https://fedorahosted.org/sssd/ticket/1724
From a927c2deeab3b5b54f655e8cbe921e43cc8e1415 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pavel=20B=C5=99ezina?= <pbrez...@redhat.com> Date: Thu, 3 Jan 2013 09:48:39 +0100 Subject: [PATCH] explicit null dereferenced in sss_nss_mc_get_record()
https://fedorahosted.org/sssd/ticket/1724 --- src/sss_client/nss_mc_common.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/sss_client/nss_mc_common.c b/src/sss_client/nss_mc_common.c index 59f5b257b9c646aa826499623103cd2c45abdbc7..e68e107aa8b2696189cf92c8cee7a1058be54575 100644 --- a/src/sss_client/nss_mc_common.c +++ b/src/sss_client/nss_mc_common.c @@ -220,6 +220,11 @@ errno_t sss_nss_mc_get_record(struct sss_cli_mc_ctx *ctx, continue; } + if (rec->len == 0 || rec->len == MC_INVALID_VAL32) { + /* record has invalid length */ + return EINVAL; + } + if (rec_len > buf_size) { free(copy_rec); copy_rec = malloc(rec_len); -- 1.7.11.7
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