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author | Bjoern A. Zeeb <bz@FreeBSD.org> | 2022-04-05 22:58:28 +0000 |
---|---|---|
committer | Ed Maste <emaste@FreeBSD.org> | 2022-04-05 22:58:28 +0000 |
commit | fb8c87b4f3bfdfac014f9d894fe75fbad0391b24 (patch) | |
tree | d2e437ef1a181f0a28755633287495240fcf637c /sys/net80211 | |
parent | b0aa20bec5db244980a0248e24dd6b8e1e68c4d0 (diff) | |
download | src-fb8c87b4f3bfdfac014f9d894fe75fbad0391b24.tar.gz src-fb8c87b4f3bfdfac014f9d894fe75fbad0391b24.zip |
net80211: validate Mesh ID length in ieee80211_parse_beacon
Reported by: m00nbsd working with Trend Micro Zero Day Initiative
Diffstat (limited to 'sys/net80211')
-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 516de781e23e..7406c92d6d0e 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 |