¡¾Îó²îͨ¸æ¡¿Artifex Ghostscriptí§ÒâÎļþ¶ÁдÎó²î£¨CVE-2024-29511£©

Ðû²¼Ê±¼ä 2024-07-11

Ò»¡¢Îó²î¸ÅÊö

Îó²îÃû³Æ

Artifex Ghostscriptí§ÒâÎļþ¶ÁдÎó²î

CVE   ID

CVE-2024-29511

Îó²îÀàÐÍ

Ŀ¼±éÀú

·¢Ã÷ʱ¼ä

2024-07-04

Îó²îÆÀ·Ö

7.5

Îó²îÆ·¼¶

¸ßΣ

¹¥»÷ÏòÁ¿

ÍøÂç

ËùÐèȨÏÞ

ÎÞ

ʹÓÃÄѶÈ

µÍ

Óû§½»»¥

ÎÞ

PoC/EXP

ÒѹûÕæ

ÔÚҰʹÓÃ

δ·¢Ã÷

 

GhostscriptÊÇÃÀ¹úArtifex Software¹«Ë¾µÄÒ»¿î¿ªÔ´µÄPostScriptÆÊÎöÆ÷£¬±»ÆÕ±éÓ¦ÓÃÓÚÎĵµ×ª»»ºÍ´òÓ¡·þÎñ¡£

2024Äê7ÔÂ10ÈÕ£¬ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍø¼¯ÍÅVSRC¼à²âµ½Artifex Ghostscriptí§ÒâÎļþ¶ÁдÎó²î£¨CVE-2024-29511£©µÄÎó²îϸ½Ú¼°PoCÔÚ»¥ÁªÍøÉϹûÕ棬¸ÃÎó²îµÄCVSSÆÀ·ÖΪ7.5¡£

ÔÚʹÓÃTesseract OCRÒýÇæÀ´Ê¶±ðºÍת»»Í¼ÏñÖеÄÎı¾Ê±£¬Artifex Ghostscript 10.02.1¼°Ö®Ç°°æ±¾Öб£´æĿ¼±éÀúÎó²î£¬ÍþвÕß¿Éͨ¹ýOCRLanguage²ÎÊýµ¼ÖÂí§ÒâÎļþ¶ÁÈ¡²¢¿ÉÄÜдÈëí§ÒâÎļþ¡£

 

¶þ¡¢Îó²î¸´ÏÖ

 

image.png


Èý¡¢Ó°Ïì¹æÄ£

Ghostscript <= 10.02.1

 

ËÄ¡¢Çå¾²²½·¥

4.1 Éý¼¶°æ±¾

ÏÖÔÚ¸ÃÎó²îÒѾ­ÐÞ¸´£¬ÊÜÓ°ÏìÓû§¿ÉÉý¼¶µ½Ghostscript 10.03.0»ò¸ü¸ß°æ±¾¡£

ÏÂÔØÁ´½Ó£º

https://ghostscript.com/releases/gsdnld.html

4.2 ÔÝʱ²½·¥

ÔÝÎÞ¡£

4.3 ͨ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£

4.4 ²Î¿¼Á´½Ó

https://codeanlabs.com/blog/research/cve-2024-29511-abusing-ghostscripts-ocr-device/

https://www.openwall.com/lists/oss-security/2024/07/03/7

 

Îå¡¢°æ±¾ÐÅÏ¢

°æ±¾

ÈÕÆÚ

±¸×¢

V1.0

2024-07-11

Ê×´ÎÐû²¼

 

 

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

image.png