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CVE-2024-21626

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runc ÊÇÒ»ÖÖ CLI ¹¤¾ß£¬ÓÃÓÚƾ֤ OCI ¹æ·¶ÔÚ Linux ÉÏÌìÉúºÍÔËÐÐÈÝÆ÷¡£runcµÄʹÓúÜÊÇÎÞа£¬¿ÉÒÔÓëÖÖÖÖÈÝÆ÷¹¤¾ßÇ徲̨¼¯³É£¬ÈçDocker¡¢KubernetesµÈ¡£ÆäÖÐCVE-2024-21626Éæ¼°runc£¬runc 1.1.11¼°Ö®Ç°°æ±¾ÖУ¬ÓÉÓÚÄÚ²¿ÎļþÐÎò·û×ß©£¬ÍâµØÍþвÕß¿ÉÒÔͨ¹ý¶àÖÖ·½·¨ÊµÏÖÈÝÆ÷ÌÓÒÝ£ºÍþвÕß¿ÉÒÔͨ¹ýʹÐÂÌìÉúµÄÈÝÆ÷Àú³Ì£¨À´×Ôrunc exec£©ÔÚÖ÷»úÎļþϵͳÃüÃû¿Õ¼äÖÐÓµÓÐÒ»¸öÊÂÇéĿ¼£¬»òÓÕʹÌØȨÓû§ÔËÐжñÒâ¾µÏñ²¢ÔÊÐíÈÝÆ÷Àú³Ìͨ¹ý runc run »á¼ûÖ÷»úÎļþϵͳ£¬´Ó¶ø»ñµÃ¶ÔÖ÷»úÎļþϵͳµÄ»á¼ûȨÏÞ¡£ÕâЩ¹¥»÷»¹¿ÉÓÃÓÚÁýÕÖ°ëí§ÒâÖ÷»ú¶þ½øÖÆÎļþ£¬´Ó¶øʵÏÖÈÝÆ÷ÌÓÒÝ¡£

BuildKit ÊÇDocker¹Ù·½ÉçÇøÍƳöµÄÏÂÒ»´ú¾µÏñ¹¹½¨×é¼þ£¬¿ÉÒÔÔ½·¢¿ìËÙ¡¢ÓÐÓá¢Çå¾²µØ¹¹½¨docker ¾µÏñ¡£MobyÊÇDocker½¨ÉèµÄÒ»¸ö¿ªÔ´ÏîÄ¿£¬Ö¼ÔÚʵÏÖÈí¼þÈÝÆ÷»¯¡£BuildKiºÍMobyÖл¹±£´æÈç϶à¸öÎó²î£º

CVE-2024-23651£º¸ÃÎó²îµÄCVSSÆÀ·ÖΪ8.7£¬ÔÚ BuildKit <= v0.12.4 ÖУ¬²¢ÐÐÔËÐеÄÁ½¸ö¶ñÒâ¹¹½¨°ì·¨Óë×Ó·¾¶¹²ÏíÏàͬµÄ»º´æ¹ÒÔØ¿ÉÄܻᵼÖ¾ºÕùÌõ¼þ£¬´Ó¶øµ¼Ö¹¹½¨ÈÝÆ÷¿ÉÒÔ»á¼ûÖ÷»úϵͳÖеÄÎļþ¡£Ö»Óе±Óû§ÊÔͼ¹¹½¨¶ñÒâÏîÄ¿µÄDockerfileʱ£¬²Å»á±¬·¢ÕâÖÖÇéÐΡ£

