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31 lines
1.1 KiB
31 lines
1.1 KiB
6 years ago
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https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2014-3528
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http://subversion.apache.org/security/CVE-2014-3528-advisory.txt
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http://svn.apache.org/viewvc?view=revision&revision=r1615193
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--- subversion-1.7.14/subversion/libsvn_subr/config_auth.c.cve3528
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+++ subversion-1.7.14/subversion/libsvn_subr/config_auth.c
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@@ -90,6 +90,7 @@ svn_config_read_auth_data(apr_hash_t **h
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if (kind == svn_node_file)
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{
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svn_stream_t *stream;
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+ svn_string_t *stored_realm;
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SVN_ERR_W(svn_stream_open_readonly(&stream, auth_path, pool, pool),
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_("Unable to open auth file for reading"));
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@@ -100,6 +101,12 @@ svn_config_read_auth_data(apr_hash_t **h
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apr_psprintf(pool, _("Error parsing '%s'"),
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svn_dirent_local_style(auth_path, pool)));
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+ stored_realm = apr_hash_get(*hash, SVN_CONFIG_REALMSTRING_KEY,
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+ APR_HASH_KEY_STRING);
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+
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+ if (!stored_realm || strcmp(stored_realm->data, realmstring) != 0)
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+ *hash = NULL; /* Hash collision, or somebody tampering with storage */
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+
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SVN_ERR(svn_stream_close(stream));
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}
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