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Îó²îÃû³Æ | HTTP/2 CONTINUATION Flood¾Ü¾ø·þÎñÎó²î | ||
CVE ID | CVE-2024-27983¡¢CVE-2024-27316µÈ | ||
Îó²îÀàÐÍ | DoS | ·¢Ã÷ʱ¼ä | 2024-04-07 |
Îó²îÆÀ·Ö | Îó²îÆ·¼¶ | ¸ßΣ | |
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ʹÓÃÄÑ¶È | µÍ | Óû§½»»¥ | ÎÞ |
PoC/EXP | δ¹ûÕæ | ÔÚҰʹÓà | δ֪ |
HTTP/2ÊÇÒ»ÖÖÇå¾²¸ßЧµÄÏÂÒ»´úhttp´«ÊäÐÒ飬ּÔÚͨ¹ýÒýÈëÓÃÓÚ¸ßЧÊý¾Ý´«ÊäµÄ¶þ½øÖÆÖ¡¡¢ÔÊÐíͨ¹ýµ¥¸öÅþÁ¬¾ÙÐжà¸öÇëÇóºÍÏìÓ¦µÄ¶à·¸´ÓÃÒÔ¼°ÓÃÓÚïÔÌ¿ªÏúµÄ±êͷѹËõÀ´Ìá¸ßWebÐÔÄÜ¡£HTTP/2 CONTINUATIONÖ¡ÓÃÓÚÒ»Á¬×ֶοéƬ¶ÏµÄÐòÁС£
2024Äê4ÔÂ7ÈÕ£¬ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍøVSRC¼à²âµ½HTTP/2ÐÒé±»Åû¶±£´æ¾Ü¾ø·þÎñÎó²î£¬¸ÃÎó²î±»³ÆΪ¡°HTTP/2 CONTINUATION Flood¡±£¬¿Éµ¼Ö¾ܾø·þÎñ£¨DoS£©¹¥»÷£¬ÔÚijЩʵÏÖÖпÉͨ¹ýµ¥¸öTCPÅþÁ¬Ê¹web·þÎñÆ÷Í߽⣬ÏÖÔÚ¸ÃÎó²îµÄÊÖÒÕϸ½ÚÒѹûÕæÅû¶¡£
ÓÉÓÚijЩHTTP/2ÐÒéʵÏÖÖÐûÓÐÊʵ±ÏÞÖÆ»òÕûÀíµ¥¸öÊý¾ÝÁ÷Öз¢Ë굀 CONTINUATION Ö¡µÄÊýÄ¿£¬¹¥»÷Õß¿Éͨ¹ý²»ÉèÖà END_HEADERS ±ê¼Ç룬ÏòÄ¿µÄ·þÎñÆ÷·¢ËÍ CONTINUATION Ö¡Á÷£¬´Ó¶ø¿ÉÄܵ¼ÖÂÄÚ´æȱ·¦±ÀÀ£»òCPU×ÊÔ´ºÄ¾¡¶øµ¼Ö·þÎñÆ÷ÖÐÖ¹£¬Ôì³É¾Ü¾ø·þÎñ¡£
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ÒÑÖªHTTP/2 CONTINUATION FloodÓ°Ïì¶à¸öÏîÄ¿£¬²î±ðµÄHTTP/2ʵÏÖ¿ÉÄÜ»áÓÐÌض¨ÓÚ¸ÃʵÏÖµÄÆæÒìÎó²î¼°Ó°Ï죬²î±ðHTTP/2ʵÏÖÏà¶ÔÓ¦µÄ²¿·ÖCVE IDÈçÏ£º
l Envoy£¨CVE-2024-27919¡¢CVE-2024-30255£©
l Tempesta FW ( CVE-2024-2758 )
l amphp/http ( CVE-2024-2653 )
l Golang£¨CVE-2023-45288£©
l nghttp2£¨CVE-2024-28182£©
l Apache HTTP Server ( CVE-2024-27316 )
l Apache Traffic Server ( CVE-2024-31309 )
l Node.js£¨CVE-2024-27983£©
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3.1 Éý¼¶°æ±¾
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ÊÜÓ°ÏìÏîÄ¿/ʵÀý | CVE | Ó°Ïì¹æÄ£ | ÐÞ¸´°æ±¾ | ²Î¿¼Á´½Ó |
Envoy | CVE-2024-27919 | Envoy 1.29.0 ¡¢1.29.1 | Éý¼¶µ½°æ±¾ 1.29.2£»»ò½µ¼¶µ½1.28.1¼°Ö®Ç°°æ±¾ | https://github.com/envoyproxy/envoy/security/advisories/GHSA-gghf-vfxp-799r |
CVE-2024-30255 | 1.29.3¡¢1.28.2¡¢1.27.4 ºÍ 1.26.8 ֮ǰ°æ±¾ | Éý¼¶µ½1.29.3¡¢1.28.2¡¢1.27.4 ¡¢ 1.26.8»ò¸ü¸ß°æ±¾ | https://github.com/envoyproxy/envoy/security/advisories/GHSA-j654-3ccm-vfmm | |
Tempesta FW | CVE-2024-2758 | 0.7.1֮ǰ°æ±¾ | Éý¼¶µ½0.7.1»ò¸ü¸ß°æ±¾ | https://github.com/tempesta-tech/tempesta/security/advisories/GHSA-3xwj-5ch3-q9p4 |
amphp/http | CVE-2024-2653 | amphp/http<= 1.7.2¡¢2.0.0-2.1.0£» amphp/http-client 4.0.0-rc10 -4.0.0
| Éý¼¶µ½amphp/http 2.1.1¡¢1.7.3£» amphp/http-client >= 4.1.0-rc1 | https://github.com/amphp/http/security/advisories/GHSA-qjfw-cvjf-f4fm https://github.com/amphp/http-client/security/advisories/GHSA-w8gf-g2vq-j2f4 |
Golang | CVE-2023-45288 | Go<1.22.2¡¢Go <1.21.9 | Éý¼¶µ½Go 1.22.2 ¡¢ 1.21.9 | https://pkg.go.dev/vuln/GO-2024-2687 |
nghttp2 | CVE-2024-28182 | nghttp2 < 1.61.0 | Éý¼¶µ½nghttp2 °æ±¾1.61.0 | https://github.com/nghttp2/nghttp2/security/advisories/GHSA-x6x3-gv8h-m57q |
Apache HTTP Server | CVE-2024-27316 | Apache HTTP Server <=2.4.58 | Éý¼¶µ½Apache HTTP Server 2.4.59 | https://httpd.apache.org/security/vulnerabilities_24.html |
3.2 ÔÝʱ²½·¥
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3.3 ͨÓý¨Òé
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3.4 ²Î¿¼Á´½Ó
https://nowotarski.info/http2-continuation-flood-technical-details/#a-quick-intro-to-http2
https://kb.cert.org/vuls/id/421644
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