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33 lines
1.2 KiB
33 lines
1.2 KiB
7 years ago
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From ca3e61600f1400974c63b2abb30b44f0c94d550b Mon Sep 17 00:00:00 2001
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From: Greg Hudson <ghudson@mit.edu>
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Date: Thu, 23 Mar 2017 13:42:55 -0400
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Subject: [PATCH] Correct error handling bug in prior commit
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In crypto_encode_der_cert(), if the second i2d_X509() invocation
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fails, make sure to free the allocated pointer and not the
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possibly-modified alias.
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ticket: 8561
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(cherry picked from commit 7fdaef7c3280c86b5df25ae061fb04cc56d8620c)
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---
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src/plugins/preauth/pkinit/pkinit_crypto_openssl.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/plugins/preauth/pkinit/pkinit_crypto_openssl.c b/src/plugins/preauth/pkinit/pkinit_crypto_openssl.c
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index a5b010b26..90c30dbf5 100644
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--- a/src/plugins/preauth/pkinit/pkinit_crypto_openssl.c
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+++ b/src/plugins/preauth/pkinit/pkinit_crypto_openssl.c
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@@ -6196,10 +6196,10 @@ crypto_encode_der_cert(krb5_context context, pkinit_req_crypto_context reqctx,
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if (len <= 0)
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return EINVAL;
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p = der = malloc(len);
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- if (p == NULL)
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+ if (der == NULL)
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return ENOMEM;
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if (i2d_X509(reqctx->received_cert, &p) <= 0) {
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- free(p);
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+ free(der);
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return EINVAL;
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}
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*der_out = der;
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