¡¾Îó²îͨ¸æ¡¿Jenkins Remotingí§ÒâÎļþ¶ÁÈ¡Îó²î£¨CVE-2024-43044£©
Ðû²¼Ê±¼ä 2024-08-08Ò»¡¢Îó²î¸ÅÊö
Îó²îÃû³Æ | Jenkins Remotingí§ÒâÎļþ¶ÁÈ¡Îó²î | ||
CVE ID | CVE-2024-43044 | ||
Îó²îÀàÐÍ | Îļþ¶ÁÈ¡¡¢RCE | ·¢Ã÷ʱ¼ä | 2024-08-08 |
Îó²îÆÀ·Ö | 8.8 | Îó²îÆ·¼¶ | ¸ßΣ |
¹¥»÷ÏòÁ¿ | ÍøÂç | ËùÐèȨÏÞ | µÍ |
ʹÓÃÄÑ¶È | µÍ | Óû§½»»¥ | ÎÞ |
PoC/EXP | ÒѹûÕæ | ÔÚҰʹÓà | δ·¢Ã÷ |
JenkinsÊÇÒ»¸ö¿ªÔ´µÄ¡¢ÌṩһÁ¬¼¯³É·þÎñ£¨CI£©µÄÈí¼þƽ̨¡£Jenkins ʹÓà Remoting ¿â£¨Í¨³£Îªagent.jar»òremoting.jar£©ÊµÏÖ¿ØÖÆÆ÷ÓëÊðÀíÖ®¼äµÄͨѶ£¬¸Ã¿âÔÊÐíÊðÀí´Ó¿ØÖÆÆ÷¼ÓÔØÀàºÍÀà¼ÓÔØÆ÷×ÊÔ´£¬ÒÔ±ã´Ó¿ØÖÆÆ÷·¢Ë굀 Java ¹¤¾ß£¨¹¹½¨°ì·¨µÈ£©¿ÉÒÔÔÚÊðÀíÉÏÖ´ÐС£
8ÔÂ8ÈÕ£¬ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍø¼¯ÍÅVSRC¼à²âµ½JenkinsÖÐÐÞ¸´ÁËÒ»¸öí§ÒâÎļþ¶ÁÈ¡Îó²î£¨CVE-2024-43044£©£¬ÆäCVSSÆÀ·ÖΪ8.8£¬ÏÖÔÚ¸ÃÎó²îµÄÊÖÒÕϸ½Ú¼°PoCÒѹûÕæ¡£
Jenkins ¶à¸öÊÜÓ°Ïì°æ±¾ÔÚRemoting¿âÖб£´æí§ÒâÎļþ¶ÁÈ¡Îó²î£¬ÓÉÓÚClassLoaderProxy#fetchJarÒªÁìûÓÐÏÞÖÆÊðÀí£¨agent£©¿ÉÒÔÇëÇó´Ó¿ØÖÆÆ÷£¨controller£©Îļþϵͳ¶ÁÈ¡µÄ·¾¶£¬¿ÉÄܵ¼ÖÂÊðÀíÀú³Ì¡¢ÒÔ¼°ÓµÓÐAgent/ConnectȨÏÞµÄÍþвÕß´ÓJenkins¿ØÖÆÆ÷Îļþϵͳ¶ÁÈ¡í§ÒâÎļþ£¨Èçƾ֤¡¢ÉèÖÃÎļþµÈÃô¸ÐÐÅÏ¢£©²¢¿ÉÄܽøÒ»²½Ê¹Óõ¼ÖÂÔ¶³Ì´úÂëÖ´ÐС£
±ðµÄ£¬JenkinsÖл¹ÐÞ¸´ÁËÒ»¸öδÊÚȨ»á¼ûÎó²î£¨CVE-2024-43045£©£¬ÓÉÓÚÔÚHTTP ¶ËµãÖÐȱÉÙȨÏÞ¼ì²é£¬¿ÉÄܵ¼Ö¾ßÓÐÏìӦȨÏÞµÄÍþвÕß»á¼û»ò¸ü¸ÄÆäËûÓû§µÄMy Views¡£
¶þ¡¢Îó²î¸´ÏÖ
Èý¡¢Ó°Ïì¹æÄ£
Jenkins <= 2.470
Jenkins LTS <= 2.452.3
ÊÜÓ°Ïì×é¼þ£º
Jenkins Remoting °æ±¾<= 3256.v88a_f6e922152£¨3206.3208.v409508a_675ff ºÍ 3248.3250.v3277a_8e88c9b_ ³ýÍ⣩
ËÄ¡¢Çå¾²²½·¥
4.1 Éý¼¶°æ±¾
ÏÖÔÚÕâЩÎó²îÒѾÐÞ¸´£¬ÊÜÓ°ÏìÓû§¿ÉÉý¼¶µ½Jenkins 2.471¡¢LTS 2.452.4¡¢LTS 2.462.1»ò¸ü¸ß°æ±¾¡£
ÏÂÔØÁ´½Ó£º
https://www.jenkins.io/download/
4.2 ÔÝʱ²½·¥
ÔÝÎÞ¡£
4.3 ͨÓý¨Òé
l °´ÆÚ¸üÐÂϵͳ²¹¶¡£¬ïÔÌϵͳÎó²î£¬ÌáÉý·þÎñÆ÷µÄÇå¾²ÐÔ¡£
