Ãë¾àÁ¡ID |
22550 |
À§Çèµµ |
40 |
Æ÷Æ® |
80, ... |
ÇÁ·ÎÅäÄÝ |
TCP |
ºÐ·ù |
WWW |
»ó¼¼¼³¸í |
¹è³ÊÁ¤º¸¿¡ µû¸£¸é ¿ø°ÝÀÇ À¥ ¼¹ö¿¡´Â 1.0.0i ÀÌÀüÀÇ OpenSSL ¹öÀüÀÌ ½ÇÇàµÇ°í ÀÖ´Ù. ÇØ´ç ¹öÀüÀº memory corruption Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù. ÇØ´ç ¹öÀüÀº 'asn1_d2i_read_bio' ÇÔ¼ö¿¡¼ ASN.1 DER Æ÷¸Ë µ¥ÀÌÅ͸¦ ÀÐÀ» ¶§ integer truncation ¿¡·¯°¡ Á¸ÀçÇØ memory corruptionÃë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù. 'BIO' , 'FILE'ÀÇ ±âº»ÇÔ¼ö¸¦ »ç¿ëÇÏ´Â ¾îÇø®ÄÉÀ̼ǰú 'SMIME_read_PKCS7', 'SMIME_read_CMS' Æļ¸¦ »ç¿ëÇÏ´Â 'S/MIME', 'CMS'¾îÇø®ÄÉÀ̼ÇÀÌ ¿µÇâÀ» ¹Þ´Â´Ù.
OpenSSLÀÇ SSL/TLS, memory-based ASN.1('d2i_X509', 'd2i_PKCS12',...) ÇÔ¼ö¿Í PEMÇÔ¼ö¸¸ »ç¿ëÇÏ´Â ¾îÇø®ÄÉÀ̼ÇÀº ¿µÇâÀ» ¹ÞÁö ¾Ê´Â´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://openssl.org/news/secadv_20120419.txt http://www.openssl.org/news/changelog.html http://seclists.org/fulldisclosure/2012/Apr/210
* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû: 1.0.0i ÀÌÀüÀÇ OpenSSL 1.0.0 |
ÇØ°áÃ¥ |
OpenSSL À¥ »çÀÌÆ®ÀÎ http://www.openssl.org/ ¿¡¼ ±¸ÇÒ ¼ö ÀÖ´Â OpenSSLÀÇ °¡Àå ÃֽŠ¹öÀü(1.0.0i ¶Ç´Â ÀÌÈÄ)À¸·Î ¾÷±×·¹À̵å ÇÏ¿©¾ß ÇÑ´Ù. |
°ü·Ã URL |
CVE-2012-2110 (CVE) |
°ü·Ã URL |
53158 (SecurityFocus) |
°ü·Ã URL |
(ISS) |
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