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Category:   Application (Generic)  >   Net-snmp Vendors:   net-snmp.sourceforge.net
Net-snmp Incomplete Parsing in snmp_pdu_parse() Lets Remote Users Crash snmpd or Execute Arbitrary Code
SecurityTracker Alert ID:  1033304
SecurityTracker URL:  http://securitytracker.com/id/1033304
CVE Reference:   CVE-2015-5621   (Links to External Site)
Date:  Aug 18 2015
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Net-snmp. A remote user can cause the target service to crash. A remote user can execute arbitrary code on the target system.

A remote user can send specially crafted data to trigger a parsing error in snmp_pdu_parse() and cause the target snmpd process to crash or execute arbitrary code on the target system. The code will run with the privileges of the target snmp service.

Qinghao Tang of QIHU 360, China, reported this vulnerability.

Impact:   A remote user can cause the target service to crash.

A remote user can execute arbitrary code on the target system.

Solution:   The vendor has issued a source code fix, available at:

http://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/

Cause:   Access control error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Aug 18 2015 (Red Hat Issues Fix) Net-snmp Incomplete Parsing in snmp_pdu_parse() Lets Remote Users Crash snmpd or Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 6.
Aug 18 2015 (CentOS Issues Fix) Net-snmp Incomplete Parsing in snmp_pdu_parse() Lets Remote Users Crash snmpd or Execute Arbitrary Code
CentOS has issued a fix for CentOS Linux 6 and 7.
Aug 18 2015 (Oracle Issues Fix for Oracle Linux) Net-snmp Incomplete Parsing in snmp_pdu_parse() Lets Remote Users Crash snmpd or Execute Arbitrary Code
Oracle has issued a fix for Oracle Linux 6 and 7.
Oct 8 2015 (F5 Networks Issues Advisory for F5 BIG-IP) Net-snmp Incomplete Parsing in snmp_pdu_parse() Lets Remote Users Crash snmpd or Execute Arbitrary Code
F5 Networks has issued an advisory for F5 BIG-IP.
Oct 8 2015 (F5 Networks Issues Advisory for F5 Enterprise Manager) Net-snmp Incomplete Parsing in snmp_pdu_parse() Lets Remote Users Crash snmpd or Execute Arbitrary Code
F5 Networks has issued an advisory for F5 Enterprise Manager.
Oct 8 2015 (F5 Networks Issues Advisory for F5 FirePass) Net-snmp Incomplete Parsing in snmp_pdu_parse() Lets Remote Users Crash snmpd or Execute Arbitrary Code
F5 Networks has issued an advisory for F5 FirePass.
Oct 19 2015 (IBM Issues Fix for IBM Security Network IPS) Net-snmp Incomplete Parsing in snmp_pdu_parse() Lets Remote Users Crash snmpd or Execute Arbitrary Code
IBM has issued a fix for IBM Security Network IPS.
Apr 21 2016 (Citrix Issues Fix for Citrix XenServer) Net-snmp Incomplete Parsing in snmp_pdu_parse() Lets Remote Users Crash snmpd or Execute Arbitrary Code
Citrix has issued a fix for Citrix XenServer.
Oct 2 2018 (IBM Issues Fix for IBM Security Guardium) Net-snmp Incomplete Parsing in snmp_pdu_parse() Lets Remote Users Crash snmpd or Execute Arbitrary Code
IBM has issued a fix for IBM Security Guardium.



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