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FragAttacks: Security flaws in all Wi-Fi devices
Introduction 11 May 2021 â€” This website presents FragAttacks (fragmentation and aggregation attacks) which is a collection of new security vulnerabilities that affect Wi-Fi devices. An adversary that is within range of a victim's Wi-Fi network can abuse these vulnerabilities to steal user information or attack devices. Three of the discovered vulnerabilities are design flaws in the Wi-Fi standard
$halfrack$
halfrack 2022/03/16
"Plaintext frames wrongly accepted" ãŒç‰¹ã«ãƒžã‚ºãã†ã ãªã

security

network

wireless

wifi
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ãƒãƒƒãƒ•ã‚¡ãƒãƒ¼ãŒWi-Fiæ¨™æº–ãƒ¡ãƒƒã‚·ãƒ¥ã‚’ã‚µãƒãƒ¼ãƒˆã™ã‚‹ã®ã¯ã©ã†ã—ã¦ã‹ï¼Ÿãªãœã€ŒWi-Fi 6å…¨æ©Ÿç¨®å¯¾å¿œã€ãªã®ã‹ï¼Ÿèžã„ã¦ã¿ãŸã€€
$halfrack$
halfrack 2021/06/14
EasyMesh è¿½ã£ã‹ã‘ã¦ãªã‹ã£ãŸã‘ã©è‰²ã€…èˆˆå‘³æ·±ã„

wifi

wireless

network
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1ä¸‡å††ã®Wi-Fiãƒ«ãƒ¼ã‚¿ãƒ¼ã‚‚ç„¡æ–™ã§æ±Žç”¨ãƒ¡ãƒƒã‚·ãƒ¥ã«ï¼ã€€ç°¡å˜ã€é€”åˆ‡ã‚Œãªã„ã‚’å®Ÿç¾ã™ã‚‹ã€ŒEasyMeshã€ã‚’ãƒãƒƒãƒ•ã‚¡ãƒãƒ¼ã€ŒWSR-1800AX4ã€ã®æ–°ãƒ•ã‚¡ãƒ¼ãƒ ã§è©¦ã™ã€ã‚¤ãƒ‹ã‚·ãƒ£ãƒ«Bã€‘
$halfrack$
halfrack 2021/06/14
â€œ802.11rã®æ©Ÿèƒ½ã¯ã€EasyMesh R2ã§ã‚‚ã‚ªãƒ—ã‚·ãƒ§ãƒ³æ‰±ã„â€ ã‚³ãƒ³ã‚·ãƒ¥ãƒ¼ãƒžå‘ã‘ã§ 11k,v,r å¯¾å¿œã—ã¦ã‚‹ã‚“ã‹ã‚¹ã‚²ãƒ¼

network

wifi

wireless
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https://www.tele.soumu.go.jp/resource/j/monitoring/illegal/result/r02_01.pdf
$halfrack$
halfrack 2021/02/10
Anker ã¨ AUKEY ãŒè¼‰ã£ã¦ã¦ã‚¦ã‚ªãƒƒ(è²©å£²åœæ¢ã—ã¦å¯¾å¿œä¸ã½ã„

electronics

wireless
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ãƒ›ãƒ¯ã‚¤ãƒˆãƒšãƒ¼ãƒ‘ãƒ¼ 802.11AX - WP_802.11AX_ja-JP.pdf
$halfrack$
halfrack 2020/12/02
802.11ax ã®æ¦‚è¦ã«ã¤ã„ã¦è‰¯ã„è³‡æ–™ã ã£ãŸ