CVE-2024-23652£º¸ÃÎó²îµÄCVSSÆÀ·ÖΪ10.0£¬ÔÚ BuildKit <= v0.12.4 ÖУ¬Ê¹Óà RUN --mount µÄ¶ñÒâ BuildKit Ç°¶Ë»ò Dockerfile ¿ÉÄÜ»áÓÕƭɾ³ýΪ¹ÒÔص㽨ÉèµÄ¿ÕÎļþµÄ¹¦Ð§£¬´Ó¶ø´ÓÖ÷»úϵͳÖÐɾ³ýÈÝÆ÷ÍâµÄÎļþ¡£Ö»Óе±Óû§Ê¹ÓöñÒâ Dockerfile ʱ²Å»á±¬·¢ÕâÖÖÇéÐΡ£

CVE-2024-23653£º¸ÃÎó²îµÄCVSSÆÀ·ÖΪ9.8¡£³ýÁË×÷Ϊ¹¹½¨°ì·¨ÔËÐÐÈÝÆ÷Í⣬BuildKit »¹ÌṩÁË»ùÓÚ¹¹½¨¾µÏñÔËÐн»»¥Ê½ÈÝÆ÷µÄ API¡£ÔÚ BuildKit <= v0.12.4 ÖУ¬¿ÉÒÔʹÓÃÕâЩ API À´ÒªÇó BuildKit ÒÔÌáÉýµÄȨÏÞÔËÐÐÈÝÆ÷¡£Í¨³££¬Ö»ÓÐÔÚ buildkitd ÉèÖÃÆôÓÃÁË security.insecure ȨÏÞ£¬²¢ÇÒ³õʼ»¯¹¹½¨ÇëÇóµÄÓû§ÔÊÐíµÄÇéÐÎÏ£¬²ÅÔÊÐíÔËÐдËÀàÈÝÆ÷¡£

CVE-2024-23650£¨ÖÐΣ£©£ºÔÚ BuildKit <= v0.12.4 ÖУ¬¶ñÒâ BuildKit ¿Í»§¶Ë»òÇ°¶Ë¿ÉÖÆ×÷Ò»¸öÇëÇ󣬵¼Ö BuildKit ÊØ»¤Àú³ÌÒò¿Ö»Å¶øÍ߽⡣

CVE-2024-24557£¨ÖÐΣ£©£ºÔÚ Moby <= v25.0.1 ºÍ <= v24.0.8 ÖУ¬ÈôÊǾµÏñÊÇÖØй¹½¨µÄ£¬¾­µäµÄ¹¹½¨Æ÷»º´æϵͳºÜÈÝÒ×·ºÆ𻺴æÖж¾¡£

 

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Runc <= 1.1.11

BuildKit <= 0.12.4

Moby (Docker Engine)<= 25.0.1 ºÍ<= 24.0.8

Docker Desktop <= 4.27.0

Containerd < 1.6.28

 

 

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3.1 Éý¼¶°æ±¾

ÏÖÔÚ²¿·ÖÈÝÆ÷»ù´¡ÉèÊ©ÖÐÒѾ­ÐÞ¸´ÁËÕâЩÎó²î£¬ÊÜÓ°ÏìÓû§¿ÉÉý¼¶µ½ÒÔÏ°汾£º

Runc >= 1.1.12

BuildKit >= 0.12.5

Moby (Docker Engine) >= 25.0.2 ºÍ >= 24.0.9

Docker Desktop >= 4.27.1

Containerd >= 1.6.28

ÏÂÔØÁ´½Ó£º

https://snyk.io/blog/leaky-vessels-docker-runc-container-breakout-vulnerabilities/

3.2 ÔÝʱ²½·¥

ÈçÎÞ·¨Éý¼¶µ½ÐÞ¸´°æ±¾£¬¿É×ñÕÕÒÔÏÂ×î¼Ñʵ¼ùÀ´½µµÍΣº¦£º

l  ½öʹÓÃÊÜÐÅÍÐµÄ Docker ¾µÏñ£¨ÀýÈçDocker ¹Ù·½¾µÏñ£©¡£

l  ²»Òª´Ó²»ÊÜÐÅÍеÄȪԴ»ò²»ÊÜÐÅÍÐµÄ Dockerfile ¹¹½¨ Docker ¾µÏñ¡£

l  ÈôÊÇÊÇʹÓà Docker Desktop µÄ Docker Business ¿Í»§£¬²¢ÇÒÎÞ·¨ÔÚ v4.27.1 Ðû²¼ºóÁ¬Ã¦¸üе½¸Ã°æ±¾£¬ÇëÈ·±£ÆôÓà Hardened Docker Desktop ¹¦Ð§£¬ÀýÈ磺

