English
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Ãë¾àÁ¡ID 22635
À§Çèµµ 30
Æ÷Æ® 80, ...
ÇÁ·ÎÅäÄÝ TCP
ºÐ·ù WWW
»ó¼¼¼³¸í ¹è³ÊÁ¤º¸¿¡ ÀÇÇÏ¸é ¿ø°Ý À¥ ¼­¹ö¿¡´Â OpenSSL 0.9.8 ÀÌÀü 0.9.8zc ¹öÀüÀÌ ½ÇÇàµÇ°í ÀÖÀ¸¸ç, ´ÙÀ½ÀÇ ´ÙÁß Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù.

- cipher block chaining (CBC) ¸ðµå¿¡¼­ SSL 3.0 ÇÚµéÀÌ block cipher¸¦ ÅëÇÏ¿© ¾ÏȣȭµÈ ¸Þ½ÃÁö¸¦ ÇØÁ¦ÇÒ¶§ padding bytes¿¡ ¿¡·¯°¡ Á¸ÀçÇÑ´Ù. Man-in-the-middle °ø°ÝÀÚ´Â 256¹ø ÀÌÇÏÀÇ ½Ãµµ·Î ¾ÏȣȭµÈ ÅؽºÆ®¸¦ º¹È£È­ÇÒ ¼ö ÀÖ´Ù. ÀÌ Ãë¾àÁ¡Àº 'POODLE' ·Î ¾Ë·ÁÁ® ÀÖ´Ù. (CVE-2014-3566)

- ¼¼¼Ç ƼÄÏÀ» ´Ù·ê ¶§ ¿¡·¯°¡ Á¸ÀçÇØ ¸Þ¸ð¸® ´©¼ö°¡ ¹ß»ýÇÏ¿© ¼­ºñ½º °ÅºÎ »óÅ¿¡ ºüÁú ¼ö ÀÖ´Ù.(CVE-2014-3567)

- ºôµå ¼³Á¤ °úÁ¤°ú 'no-ssl3' ¿É¼Ç¿¡ ¿¡·¯°¡ Á¸ÀçÇØ, ¼­¹ö¿Í Ŭ¶óÀ̾ðÆ®°£ÀÇ SSL 3.0 Çڵ彦ÀÌÅ© °úÁ¤ÀÌ ºÒ¾ÈÀüÇÑ »óÅ¿¡¼­ ÁøÇàµÉ ¼ö ÀÖ´Ù.(CVE-2014-3568)

* ¾Ë¸²: ÀÌ Á¡°ËÇ׸ñÀº ÀÌ Ãë¾àÁ¡À» Á¡°ËÇϱâ À§ÇØ ¹öÀü Á¤º¸¸¸À» È®ÀÎÇÑ´Ù. µû¶ó¼­ °ÅÁþ ¾ç¼º¹ÝÀÀ(False Positive)À» º¸ÀÏ ¼ö ÀÖ´Ù.

* Âü°í »çÀÌÆ®:
https://www.openssl.org/news/openssl-0.9.8-notes.html
https://www.openssl.org/news/secadv_20141015.txt
https://www.openssl.org/news/vulnerabilities.html
https://www.imperialviolet.org/2014/10/14/poodle.html
https://www.openssl.org/~bodo/ssl-poodle.pdf
https://tools.ietf.org/html/draft-ietf-tls-downgrade-scsv-00

* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû:
OpenSSL 0.9.8zc ÀÌÀüÀÇ 0.9.8 ¹öÀü
Linux Any version
Unix Any version
Microsoft Windows Any version
ÇØ°áÃ¥ OpenSSL À¥ »çÀÌÆ®ÀÎ http://www.openssl.org/ ¿¡¼­ ±¸ÇÒ ¼ö ÀÖ´Â OpenSSLÀÇ °¡Àå ÃֽŠ¹öÀü(0.9.8zc ¶Ç´Â ÀÌÈÄ)À¸·Î ¾÷±×·¹À̵å ÇÏ¿©¾ß ÇÑ´Ù.
°ü·Ã URL CVE-2014-3566,CVE-2014-3567,CVE-2014-3568 (CVE)
°ü·Ã URL 70574,70585,70586 (SecurityFocus)
°ü·Ã URL (ISS)