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kdc: Check return code

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Assists Samba to address CVE-2020-25719

Samba BUG: https://bugzilla.samba.org/show_bug.cgi?id=14873

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

(cherry-picked from Samba commit a5db5c7fa2bdf5c651f77749b4e79c515d164e4f)
This commit is contained in:
Joseph Sutton
2021-11-16 12:53:06 +13:00
committed by Luke Howard
parent ea8e8a4a8a
commit 5cb5b6d748
1 changed files with 4 additions and 1 deletions
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5
kdc/krb5tgs.c
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@@ -1455,7 +1455,10 @@ tgs_build_reply(astgs_request_t priv,
ret = KRB5KDC_ERR_POLICY;
goto out;
}
_krb5_principalname2krb5_principal(context, &p, t->sname, t->realm);
ret = _krb5_principalname2krb5_principal(context, &p, t->sname, t->realm);
if (ret)
goto out;
ret = krb5_unparse_name(context, p, &tpn);
if (ret)
goto out;