11ax

wifi

wireless

network
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èƒ½å‹•éƒ¨å“ã¨å—å‹•éƒ¨å“ - å‰å·æ˜Žæ—¥è«–ã®åŠå°Žä½“æ”¾è«‡(102)
ãŠã³ãŸã ã—ã„æ•°ã®éƒ¨å“ãŒãŽã£ã—ã‚Šå®Ÿè£…ã•ã‚Œã‚‹ãƒ‘ã‚½ã‚³ãƒ³ã‚„ã‚¹ãƒžãƒ¼ãƒˆãƒ•ã‚©ãƒ³ã®åŸºæ¿ã¯ã€ä»Šã¾ã§ä»•äº‹æŸ„ãªã‚“ã©ã‚‚è¦‹ã¦ããŸãŒã€AMDã§ã®å‹¤å‹™ãŒé•·ã‹ã£ãŸç§ã®ä¸»ãªé–¢å¿ƒäº‹ã¯å¸¸ã«CPUã‚„ãƒ¡ãƒ¢ãƒªãƒ¼ã§ã‚ã‚Šã€ãã®ä»–ã¯ã›ã„ãœã„ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã€å‘¨è¾ºæ©Ÿå™¨ç”¨ã®å°‚ç”¨ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ©ãƒ¼ãªã©ã§ã‚ã£ãŸã€‚ ã“ã‚Œã‚‰ã¯ã™ã¹ã¦ã„ã‚ã‚†ã‚‹é«˜é›†ç©ã®LSIã§ã‚ã‚‹ã€‚ã—ã‹ã—ã€ç§ã¯AMDå‹¤å‹™å¾Œã«ã‚¦ã‚§ãƒãã®ã‚‚ã®ã‚’æä¾›ã™ã‚‹ãƒ“ã‚¸ãƒã‚¹ã‚’çµŒé¨“ã—ã€CPUãƒ»ãƒ¡ãƒ¢ãƒªãƒ¼ã‚„å°‚ç”¨ãƒ‡ãƒã‚¤ã‚¹ãªã©ã®ä»–ã«ã‚‚ãŸãã•ã‚“ã®ç¨®é¡žã®éƒ¨å“ãŒã‚¨ãƒ¬ã‚¯ãƒˆãƒãƒ‹ã‚¯ã‚¹ã‚’æ”¯ãˆã¦ã„ã‚‹ã“ã¨ã‚’çŸ¥ã£ãŸã€‚ LSIã‚’ã‚·ã‚¹ãƒ†ãƒ ã®é¡§å®¢ã«å£²ã‚Šæ©ãä»•äº‹ã¨ã‚¦ã‚§ãƒã‚’åŠå°Žä½“ä¼šç¤¾ã«å£²ã‚Šæ©ãä»•äº‹ã¯ã€åŒã˜åŠå°Žä½“æ¥ç•Œã¨ã„ãˆã©ã‚‚ã¾ã£ãŸãåˆ¥ä¸–ç•Œã®ã‚‚ã®ã§ã‚ã£ãŸã€‚ãƒ‘ãƒ¯ãƒ¼ãƒ‡ãƒã‚¤ã‚¹ã€MOSFETã€MEMSãªã©ã®é¡§å®¢ã‚‚ã‚ã£ãŸã—ã€ã‚³ãƒ³ãƒ‡ãƒ³ã‚µã€ã‚ªã‚·ãƒ¬ãƒ¼ã‚¿ãªã©ã®é¡§å®¢ã‚‚ã‚ã£ãŸã€‚ æœ€è¿‘ã²ã‚‡ã‚“ãªã“ã¨ã‹ã‚‰ã‚ã‚‹ãƒ“ã‚¸ãƒã‚¹èªŒã®è¨˜äº‹ã‚’èªã‚“ã§ã„ã¦ãã‚Œã¾ã§å¹¾åº¦ã‚‚èžã„ã¦ã„ãŸã€Œèƒ½å‹•éƒ¨å“ã€ã¨ã€Œå—å‹•éƒ¨
$halfrack$
halfrack 2019/10/18
Qualcomm ãŒ TDK çµ„ã‚“ã§ RF ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ã¾ã§ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã‚’æä¾›

wireless

android

mobile

lte
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60GHzå¸¯å°é›»åŠ›ãƒ‡ãƒ¼ã‚¿é€šä¿¡ã‚·ã‚¹ãƒ†ãƒ ã®çä½“è¦ä»¶ã«ã¤ã„ã¦ - 000624386.pdf
$halfrack$
halfrack 2019/06/19
HTC Vive Wireless Adapter ã«ã¤ã„ã¦å…·ä½“çš„ã«è°è«–ã•ã‚Œã¦ã„ã‚‹(æŠ€é©é€šã‚‰ãªã‹ã£ãŸã‚“ã‹ãƒ¼)

