PT-2017-2506 · Cisco · Cisco Ios+1

Published

2017-06-29

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Updated

2025-01-27

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CVE-2017-6744

CVSS v2.0

9.0

High

VectorAV:N/AC:L/Au:S/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Cisco IOS and IOS XE Software (affected versions not specified)
Description The Simple Network Management Protocol (SNMP) subsystem of Cisco IOS and IOS XE Software contains multiple vulnerabilities that could allow an authenticated, remote attacker to remotely execute code on an affected system or cause an affected system to reload. An attacker could exploit these vulnerabilities by sending a crafted SNMP packet to an affected system via IPv4 or IPv6. The vulnerabilities are due to a buffer overflow condition in the SNMP subsystem of the affected software. The vulnerabilities affect all versions of SNMP - Versions 1, 2c, and 3. To exploit these vulnerabilities via SNMP Version 2c or earlier, the attacker must know the SNMP read-only community string for the affected system. To exploit these vulnerabilities via SNMP Version 3, the attacker must have user credentials for the affected system. A successful exploit could allow the attacker to execute arbitrary code and obtain full control of the affected system or cause the affected system to reload.
Recommendations To address these vulnerabilities, customers are advised to apply the workaround as contained in the Workarounds section. Fixed software information is available via the Cisco IOS Software Checker. As a temporary workaround, consider disabling the SNMP subsystem until a patch is available. Restrict access to the affected MIBs or OIDs to minimize the risk of exploitation. Avoid using the SNMP read-only community string or user credentials for the affected system until the issue is resolved.

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2017-01716
CVE-2017-6744

Affected Products

Cisco Ios
Cisco Ios Xe