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Ãë¾àÁ¡ID 22543
À§Çèµµ 30
Æ÷Æ® 80, ...
ÇÁ·ÎÅäÄÝ TCP
ºÐ·ù WWW
»ó¼¼¼³¸í ÇØ´ç À¥ ¼­¹ö´Â 1.4.30 ÀÌÀüÀÇ lighttpdÀÇ ¾î¶² ¹öÀüÀ» °¡µ¿ ÁßÀÌ´Ù. lighttpd´Â ¿ÜºÎ ÇÁ·Î±×·¥µé¿¡ ´ëÇÑ ÀÎÅÍÆäÀ̽º¸¦ Á¦°øÇØ ÁÖ°í À¥ ¾îÇø®ÄÉÀ̼ÇÀÌ °³º°ÀûÀ¸·Î chroot¸¦ ½ÇÇàÇϵµ·Ï ÇØ ÁÖ´Â À¥ ¼­¹öÀÌ´Ù.
¿ø°Ý È£½ºÆ®¿¡´Â 1.4.30 ÀÌÀüÀÇ lighttpd°¡ ÀνºÅçµÇ¾î ÀÖÀ¸¸ç ¼­ºñ½º °ÅºÎ Ãë¾àÁ¡ÀÌ Á¸ÀçÇÑ´Ù.
HTTP¼­¹ö°¡ µðÄÚµùÇÒ ¶§ out-of-bounds°ªÀ» »ç¿ëÇÏ´Â °ÍÀ» Çã¿ëÇϸç, ³ªÁß¿¡ ÀÌ °ªÀ» offsetÀ¸·Î »ç¿ëÇÑ´Ù.
°á°úÀûÀ¸·Î ¸¶À̳ʽº°ªÀÇ offsetