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Add a missing null pointer check in wc_unescape, to bring it in line
[u/mdw/putty]
/
sshdss.c
diff --git
a/sshdss.c
b/sshdss.c
index
0484c44
..
532c13f
100644
(file)
--- a/
sshdss.c
+++ b/
sshdss.c
@@
-289,6
+289,8
@@
static int dss_verifysig(void *key, char *sig, int siglen,
freebn(w);
freebn(sha);
freebn(w);
freebn(sha);
+ freebn(u1);
+ freebn(u2);
freebn(gu1p);
freebn(yu2p);
freebn(gu1yu2p);
freebn(gu1p);
freebn(yu2p);
freebn(gu1yu2p);
@@
-404,6
+406,7
@@
static void *dss_createkey(unsigned char *pub_blob, int pub_len,
ytest = modpow(dss->g, dss->x, dss->p);
if (0 != bignum_cmp(ytest, dss->y)) {
dss_freekey(dss);
ytest = modpow(dss->g, dss->x, dss->p);
if (0 != bignum_cmp(ytest, dss->y)) {
dss_freekey(dss);
+ freebn(ytest);
return NULL;
}
freebn(ytest);
return NULL;
}
freebn(ytest);