diff options
| author | Bjoern A. Zeeb <bz@FreeBSD.org> | 2022-04-05 22:52:51 +0000 |
|---|---|---|
| committer | Ed Maste <emaste@FreeBSD.org> | 2022-04-05 23:00:46 +0000 |
| commit | e7c990ba3f8de8c4882390cad9b01a9fa25ad068 (patch) | |
| tree | ab7aeab7c758b42b09b0327189e68162c140ea7c | |
| parent | 629df7c108abe26496c3a5c196cce79a47bc1f21 (diff) | |
net80211: validate Mesh ID length in ieee80211_parse_beacon
Reported by: m00nbsd working with Trend Micro Zero Day Initiative
(cherry picked from commit fb8c87b4f3bfdfac014f9d894fe75fbad0391b24)
(cherry picked from commit 72617f9246e3a4be28eeafeae1bdd983143eef3e)
| -rw-r--r-- | sys/net80211/ieee80211_input.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/net80211/ieee80211_input.c b/sys/net80211/ieee80211_input.c index 5b2d2c15cc12..eaafe9e5c326 100644 --- a/sys/net80211/ieee80211_input.c +++ b/sys/net80211/ieee80211_input.c @@ -742,6 +742,12 @@ ieee80211_parse_beacon(struct ieee80211_node *ni, struct mbuf *m, IEEE80211_VERIFY_LENGTH(scan->csa[1], 3 * sizeof(uint8_t), scan->status |= IEEE80211_BPARSE_CSA_INVALID); } +#ifdef IEEE80211_SUPPORT_MESH + if (scan->meshid != NULL) { + IEEE80211_VERIFY_ELEMENT(scan->meshid, IEEE80211_MESHID_LEN, + scan->status |= IEEE80211_BPARSE_RATES_INVALID); + } +#endif /* * Process HT ie's. This is complicated by our * accepting both the standard ie's and the pre-draft |