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krb5: Fix null deref in krb5_init_creds_free()

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This commit is contained in:
Nicolas Williams
2021-12-10 16:53:19 -06:00
parent cfa49a461c
commit f44596b14b
1 changed files with 2 additions and 1 deletions
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3
lib/krb5/init_creds_pw.c
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@@ -213,7 +213,8 @@ free_init_creds_ctx(krb5_context context, krb5_init_creds_context ctx)
krb5_free_keyblock(context, ctx->fast_state.strengthen_key);
krb5_data_free(&ctx->fast_state.cookie);
krb5_free_keyblock_contents(context, &ctx->fast_state.armor_key);
if (ctx->fast_state.flags & KRB5_FAST_ANON_PKINIT_ARMOR)
if ((ctx->fast_state.flags & KRB5_FAST_ANON_PKINIT_ARMOR) &&
ctx->fast_state.armor_ccache)
krb5_cc_destroy(context, ctx->fast_state.armor_ccache);
if (ctx->fast_state.anon_pkinit_ctx)
free_init_creds_ctx(context, ctx->fast_state.anon_pkinit_ctx);