¡¾·ì϶¹«¸æ¡¿OpenSSL ºÅÁî×¢Èë·ì϶£¨CVE-2022-2068£©

°ä²¼¹¦·ò 2022-06-28

 

0x00 ·ì϶¸ÅÊö

CVE   ID

CVE-2022-2068

·¢ÏÖ¹¦·ò

2022-06-28

Àà    ÐÍ

ºÅÁî×¢Èë

µÈ    ¼¶

ÖÐΣ

Ô¶³ÌÀûÓÃ


Ó°ÏìÁìÓò


¹¥»÷¸´ÔÓ¶È


Óû§½»»¥


PoC/EXP


ÔÚÒ°ÀûÓÃ


 

0x01 ·ì϶ÏêÇé

OpenSSLÊÇÒ»¸ö׳´óµÄ¡¢Ã³Ò×¼¶µÄ¡¢Ö°ÄÜÆëÈ«µÄ¹¤¾ß°ü £¬ÓÃÓÚͨÓüÓÃܺͰ²È«Í¨Ñ¶¡£

6ÔÂ21ÈÕ £¬OpenSSLÏîÄ¿°ä²¼°²È«²¼¸æ £¬½¨¸´ÁËOpenSSLÖеÄÒ»¸öºÅÁî×¢Èë·ì϶£¨CVE-2022-2068£©¡£

ÔÚ½¨¸´CVE-2022-1292£¨c_rehash shell ºÅÁî×¢Èë·ì϶£©Ê± £¬Ã»Óз¢ÏÖc_rehash ¾ç±¾Öб»¹þÏ£µÄÖ¤ÊéµÄÎļþÃû¿ÉÄܱ»´«µÝ¸øshellÖ´ÐеĺÅÁî £¬µ¼ÖÂÄܹ»ÀûÓø÷ì϶ÔÚδÊÚȨµÄÇé¿öÏÂÒԾ籾µÄȨÏÞÖ´ÐÐËÁÒâºÅÁî¡£

 

Ó°ÏìÁìÓò

OpenSSL 3.0.0°æ±¾£º3.0.0¡¢3.0.1¡¢3.0.2¡¢3.0.3

OpenSSL 1.1.1°æ±¾£º1.1.1-1.1.1o

OpenSSL 1.0.2°æ±¾£º1.0.2-1.0.2ze

 

0x02 °²È«½¨Òé

ĿǰOpenSSLÏîÄ¿ÒѾ­½¨¸´ÁËÕâЩ·ì϶ £¬ÊÜÓ°ÏìÓû§Äܹ»¸üе½ÒÔϰ汾£º

OpenSSL 3.0.0£ºÉý¼¶ÖÁ 3.0.4

OpenSSL 1.1.1£ºÉý¼¶ÖÁ 1.1.1p

OpenSSL 1.0.2£ºÉý¼¶ÖÁ 1.0.2zf£¨½öÏ޸߼¶Ö§³Ö¿Í»§£©

ÏÂÔØÁ´½Ó£º

https://www.openssl.org/source/

 

0x03 ²Î¿¼Á´½Ó

https://www.openssl.org/news/secadv/20220621.txt

https://mp.weixin.qq.com/s/uWbiN1MJAVkGHFFdoFlJZg

 

0x04 °æ±¾ÐÅÏ¢

°æ±¾

ÈÕÆÚ

Åú¸ÄÄÚÈÝ

V1.0

2022-06-28

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¤½ü4000ÈË £¬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