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check auth length for sanity

This commit is contained in:
Sukchan Lee 2020-04-02 20:43:22 -04:00
parent c7856bf3b2
commit 7b5f9520d9
1 changed files with 2 additions and 1 deletions
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3
src/mme/emm-sm.c
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@ -522,7 +522,8 @@ void emm_state_authentication(ogs_fsm_t *s, mme_event_t *e)
CLEAR_MME_UE_TIMER(mme_ue->t3460);
if (memcmp(authentication_response_parameter->res,
if (authentication_response_parameter->length == 0 ||
memcmp(authentication_response_parameter->res,
mme_ue->xres,
authentication_response_parameter->length) != 0) {
ogs_log_hexdump(OGS_LOG_WARN,