Do not access DB_CONFIG when db_home is not set
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Fixes CVE-2017-10140:
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https://bugzilla.redhat.com/show_bug.cgi?id=1464032#c9
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Downloaded from
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http://pkgs.fedoraproject.org/cgit/rpms/libdb.git/commit/?id=8047fa8580659fcae740c25e91b490539b8453eb
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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--- db-5.3.28/src/env/env_open.c.old 2017-06-26 10:32:11.011419981 +0200
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+++ db-5.3.28/src/env/env_open.c 2017-06-26 10:32:46.893721233 +0200
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@@ -473,7 +473,7 @@
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env->db_mode = mode == 0 ? DB_MODE_660 : mode;
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/* Read the DB_CONFIG file. */
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- if ((ret = __env_read_db_config(env)) != 0)
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+ if (env->db_home != NULL && (ret = __env_read_db_config(env)) != 0)
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return (ret);
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/*
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