¨¹  ÔöÇ¿µÄÈÝÆ÷¸ôÀ루Enhanced Container Isolation£©£¬¿ÉÔÚ´Ó¶ñÒâ¾µÏñÔËÐÐÈÝÆ÷µÄÇéÐÎϼõÇáCVE-2024-21626µÄÓ°Ïì¡£

¨¹  ¾µÏñ»á¼ûÖÎÀíºÍ×¢²á±í»á¼ûÖÎÀí£¬¿ÉÈÃÆóÒµ¿ØÖÆÓû§¿ÉÒÔ»á¼ûÄÄЩ¾µÏñºÍ´æ´¢¿â¡£

l  ¹ØÓÚ CVE-2024-23650¡¢CVE-2024-23651¡¢CVE-2024-23652 ºÍ CVE-2024-23653£¬Çë×èֹʹÓÃÀ´×Ô²»ÊÜÐÅÍÐȪԴµÄBuildKit Ç°¶Ë¡£Ç°¶Ë¾µÏñͨ³£ÔÚ Dockerfile µÄ #syntax ÐÐÖÐÖ¸¶¨£¬»òÔÚʹÓà buildctl build ÏÂÁîʱʹÓà --frontend ±ê¼ÇÖ¸¶¨¡£

l  Òª»º½â CVE-2024-24557 µÄÓ°Ï죬ÇëÈ·±£ÔÚ¹¹½¨¾µÏñʱʹÓà BuildKit »ò½ûÓûº´æ¡£


3.3 ͨÓý¨Òé

l  °´ÆÚ¸üÐÂϵͳ²¹¶¡£¬ïÔ̭ϵͳÎó²î£¬ÌáÉý·þÎñÆ÷µÄÇå¾²ÐÔ¡£

l  ÔöǿϵͳºÍÍøÂçµÄ»á¼û¿ØÖÆ£¬Ð޸ķÀ»ðǽսÂÔ£¬¹Ø±Õ·ÇÐëÒªµÄÓ¦Óö˿ڻò·þÎñ£¬ïÔÌ­½«Î£ÏÕ·þÎñ£¨ÈçSSH¡¢RDPµÈ£©Ì»Â¶µ½¹«Íø£¬ïÔÌ­¹¥»÷Ãæ¡£

l  ʹÓÃÆóÒµ¼¶Çå¾²²úÆ·£¬ÌáÉýÆóÒµµÄÍøÂçÇå¾²ÐÔÄÜ¡£

l  ÔöǿϵͳÓû§ºÍȨÏÞÖÎÀí£¬ÆôÓöàÒòËØÈÏÖ¤»úÖƺÍ×îСȨÏÞÔ­Ôò£¬Óû§ºÍÈí¼þȨÏÞÓ¦¼á³ÖÔÚ×îµÍÏ޶ȡ£

l  ÆôÓÃÇ¿ÃÜÂëÕ½ÂÔ²¢ÉèÖÃΪ°´ÆÚÐ޸ġ£

3.4 ²Î¿¼Á´½Ó

https://github.com/opencontainers/runc/security/advisories/GHSA-xr7r-f8xq-vfvv

https://snyk.io/blog/leaky-vessels-docker-runc-container-breakout-vulnerabilities/

https://snyk.io/blog/cve-2024-21626-runc-process-cwd-container-breakout/

https://www.docker.com/blog/docker-security-advisory-multiple-vulnerabilities-in-runc-buildkit-and-moby/

 


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