¡¾·ì϶¹«¸æ¡¿Apache MINA SSHD·´ÐòÁл¯·ì϶£¨CVE-2022-45047£©

°ä²¼¹¦·ò 2022-11-16

0x00 ·ì϶¸ÅÊö

CVE   ID

CVE-2022-45047

·¢ÏÖ¹¦·ò

2022-11-16

Àà    ÐÍ

·´ÐòÁл¯

µÈ    ¼¶

¸ßΣ

Ô¶³ÌÀûÓÃ

ÊÇ

Ó°ÏìÁìÓò


¹¥»÷¸´ÔÓ¶È

µÍ

Óû§½»»¥

ÎÞ

PoC/EXP


ÔÚÒ°ÀûÓÃ


 

0x01 ·ì϶ÏêÇé

Apache MINAÊÇÒ»¸ö¿ÉÄÜÔ®ÊÖÓû§¿ª·¢¸ß»úÄܺ͸߿ÉÀ©´óÐÔÍøÂçÀûÓ÷¨Ê½µÄ¿ò¼Ü £¬Apache MINA SSHDÊÇÖ§³Ö¿Í»§¶ËºÍ·þÎñÆ÷¶ËµÄSSH ºÍ̸µÄ×ÛºÏJava ¿â¡£

11ÔÂ15ÈÕ £¬Apache°ä²¼°²È«²¼¸æ £¬½¨¸´ÁËApache MINA SSHDÖеÄÒ»¸öJava ·´ÐòÁл¯·ì϶£¨CVE-2022-45047£©¡£

Apache MINA SSHD 2.9.1¼°Ö®Ç°°æ±¾ÖÐ £¬Ààorg.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProviderʹÓò»°²È«µÄJava·´ÐòÁл¯À´¼ÓÔØÐòÁл¯µÄjava.security.PrivateKey £¬µ±Êý¾Ý²»³ÉÐÅʱ £¬¿ÉÄܵ¼Ö´úÂëÖ´ÐС£

 

Ó°ÏìÁìÓò

Apache MINA SSHD°æ±¾ <= 2.9.1

 

0x02 °²È«½¨Òé

Ŀǰ¸Ã·ì϶ÒѾ­½¨¸´ £¬ÊÜÓ°ÏìÓû§Äܹ»Éý¼¶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

Åú¸ÄÄÚÈÝ

V1.0

2022-11-16

³õ´Î°ä²¼

 

0x05 ¸½Â¼

GA»Æ½ð¼×¼ò½é

GA»Æ½ð¼×³ÉÁ¢ÓÚ1996Äê £¬ÊÇÓÉÁôÃÀ²©Ê¿ÑÏÍû¼ÑŮʿ´´½¨µÄ¡¢Õ¼ÓÐÆëÈ«×ÔÖ÷֪ʶ²úȨµÄÐÅÏ¢°²È«¸ß¿Æ¼¼ÆóÒµ¡£ÊǹúÄÚ×î¾ßʵÁ¦µÄÐÅÏ¢°²È«²úÆ·¡¢°²È«·þÎñ½â¾ö¹æ»®µÄÁ캽ÆóÒµÖ®Ò»¡£

¹«Ë¾×ܲ¿Î»ÓÚ±±¾©ÊÐÖйشåÈí¼þÔ°GA»Æ½ð¼×´óÏà £¬¹«Ë¾Ô±¹¤6000ÓàÈË £¬Ñз¢ÍŶÓ1200ÓàÈË, ¼¼Êõ·þÎñÍŶÓ1300ÓàÈË¡£ÔÚÈ«¹ú¸÷Ê¡¡¢ÊÓ×¢×ÔÖÎÇøÉèÁ¢·ÖÖ§»ú¹¹ÁùÊ®¶à¸ö £¬Õ¼Óи²¸ÇÈ«¹úµÄÏúÊÛϵͳ¡¢Çþ·ϵͳºÍ¼¼ÊõÖ§³Öϵͳ¡£¹«Ë¾ÓÚ2010Äê6ÔÂ23ÈÕÔÚÉîÛÚÖÐÓ×°å¹ÒÅÆÉÏÊС££¨¹ÉƱ´úÂ룺002439£©

¶àÄêÀ´ £¬GA»Æ½ð¼×ÖÂÁ¦ÓÚÌṩӵÓйú¼Ê¾ºÕùÁ¦µÄ×ÔÖ÷´´Ðµİ²È«²úÆ·ºÍ×î¼Ñʵ¼Ê·þÎñ £¬Ô®ÊÖ¿Í»§È«ÃæÌáÉýÆäIT»ù´¡ÉèÊ©µÄ°²È«ÐԺͳö²úЧÁ¦ £¬Îª´òÔìºÍÌáÉý¹ú¼Ê»¯µÄÃñ×åÐÅÏ¢°²È«²úÒµÁì¾üÆ·ÅÆ¶ø²»Ð¸ÖÂÁ¦¡£


¹ØÓÚGA»Æ½ð¼×

GA»Æ½ð¼×°²È«Ó¦¼±ÏìÓ¦ÖÐÐÄÖØÒªÕë¶Ô³ÁÒª°²È«·ì϶µÄÔ¤¾¯¡¢¸ú×ٺͷÖÏíÈ«Çò×îеÄÍþвµý±¨ºÍ°²È«»ã±¨¡£

¹Ø×¢ÒÔϹ«¼ÒºÅ £¬»ñȡȫÇò×îа²È«×ÊѶ£º

image.png