¡¾Îó²îͨ¸æ¡¿Artifex Ghostscriptí§Òâ´úÂëÖ´ÐÐÎó²î£¨CVE-2024-29510£©

Ðû²¼Ê±¼ä 2024-07-04

Ò»¡¢Îó²î¸ÅÊö

Îó²îÃû³Æ

    Artifex   Ghostscriptí§Òâ´úÂëÖ´ÐÐÎó²î

CVE   ID

CVE-2024-29510

Îó²îÀàÐÍ

ÃûÌÃ×Ö·û´®×¢Èë

·¢Ã÷ʱ¼ä

2024-07-04

Îó²îÆÀ·Ö

5.5

Îó²îÆ·¼¶

ÖÐΣ

¹¥»÷ÏòÁ¿

ÍâµØ

ËùÐèȨÏÞ

ÎÞ

ʹÓÃÄѶÈ

µÍ

Óû§½»»¥

ÊÇ

PoC/EXP

ÒѹûÕæ

ÔÚҰʹÓÃ

δ·¢Ã÷

 

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

2024Äê7ÔÂ4ÈÕ£¬ÓÅ·¢¹ú¼ÊÍøÕ¾¹ÙÍø¼¯ÍÅVSRC¼à²âµ½GhostscriptÖб£´æÒ»¸öí§Òâ´úÂëÖ´ÐÐÎó²î£¨CVE-2024-29510£©£¬ÆäCVSSÆÀ·ÖΪ5.5£¬ÏÖÔÚ¸ÃÎó²îµÄϸ½Ú¼°PoCÒѹûÕæ¡£

Artifex Ghostscript °æ±¾10.03.1֮ǰ£¬ÔÚÆôÓÃSAFERºóGhostscript ²»»á×èÖ¹¶Ôuniprint ×°±¸²ÎÊý×Ö·û´®µÄ¸ü¸Ä£¬´Ó¶øµ¼ÖÂÃûÌÃ×Ö·û´®Îó²î£¬ÍþвÕß¿ÉʹÓøÃÎó²îÆÆËðÄÚ´æ²¢ÈƹýSAFERɳºÐ£¬ÀÖ³ÉʹÓÿÉÄܵ¼ÖÂí§Òâ´úÂëÖ´ÐС£

 

 

¶þ¡¢Îó²î¸´ÏÖ

image.png

 

Èý¡¢Ó°Ïì¹æÄ£

Ghostscript < 10.03.1

×¢£ºÐí¶à Linux ¿¯ÐаæÖÐĬÈÏ×°Öà Ghostscript£¬²¢ÇÒÐí¶à´òӡϵͳºÍÈí¼þ¶¼Ê¹ÓÃGhostscript£¬ÈçLibreOffice¡¢GIMP¡¢Inkscape¡¢ScribusºÍCUPS´òӡϵͳµÈ¡£

±ðµÄ£¬¸ÃÎó²î¿ÉÄܱ»ÓÃÓÚ´¹ÂÚ¹¥»÷£¬Í¨¹ýÓÕµ¼Ä¿µÄÊܺ¦Õß·­¿ªÌØÖƶñÒâÎĵµµ¼ÖÂÔ¶³Ì´úÂëÖ´ÐУ¬ºÃ±È¿Éͨ¹ý½«¶ñÒâEPSÎļþǶÈëµ½LibreOfficeÎĵµÖÐÌìÉúODTÎļþ£¬µ±Êܺ¦Õßͨ¹ýLibreOffice·­¿ªÊ±½«µ¼Ö´úÂëÖ´ÐС£

 

ËÄ¡¢Çå¾²²½·¥

4.1 Éý¼¶°æ±¾

ÏÖÔÚ¸ÃÎó²îÒѾ­ÐÞ¸´£¬ÊÜÓ°ÏìÓû§¿ÉÉý¼¶µ½ÒÔÏ°汾£º

Ghostscript >= 10.03.1

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://bugs.ghostscript.com/show_bug.cgi?id=707662

https://codeanlabs.com/blog/research/cve-2024-29510-ghostscript-format-string-exploitation/

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

 

 

Îå¡¢°æ±¾ÐÅÏ¢

°æ±¾

ÈÕÆÚ

±¸×¢

V1.0

2024-07-04

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