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Viewing changes to agent/mibgroup/agentx/master.c

  • Committer: Package Import Robot
  • Author(s): Marc Deslauriers
  • Date: 2014-04-08 08:17:14 UTC
  • Revision ID: package-import@ubuntu.com-20140408081714-31du0g3p3ggkwe9o
Tags: 5.7.2~dfsg-8.1ubuntu3
* SECURITY UPDATE: denial of service via AgentX subagent timeout
  - debian/patches/CVE-2012-6151.patch: track cancelled sessions in
    agent/mibgroup/agentx/{master.c,master_admin.c}, agent/snmp_agent.c,
    include/net-snmp/agent/snmp_agent.h.
  - CVE-2012-6151
* SECURITY UPDATE: denial of service when ICMP-MIB is in use
  - debian/patches/CVE-2014-2284.patch: fix ICMP mib table handling in
    agent/mibgroup/mibII/icmp.c, agent/mibgroup/mibII/kernel_linux.*.
  - CVE-2014-2284
* SECURITY UPDATE: denial of service in perl trap handler
  - debian/patches/CVE-2014-2285.patch: handle empty community string in
    perl/TrapReceiver/TrapReceiver.xs.
  - CVE-2014-2285

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Lines of Context:
agent/mibgroup/agentx/master.c
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    if (!cache) {
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        DEBUGMSGTL(("agentx/master", "response too late on session %8p\n",
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                    session));
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        return 0;
 
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        /* response is too late, free the cache */
 
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        if (magic)
 
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            netsnmp_free_delegated_cache((netsnmp_delegated_cache*) magic);
 
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        return 1;
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    }
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    requests = cache->requests;
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    result = snmp_async_send(ax_session, pdu, agentx_got_response, cb_data);
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    if (result == 0) {
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        snmp_free_pdu(pdu);
 
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        if (cb_data)
 
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            netsnmp_free_delegated_cache((netsnmp_delegated_cache*) cb_data);
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    }
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    return SNMP_ERR_NOERROR;