DF-3324 / verdict.json
{ "finding_id": "DF-3324", "status": "reproduced", "reproduced": 1, "poc_path": "findings/poc/DF-3324", "artifact_dir": "findings/poc/DF-3324", "build_cmd": "./build.sh", "run_cmd": "df3324 oob", "code_hash": "c49d066c4b173ea91a018927d37e83b3421a54a1de9be91d3b36c66fcb48cd14", "build_log": "build.log", "run_log": "allruns.log", "impact": "none", "confidence": "certain", "verdict": "hostap assoc path accepts a minimal (len=4) Atheros vendor IE via isatherosoui() and ieee80211_parse_ath() then reads ath_capability+ath_defkeyix (bytes 6..8) past the 6-byte saved-IE allocation (SUPERG kernels; wlan module absent on this radio-less guest so verbatim harness: 3-byte heap over-read faults the guard page).", "exploit_chain": "", "evidence": "control (16-byte alloc) rc=0; 6-byte saveie allocation + parse_ath faults rc=139; FIXED length check clean", "kernel_refs": [ "sys/netproto/802_11/wlan/ieee80211_hostap.c:2007", "sys/netproto/802_11/wlan/ieee80211_hostap.c:2155-2160", "sys/netproto/802_11/wlan/ieee80211_superg.c:199-207", "sys/netproto/802_11/ieee80211_input.h:111-115" ], "poc_changes": "", "attempts": 3, "guest_uname": "DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul 2 06:02:54 UTC 2026 root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC x86_64", "runtime_sec": 60, "guest_dirty": 0, "runner": "df-bsd-reviewer", "notes": "", "recommended_fix": "fix.diff", "fix_status": "fixed", "fix_verdict": "Harness A/B (fixruns.log): the FIXED build - carrying the natural one-line fix in the same verbatim code - runs clean on the exact input that faults the stock build. Kernel not rebuilt for these Low/hardening items.", "fix_baseline_reproduced": 1, "fix_patched_reproduced": 0 } |