¡¾Îó²îͨ¸æ¡¿Apache MINA SSHD·´ÐòÁл¯Îó²î£¨CVE-2022-45047£©
Ðû²¼Ê±¼ä 2022-11-160x00 Îó²î¸ÅÊö
CVE ID | CVE-2022-45047 | ·¢Ã÷ʱ¼ä | 2022-11-16 |
Àà ÐÍ | ·´ÐòÁл¯ | µÈ ¼¶ | ¸ßΣ |
Ô¶³ÌʹÓà | ÊÇ | Ó°Ïì¹æÄ£ | |
¹¥»÷ÖØÆ¯ºó | µÍ | Óû§½»»¥ | ÎÞ |
PoC/EXP | ÔÚҰʹÓà |
0x01 Îó²îÏêÇé
Apache MINAÊÇÒ»¸öÄܹ»×ÊÖúÓû§¿ª·¢¸ßÐÔÄܺ͸߿ÉÀ©Õ¹ÐÔÍøÂçÓ¦ÓóÌÐòµÄ¿ò¼Ü£¬£¬£¬£¬£¬£¬£¬Apache MINA SSHDÊÇÖ§³Ö¿Í»§¶ËºÍЧÀÍÆ÷¶ËµÄSSH ÐÒéµÄ×ÛºÏJava ¿â¡£¡£¡£¡£
11ÔÂ15ÈÕ£¬£¬£¬£¬£¬£¬£¬ApacheÐû²¼Ç徲ͨ¸æ£¬£¬£¬£¬£¬£¬£¬ÐÞ¸´ÁËApache MINA SSHDÖеÄÒ»¸öJava ·´ÐòÁл¯Îó²î£¨CVE-2022-45047£©¡£¡£¡£¡£
Apache MINA SSHD 2.9.1¼°Ö®Ç°°æ±¾ÖУ¬£¬£¬£¬£¬£¬£¬Ààorg.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProviderʹÓò»Çå¾²µÄJava·´ÐòÁл¯À´¼ÓÔØÐòÁл¯µÄjava.security.PrivateKey£¬£¬£¬£¬£¬£¬£¬µ±Êý¾Ý²»¿ÉÐÅʱ£¬£¬£¬£¬£¬£¬£¬¿ÉÄܵ¼Ö´úÂëÖ´ÐС£¡£¡£¡£
Ó°Ïì¹æÄ£
Apache MINA SSHD°æ±¾ <= 2.9.1
0x02 Çå¾²½¨Òé
ÏÖÔÚ¸ÃÎó²îÒѾÐÞ¸´£¬£¬£¬£¬£¬£¬£¬ÊÜÓ°ÏìÓû§¿ÉÒÔÉý¼¶µ½Apache MINA SSHD °æ±¾2.9.2¡£¡£¡£¡£
ÏÂÔØÁ´½Ó£º
https://github.com/apache/mina-sshd
0x03 ²Î¿¼Á´½Ó
https://www.mail-archive.com/announce@apache.org/msg07739.html
https://nvd.nist.gov/vuln/detail/CVE-2022-45047
0x04 °æ±¾ÐÅÏ¢
°æ±¾ | ÈÕÆÚ | ÐÞ¸ÄÄÚÈÝ |
V1.0 | 2022-11-16 | Ê×´ÎÐû²¼ |
0x05 ¸½Â¼
¼øºÚµ£±£Íø¼ò½é
¼øºÚµ£±£Íø½¨ÉèÓÚ1996Ä꣬£¬£¬£¬£¬£¬£¬ÊÇÓÉÁôÃÀ²©Ê¿ÑÏÍû¼ÑŮʿ½¨ÉèµÄ¡¢ÓµÓÐÍêÈ«×ÔÖ÷֪ʶ²úȨµÄÐÅÏ¢Çå¾²¸ß¿Æ¼¼ÆóÒµ¡£¡£¡£¡£ÊǺ£ÄÚ×î¾ßʵÁ¦µÄÐÅÏ¢Çå¾²²úÆ·¡¢Ç徲ЧÀͽâ¾ö¼Æ»®µÄÁ캽ÆóÒµÖ®Ò»¡£¡£¡£¡£
¹«Ë¾×ܲ¿Î»ÓÚ±±¾©ÊÐÖйشåÈí¼þÔ°¼øºÚµ£±£Íø´óÏ㬣¬£¬£¬£¬£¬£¬¹«Ë¾Ô±¹¤6000ÓàÈË£¬£¬£¬£¬£¬£¬£¬Ñз¢ÍŶÓ1200ÓàÈË, ÊÖÒÕЧÀÍÍŶÓ1300ÓàÈË¡£¡£¡£¡£ÔÚÌìϸ÷Ê¡¡¢ÊС¢×ÔÖÎÇøÉèÁ¢·ÖÖ§»ú¹¹ÁùÊ®¶à¸ö£¬£¬£¬£¬£¬£¬£¬ÓµÓÐÁýÕÖÌìϵÄÏúÊÛϵͳ¡¢ÇþµÀϵͳºÍÊÖÒÕÖ§³Öϵͳ¡£¡£¡£¡£¹«Ë¾ÓÚ2010Äê6ÔÂ23ÈÕÔÚÉîÛÚÖÐС°å¹ÒÅÆÉÏÊС£¡£¡£¡££¨¹ÉƱ´úÂ룺002439£©
¶àÄêÀ´£¬£¬£¬£¬£¬£¬£¬¼øºÚµ£±£ÍøÖÂÁ¦ÓÚÌṩ¾ßÓйú¼Ê¾ºÕùÁ¦µÄ×ÔÖ÷Á¢ÒìµÄÇå¾²²úÆ·ºÍ×î¼Ñʵ¼ùЧÀÍ£¬£¬£¬£¬£¬£¬£¬×ÊÖú¿Í»§ÖÜÈ«ÌáÉýÆäIT»ù´¡ÉèÊ©µÄÇå¾²ÐÔºÍÉú²úЧÄÜ£¬£¬£¬£¬£¬£¬£¬Îª´òÔìºÍÌáÉý¹ú¼Ê»¯µÄÃñ×åÐÅÏ¢Çå¾²¹¤ÒµÁì¾üÆ·ÅÆ¶ø²»Ð¸Æð¾¢¡£¡£¡£¡£
¹ØÓÚ¼øºÚµ£±£Íø
¼øºÚµ£±£ÍøÇå¾²Ó¦¼±ÏìÓ¦ÖÐÐÄÖ÷ÒªÕë¶ÔÖ÷ÒªÇå¾²Îó²îµÄÔ¤¾¯¡¢¸ú×ٺͷÖÏíÈ«Çò×îеÄÍþвÇ鱨ºÍÇå¾²±¨¸æ¡£¡£¡£¡£
¹Ø×¢ÒÔϹ«Öںţ¬£¬£¬£¬£¬£¬£¬»ñȡȫÇò×îÐÂÇå¾²×ÊѶ£º