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From c6f2737747cbb70adfdd1a77412b669838f9c419 Mon Sep 17 00:00:00 2001
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From: Rob Crittenden <rcritten@redhat.com>
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Date: Mon, 2 Dec 2019 15:08:54 -0500
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Subject: [PATCH] Fix use-after-free issue
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The basedn value was freed after the first search but a second
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one could be initiated.
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---
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src/ipa.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/ipa.c b/src/ipa.c
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index 40a4b52c..41ca9081 100644
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--- a/src/ipa.c
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+++ b/src/ipa.c
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@@ -540,7 +540,6 @@ fetch_roots(const char *server, int ldap_uri_cmd, const char *ldap_uri,
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/* Now look up the root certificates for the domain. */
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snprintf(lfilter, sizeof(lfilter), "(%s=*)", lattrs[0]);
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snprintf(ldn, sizeof(ldn), "%s,%s", relativedn, basedn);
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- free(basedn);
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rc = ldap_search_ext_s(ld, ldn, LDAP_SCOPE_SUBTREE,
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lfilter, lattrs, 0, NULL, NULL, NULL,
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LDAP_NO_LIMIT, &lresult);
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@@ -551,6 +550,7 @@ fetch_roots(const char *server, int ldap_uri_cmd, const char *ldap_uri,
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lfilter, lattrs, 0, NULL, NULL, NULL,
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LDAP_NO_LIMIT, &lresult);
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}
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+ free(basedn);
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if (rc != LDAP_SUCCESS) {
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fprintf(stderr, "Error searching '%s': %s.\n",
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ldn, ldap_err2string(rc));
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--
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2.21.0
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