Ãë¾àÁ¡ID |
22540 |
À§Çèµµ |
30 |
Æ÷Æ® |
80, ... |
ÇÁ·ÎÅäÄÝ |
TCP |
ºÐ·ù |
WWW |
»ó¼¼¼³¸í |
¹è³ÊÁ¤º¸¿¡ µû¸£¸é ¿ø°ÝÀÇ À¥ ¼¹ö¿¡´Â 0.9.8h ÀÌÀüÀÇ OpenSSL ¹öÀüÀÌ ½ÇÇàµÇ°í ÀÖ´Ù. ÇØ´ç ¹öÀüÀº ´ÙÁß Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù. - Ưº°È÷ Á¶ÀÛµÈ TLS 1.0 'Client Hello' ÆÐŶ°ú ¼¹öÀ̸§À» ´Ù·ç´Â ¹æ¹ý¿¡ double-free ¿¡·¯°¡ Á¸ÀçÇÑ´Ù.
- TLS Çڵ彦ÀÌÅ© °úÁ¤°ú anonymous Diffie-Hellman Å° ±³È¯¿¡¼ ³Î Æ÷ÀÎÅÍ ÂüÁ¶ ¿¡·¯°¡ Á¸ÀçÇÑ´Ù. ÀÌ Ãë¾àÁ¡Àº Çڵ彦ÀÌÅ© °úÁ¤¿¡¼ 'Server Key exchange message'À» »©¹ö¸²À¸·Î½á ¹ß»ýÇÏ¸ç ¾îÇø®ÄÉÀ̼ÇÀ» Å©·¡½¬ ½Ãų¼ö ÀÖ´Ù.
- 32ºñÆ® ¹öÀü¿¡¼ NIST elliptic curves P-256 ³ª P-384À» °è»êÇÒ¶§ Á¤º¸À¯Ãâ Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù. ÀÌ Ãë¾àÁ¡À» ÀÌ¿ëÇÏ¿© °ø°ÝÀÚ´Â TLS¼¹öÀÇ °³ÀÎÅ°¸¦ ¹ß°ßÇÒ ¼ö ÀÖ´Ù.
* ¾Ë¸²: ÀÌ Á¡°ËÇ׸ñÀº ÀÌ Ãë¾àÁ¡À» Á¡°ËÇϱâ À§ÇØ ÇØ´ç ¼¹öÀÇ ¹öÀü Á¤º¸¸¸À» È®ÀÎÇÑ´Ù. µû¶ó¼ °ÅÁþ ¾ç¼º¹ÝÀÀ(False Positive)À» º¸ÀÏ ¼ö ÀÖ´Ù.
* Âü°í »çÀÌÆ®: http://www.openwall.com/lists/oss-security/2011/12/01/6 http://www.openssl.org/news/secadv_20080528.txt
* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû: 0.9.8h ÀÌÀüÀÇ OpenSSL 0.9.8 |
ÇØ°áÃ¥ |
OpenSSLÀÇ °¡Àå ÃֽŠ¹öÀü(0.9.8h ¶Ç´Â ÀÌÈÄ)À¸·Î ¾÷±×·¹À̵å ÇÏ¿©¾ß ÇÑ´Ù. |
°ü·Ã URL |
CVE-2008-0891,CVE-2008-1672,CVE-2011-4354 (CVE) |
°ü·Ã URL |
29405,50882 (SecurityFocus) |
°ü·Ã URL |
(ISS) |
|