l ÔöǿϵͳºÍÍøÂçµÄ»á¼û¿ØÖÆ£¬Ð޸ķÀ»ðǽսÂÔ£¬¹Ø±Õ·ÇÐëÒªµÄÓ¦Óö˿ڻò·þÎñ£¬ïÔ̽«Î£ÏÕ·þÎñ£¨ÈçSSH¡¢RDPµÈ£©Ì»Â¶µ½¹«Íø£¬ïÔ̹¥»÷Ãæ¡£
l ʹÓÃÆóÒµ¼¶Çå¾²²úÆ·£¬ÌáÉýÆóÒµµÄÍøÂçÇå¾²ÐÔÄÜ¡£
l ÔöǿϵͳÓû§ºÍȨÏÞÖÎÀí£¬ÆôÓöàÒòËØÈÏÖ¤»úÖƺÍ×îСȨÏÞÔÔò£¬Óû§ºÍÈí¼þȨÏÞÓ¦¼á³ÖÔÚ×îµÍÏ޶ȡ£
l ÆôÓÃÇ¿ÃÜÂëÕ½ÂÔ²¢ÉèÖÃΪ°´ÆÚÐ޸ġ£
4.4 ²Î¿¼Á´½Ó
https://www.jenkins.io/security/advisory/2024-08-07/
https://github.com/jenkinsci/remoting
https://blog.convisoappsec.com/en/analysis-of-cve-2024-43044/
https://nvd.nist.gov/vuln/detail/CVE-2024-43044
Îå¡¢°æ±¾ÐÅÏ¢
°æ±¾ | ÈÕÆÚ | ±¸×¢ |
V1.0 | 2024-08-08 | Ê×´ÎÐû²¼ |
V1.1 | 2024-09-02 | ¸üÐÂÎó²î¸ÅÊö£¬ÐÂÔöÎó²î¸´ÏÖ |
Áù¡¢¸½Â¼
6.1 ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍø¼ò½é
ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍø½¨ÉèÓÚ1996Ä꣬ÊÇÓÉÁôÃÀ²©Ê¿ÑÏÍû¼ÑŮʿ½¨ÉèµÄ¡¢ÓµÓÐÍêÈ«×ÔÖ÷֪ʶ²úȨµÄÐÅÏ¢Çå¾²¸ß¿Æ¼¼ÆóÒµ¡£ÊǺ£ÄÚ×î¾ßʵÁ¦µÄÐÅÏ¢Çå¾²²úÆ·¡¢Çå¾²·þÎñ½â¾ö¼Æ»®µÄÁ캽ÆóÒµÖ®Ò»¡£
¹«Ë¾×ܲ¿Î»ÓÚ±±¾©ÊÐÖйشåÈí¼þÔ°ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍø´óÏ㬹«Ë¾Ô±¹¤6000ÓàÈË£¬Ñз¢ÍŶÓ1200ÓàÈË, ÊÖÒÕ·þÎñÍŶÓ1300ÓàÈË¡£ÔÚÌìϸ÷Ê¡¡¢ÊС¢×ÔÖÎÇøÉèÁ¢·ÖÖ§»ú¹¹ÁùÊ®¶à¸ö£¬ÓµÓÐÁýÕÖÌìϵÄÏúÊÛϵͳ¡¢ÇþµÀϵͳºÍÊÖÒÕÖ§³Öϵͳ¡£¹«Ë¾ÓÚ2010Äê6ÔÂ23ÈÕÔÚÉîÛÚÖÐС°å¹ÒÅÆÉÏÊС££¨¹ÉƱ´úÂ룺002439£©
¶àÄêÀ´£¬ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍøÖÂÁ¦ÓÚÌṩ¾ßÓйú¼Ê¾ºÕùÁ¦µÄ×ÔÖ÷Á¢ÒìµÄÇå¾²²úÆ·ºÍ×î¼Ñʵ¼ù·þÎñ£¬×ÊÖú¿Í»§ÖÜÈ«ÌáÉýÆäIT»ù´¡ÉèÊ©µÄÇå¾²ÐÔºÍÉú²úЧÄÜ£¬Îª´òÔìºÍÌáÉý¹ú¼Ê»¯µÄÃñ×åÐÅÏ¢Çå¾²¹¤ÒµÁì¾üÆ·Åƶø²»Ð¸Æ𾢡£
6.2 ¹ØÓÚÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍø
ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍøÇå¾²Ó¦¼±ÏìÓ¦ÖÐÐÄÒÑÐû²¼1000¶à¸öÎó²îͨ¸æºÍΣº¦Ô¤¾¯£¬ÎÒÃǽ«Ò»Á¬¸ú×ÙÈ«Çò×îеÄÍøÂçÇå¾²ÊÂÎñºÍÎó²î£¬ÎªÆóÒµµÄÐÅÏ¢Çå¾²±£¼Ý»¤º½¡£
¹Ø×¢ÎÒÃÇ£º