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Code Issues Releases Wiki Activity

Add more checks for name->sz

pull/3765/head
Eric Blankenhorn 2021-02-17 12:19:42 -06:00
parent 806b5d7d23
commit 608083f559
1 changed files with 7 additions and 4 deletions
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11
src/ssl.c
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@ -45602,14 +45602,17 @@ int wolfSSL_X509_NAME_print_ex(WOLFSSL_BIO* bio, WOLFSSL_X509_NAME* name,
}
#else
if (flags == XN_FLAG_RFC2253) {
if (wolfSSL_BIO_write(bio, name->name + 1, name->sz - 2)
!= name->sz - 2)
if ((name->sz < 3) ||
(wolfSSL_BIO_write(bio, name->name + 1, name->sz - 2)
!= name->sz - 2))
return WOLFSSL_FAILURE;
}
#endif /* WOLFSSL_APACHE_HTTPD || OPENSSL_ALL || WOLFSSL_NGINX */
else if (wolfSSL_BIO_write(bio, name->name, name->sz - 1) != name->sz - 1)
else {
if ((name->sz < 2) ||
(wolfSSL_BIO_write(bio, name->name, name->sz - 1) != name->sz - 1))
return WOLFSSL_FAILURE;
}
return WOLFSSL_SUCCESS;
}
#endif /* !NO_BIO */