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Diffstat (limited to 'accel-pppd/auth/auth_chap_md5.c')
-rw-r--r--accel-pppd/auth/auth_chap_md5.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/accel-pppd/auth/auth_chap_md5.c b/accel-pppd/auth/auth_chap_md5.c
index f4bddad..e1aaed9 100644
--- a/accel-pppd/auth/auth_chap_md5.c
+++ b/accel-pppd/auth/auth_chap_md5.c
@@ -404,7 +404,7 @@ static void chap_recv(struct ppp_handler_t *h)
struct chap_auth_data_t *d = container_of(h, typeof(*d), h);
struct chap_hdr_t *hdr = (struct chap_hdr_t *)d->ppp->buf;
- if (d->ppp->buf_size < sizeof(*hdr) || ntohs(hdr->len) < HDR_LEN || ntohs(hdr->len) < d->ppp->buf_size - 2) {
+ if (d->ppp->buf_size < sizeof(*hdr) || ntohs(hdr->len) < HDR_LEN || ntohs(hdr->len) > d->ppp->buf_size - 2) {
log_ppp_warn("chap-md5: short packet received\n");
return;
}