From 964632f37dfdfb914ebc5e49db4fa29af35b1de9 Mon Sep 17 00:00:00 2001 From: Nikos Mavrogiannopoulos Date: Sat, 27 Aug 2016 17:00:22 +0200 Subject: [PATCH] ocsp: corrected the comparison of the serial size in OCSP response Previously the OCSP certificate check wouldn't verify the serial length and could succeed in cases it shouldn't. Reported by Stefan Buehler. Upstream-Status: Backport CVE: CVE-2016-7444 Signed-off-by: Armin Kuster --- lib/x509/ocsp.c | 1 + 1 file changed, 1 insertion(+) Index: gnutls-3.3.17.1/lib/x509/ocsp.c =================================================================== --- gnutls-3.3.17.1.orig/lib/x509/ocsp.c +++ gnutls-3.3.17.1/lib/x509/ocsp.c @@ -1257,6 +1257,7 @@ gnutls_ocsp_resp_check_crt(gnutls_ocsp_r gnutls_assert(); goto cleanup; } + cserial.size = t; if (rserial.size != cserial.size || memcmp(cserial.data, rserial.data, rserial.size) != 0) {