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Category:   Device (Router/Bridge/Hub)  >   Cisco IOS Vendors:   Cisco
Cisco IOS/IOS XE Buffer Overflow in SNMP Service Lets Remote Authenticated Users Execute Arbitrary Code
SecurityTracker Alert ID:  1038808
SecurityTracker URL:  http://securitytracker.com/id/1038808
CVE Reference:   CVE-2017-6736, CVE-2017-6737, CVE-2017-6738, CVE-2017-6739, CVE-2017-6740, CVE-2017-6741, CVE-2017-6742, CVE-2017-6743, CVE-2017-6744   (Links to External Site)
Date:  Jun 29 2017
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): IOS and IOS XE
Description:   Multiple vulnerabilities were reported in Cisco IOS and IOS XE. A remote authenticated user can execute arbitrary code on the target system.

A remote authenticated user can send a specially crafted Simple Network Management Protocol (SNMP) packet to the target system to trigger a buffer overflow in the SNMP service and execute arbitrary code on the target system.

For SNMPv2c and before, the SNMP read-only community string is required to exploit this flaw. For SNMPv3, user authentication credentials on the target system are required to exploit this flaw.

Systems configured with the following MIBs are affected:

ADSL-LINE-MIB
ALPS-MIB
CISCO-ADSL-DMT-LINE-MIB
CISCO-BSTUN-MIB
CISCO-MAC-AUTH-BYPASS-MIB
CISCO-SLB-EXT-MIB
CISCO-VOICE-DNIS-MIB
CISCO-VOICE-NUMBER-EXPANSION-MIB
TN3270E-RT-MIB

The vendor has assigned bug IDs CSCve54313, CSCve54313CSCve57697, CSCve57697CSCve60276, CSCve60276CSCve60376, CSCve60376CSCve60402, CSCve60402CSCve60507, CSCve60507CSCve66540, CSCve66540CSCve66601, CSCve66601CSCve66658, CSCve66658CSCve78027, CSCve78027CSCve89865, and CSCve89865 to these vulnerabilities.

Impact:   A remote authenticated user can execute arbitrary code on the target system.
Solution:   The vendor has issued a fix.

The vendor advisory is available at:

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170629-snmp

Vendor URL:  tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170629-snmp (Links to External Site)
Cause:   Boundary error

Message History:   None.


 Source Message Contents

Subject:  https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170629-snmp

 
 


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