vr

wireless

telec

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DXã‚¢ãƒ³ãƒ†ãƒŠã®å”åŠ›ã§Wi-Fié«˜é€ŸåŒ–ã€ã‚¨ãƒ¬ã‚³ãƒ ãŒæ–°åž‹11acãƒ«ãƒ¼ã‚¿ãƒ¼ã€ŒWRC-2533GSTã€ç™ºè¡¨ã€€æˆ¸å»ºã¦ä½å®…ã®2/3éšŽã§é€šä¿¡é€Ÿåº¦ãŒæœ€å¤§81ï¼…æ”¹å–„
$halfrack$
halfrack 2017/10/25
ãªã‚‹ã»ã©é¢ç™½ã„ MIMO ã¨ã‹ã‚ã‚‹ã—é‡è¦ãã†

wireless

gadget
ãƒªãƒ³ã‚¯
Key Reinstallation Attacks
Key Reinstallation Attacks: Forcing Nonce Reuse in WPA2 Mathy Vanhoef imec-DistriNet, KU Leuven [email protected] Frank Piessens imec-DistriNet, KU Leuven [email protected] ABSTRACT We introduce the key reinstallation attack. This attack abuses design or implementation flaws in cryptographic protocols to reinstall an already-in-use key. This resets the keyâ€™s associated param
$halfrack$
halfrack 2017/10/17
security

wireless
ãƒªãƒ³ã‚¯
hostap - hostapd/wpa_supplicant
Currently, reinstallations of the PTK are prevented by (1) assuring the same TPTK is only set once as the PTK, and (2) that one particular PTK is only installed once. This patch makes it more explicit that point (1) is required to prevent key reinstallations. At the same time, this patch hardens wpa_supplicant such that future changes do not accidentally break this property. Signed-off-by: Mathy V
$halfrack$
halfrack 2017/10/16
"WPA: Extra defense against PTK reinstalls in 4-way handshake"

security

wireless
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Securely Implementing Network Protocols: Detecting and Preventing Logical Flaws
Securely Implementing Network Protocols: Detecting and Preventing Logical Flaws Mathy Vanhoef (KU Leuven) Black Hat Webcast, 24 August 2017 @vanhoefm Introduction Many protocols have been affected by logical bugs 2 Design flaws Implementation flaws TLS BEAST11 POODLE12 Lucky 1313 â€¦ Early CCS attack5 FREAK8 Logjam10 â€¦ Wi-Fi WEP Protected setup7 Key reinstallations1 â€¦ Bad state machine4 No downgrade
$halfrack$
halfrack 2017/10/16
WPA2 è„†å¼±æ€§ã§ç››ã‚Šä¸ŠãŒã£ã¦ã‚‹ Mathy Vanhoef ã«ã‚ˆã‚‹ä»¥å‰ã®ç™ºè¡¨è³‡æ–™

security

wireless

network
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Introduction to 802.11ax High-Efficiency Wireless
802.11ax, also called High-Efficiency Wireless (HEW), has the challenging goal of improving the average throughput per user by a factor of at least 4X in dense user environments. This new standard focuses on implementing mechanisms to serve more users a consistent and reliable stream of data (average throughput) in the presence of many other users. This paper will explore the new mechanisms that w
$halfrack$
halfrack 2016/10/20
11ax ã§å…¥ã‚‹ä»•çµ„ã¿ã®æ¦‚è¦ / é«˜å¯†åº¦ç’°å¢ƒã§ã®ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆå‘ä¸Šã«ãƒ•ã‚©ãƒ¼ã‚«ã‚¹ã—ã¦ã‚‹ã®ã‹

