - Updated:

Une vulnérabilité a été corrigée dans les commutateurs Cisco. Elle permet à un attaquant de provoquer une exécution de code arbitraire à distance.

Solution

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

les commutateurs Cisco exécutant Cisco IOS ou Cisco IOS XE (voir liste complète sur le site du constructeur, cf. section Documentation)

Impacted products

	Vendor	Product	Description

References

Title

Publication Time

CVE-2017-3881 (GCVE-0-2017-3881)

Vulnerability from cvelistv5 – Published: 2017-03-17 22:00 – Updated: 2025-10-21 23:55

Summary

A vulnerability in the Cisco Cluster Management Protocol (CMP) processing code in Cisco IOS and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device or remotely execute code with elevated privileges. The Cluster Management Protocol utilizes Telnet internally as a signaling and command protocol between cluster members. The vulnerability is due to the combination of two factors: (1) the failure to restrict the use of CMP-specific Telnet options only to internal, local communications between cluster members and instead accept and process such options over any Telnet connection to an affected device; and (2) the incorrect processing of malformed CMP-specific Telnet options. An attacker could exploit this vulnerability by sending malformed CMP-specific Telnet options while establishing a Telnet session with an affected Cisco device configured to accept Telnet connections. An exploit could allow an attacker to execute arbitrary code and obtain full control of the device or cause a reload of the affected device. This affects Catalyst switches, Embedded Service 2020 switches, Enhanced Layer 2 EtherSwitch Service Module, Enhanced Layer 2/3 EtherSwitch Service Module, Gigabit Ethernet Switch Module (CGESM) for HP, IE Industrial Ethernet switches, ME 4924-10GE switch, RF Gateway 10, and SM-X Layer 2/3 EtherSwitch Service Module. Cisco Bug IDs: CSCvd48893.

Severity ?

No CVSS data available.

CWE

Remote Code Execution Vulnerability

Assigner

cisco

References

URL

Tags

	https://www.exploit-db.com/exploits/41872/	exploitx_refsource_EXPLOIT-DB
	https://www.exploit-db.com/exploits/41874/	exploitx_refsource_EXPLOIT-DB
	http://www.securityfocus.com/bid/97391	vdb-entryx_refsource_BID
	http://www.securityfocus.com/bid/96960	vdb-entryx_refsource_BID
	https://tools.cisco.com/security/center/content/C…	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1038059	vdb-entryx_refsource_SECTRACK

Impacted products

	Vendor	Product	Version
	n/a	Cisco IOS and IOS XE Software	Affected: Cisco IOS and IOS XE Software

Show details on NVD website

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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.

Action not permitted