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Red Hat Bugzilla – Attachment 607916 Details for
Bug 852752
CVE-2012-3547 freeradius: stack-based buffer overflow via long expiration date fields in client X509 certificates
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[patch]
Proposed patch to correct this from Alan DeKok from FreeRADIUS upstream
freeradius.patch (text/plain), 673 bytes, created by
Jan Lieskovsky
on 2012-08-29 14:07:29 UTC
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Description:
Proposed patch to correct this from Alan DeKok from FreeRADIUS upstream
Filename:
MIME Type:
Creator:
Jan Lieskovsky
Created:
2012-08-29 14:07:29 UTC
Size:
673 bytes
patch
obsolete
>diff --git a/src/modules/rlm_eap/types/rlm_eap_tls/rlm_eap_tls.c b/src/modules/rlm_eap/types/rlm_eap_tls/rlm_eap_tls.c >index 8b31573..637915e 100644 >--- a/src/modules/rlm_eap/types/rlm_eap_tls/rlm_eap_tls.c >+++ b/src/modules/rlm_eap/types/rlm_eap_tls/rlm_eap_tls.c >@@ -608,7 +608,7 @@ static int cbtls_verify(int ok, X509_STORE_CTX *ctx) > */ > buf[0] = '\0'; > asn_time = X509_get_notAfter(client_cert); >- if ((lookup <= 1) && asn_time && (asn_time->length < MAX_STRING_LEN)) { >+ if ((lookup <= 1) && asn_time && (asn_time->length < sizeof(buffer))) { > memcpy(buf, (char*) asn_time->data, asn_time->length); > buf[asn_time->length] = '\0'; > pairadd(&handler->certs,
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