RF

wireless

wifi
ãƒªãƒ³ã‚¯
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å‚ è€ƒ è³‡ æ–™ ç›® æ¬¡ å‚è€ƒè³‡æ–™ï¼‘ï¼ï¼‘ 5GHz å¸¯ç„¡ç·š LAN ã«é–¢ã™ã‚‹å„å›½ã®æŠ€è¡“åŸºæº–ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ» ï¼‘ å‚è€ƒè³‡æ–™ï¼‘ï¼ï¼’ IEEE802.11n è¦æ ¼ã«ã¤ã„ã¦ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ» ï¼’ å‚è€ƒè³‡æ–™ï¼‘ï¼ï¼“ ç„¡ç·š LAN ç‰ã®å°Žå…¥çµŒç·¯ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»11 å‚è€ƒè³‡æ–™ï¼’ï¼ï¼‘ æ—¢å˜ã®ç„¡ç·š LAN ã‚·ã‚¹ãƒ†ãƒ ã®åˆ©ç”¨çŠ¶æ³ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»12 å‚è€ƒè³‡æ–™ï¼’ï¼ï¼’ ï½¸ï¾žï¾˜ï½°ï¾ï¾Œï½¨ï½°ï¾™ï¾„ï¾žåŠã³é€ä¿¡ï¾‹ï¾žï½°ï¾‘ï¾Œï½«ï½°ï¾ï¾ï½¸ï¾žã«é–¢ã™ã‚‹è€ƒå¯Ÿãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ» 14 å‚è€ƒè³‡æ–™ï¼’ï¼ï¼“ å›ºå®šãƒžã‚¤ã‚¯ãƒé€šä¿¡ã‚·ã‚¹ãƒ†ãƒ ã¨ã®å‘¨æ³¢æ•°å…±ç”¨æ¡ä»¶ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ» 17 å‚è€ƒè³‡æ–™ï¼’ï¼ï¼” å›ºå®šãƒžã‚¤ã‚¯ãƒé€šä¿¡ã‚·ã‚¹ãƒ†ãƒ ã¨ã®å‘¨æ³¢æ•°å…±ç”¨æ¡ä»¶ã®è¦‹ç›´ã—ãƒ» 21 å‚è€ƒè³‡æ–™ï¼’ï¼ï¼• ç§»å‹•ä½“è¡›æ˜Ÿã‚·ã‚¹ãƒ†ãƒ ã¨ã®å‘¨æ³¢æ•°å…±ç”¨ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ» 29 å‚è€ƒè³‡æ–™ï¼’ï¼ï¼– ç§»å‹•ä½“ã®æ©Ÿä½“ã«ã‚ˆã‚‹æ¸›è¡°ç‰¹æ€§ã®äº‹ä¾‹ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ»ãƒ» 35 å‚è€ƒè³‡æ–™ï¼’ï¼ï¼— MLS ã®æ¦‚è¦ãƒ»ãƒ»
$halfrack$
halfrack 2016/04/12
5GHz WiFi ã®å¹²æ¸‰ã¨ DFS ã«ã¤ã„ã¦è‰²ã€…ã‹ã„ã¦ã‚ã‚‹

WiFi

wireless
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$halfrack$
halfrack 2016/02/16
é›»æ³¢

wireless
ãƒªãƒ³ã‚¯
ã‚µãƒ¼ãƒ“ã‚¹çµ‚äº†ã®ãŠçŸ¥ã‚‰ã›
ã‚µãƒ¼ãƒ“ã‚¹çµ‚äº†ã®ãŠçŸ¥ã‚‰ã› ã„ã¤ã‚‚Yahoo! JAPANã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’ã”åˆ©ç”¨ã„ãŸã ãèª ã«ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™ã€‚ ãŠå®¢æ§˜ãŒã‚¢ã‚¯ã‚»ã‚¹ã•ã‚ŒãŸã‚µãƒ¼ãƒ“ã‚¹ã¯æœ¬æ—¥ã¾ã§ã«ã‚µãƒ¼ãƒ“ã‚¹ã‚’çµ‚äº†ã„ãŸã—ã¾ã—ãŸã€‚ ä»Šå¾Œã¨ã‚‚Yahoo! JAPANã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’ã”æ„›é¡§ãã ã•ã„ã¾ã™ã‚ˆã†ã€ã‚ˆã‚ã—ããŠé¡˜ã„ã„ãŸã—ã¾ã™ã€‚
$halfrack$
halfrack 2016/02/02
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wireless
ãƒªãƒ³ã‚¯
http://www.cisco.com/cisco/web/support/JP/docs/WL/WLLANCntrller/5500WLCntrllers/TECHREF/002/b_iPhone-roaming.pdf
$halfrack$
halfrack 2016/01/20
iOS ã¯ 802.1k ã§ã¡ã‚ƒã‚“ã¨ã—ã¦ã‚‹

network

wireless

iPhone
ãƒªãƒ³ã‚¯
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$halfrack$
halfrack 2016/01/05
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