21 lines
913 B
Plaintext
21 lines
913 B
Plaintext
$OpenBSD: patch-agent_mibgroup_agent_extend_c,v 1.1 2012/05/03 20:06:51 jasper Exp $
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Security fix for CVE-2012-2141 net-snmp: Array index error, leading to
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out-of heap-based buffer read (snmpd crash)
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Fix from https://bugzilla.redhat.com/show_bug.cgi?id=815813
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--- agent/mibgroup/agent/extend.c.orig Thu May 3 21:46:19 2012
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+++ agent/mibgroup/agent/extend.c Thu May 3 21:46:45 2012
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@@ -1380,6 +1380,10 @@ handle_nsExtendOutput2Table(netsnmp_mib_handler
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* Determine which line we've been asked for....
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*/
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line_idx = *table_info->indexes->next_variable->val.integer;
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+ if (line_idx < 1 || line_idx > extension->numlines) {
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+ netsnmp_set_request_error(reqinfo, request, SNMP_NOSUCHINSTANCE);
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+ continue;
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+ }
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cp = extension->lines[line_idx-1];
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/*
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