From 676befbeb76ca19c9e7b2febfabda16bd26e00a0 Mon Sep 17 00:00:00 2001 From: Kurt Roeckx Date: Thu, 20 Oct 2016 20:49:22 +0200 Subject: [PATCH] Print the X509 version signed, and convert to unsigned for the hex version. Found by tis-interpreter Reviewed-by: Rich Salz GH: #1754 --- crypto/x509/t_x509.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/crypto/x509/t_x509.c b/crypto/x509/t_x509.c index feeff754c3..ce670460ee 100644 --- a/crypto/x509/t_x509.c +++ b/crypto/x509/t_x509.c @@ -71,8 +71,13 @@ int X509_print_ex(BIO *bp, X509 *x, unsigned long nmflags, } if (!(cflag & X509_FLAG_NO_VERSION)) { l = X509_get_version(x); - if (BIO_printf(bp, "%8sVersion: %lu (0x%lx)\n", "", l + 1, l) <= 0) - goto err; + if (l >= 0 && l <= 2) { + if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0) + goto err; + } else { + if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0) + goto err; + } } if (!(cflag & X509_FLAG_NO_SERIAL)) { -- 2.39.2