File openssl-CVE-2011-5095.patch of Package compat-openssl098.930
Index: openssl-0.9.8j/fips/dh/fips_dh_key.c
===================================================================
--- openssl-0.9.8j.orig/fips/dh/fips_dh_key.c
+++ openssl-0.9.8j/fips/dh/fips_dh_key.c
@@ -189,6 +189,7 @@ static int compute_key(unsigned char *ke
BN_MONT_CTX *mont=NULL;
BIGNUM *tmp;
int ret= -1;
+ int check_result;
ctx = BN_CTX_new();
if (ctx == NULL) goto err;
@@ -227,6 +228,12 @@ static int compute_key(unsigned char *ke
goto err;
}
+ if (!DH_check_pub_key(dh, pub_key, &check_result) || check_result)
+ {
+ DHerr(DH_F_COMPUTE_KEY,DH_R_INVALID_PUBKEY);
+ goto err;
+ }
+
if (!dh->meth->bn_mod_exp(dh, tmp, pub_key, dh->priv_key,dh->p,ctx,mont))
{
DHerr(DH_F_COMPUTE_KEY,ERR_R_BN_LIB);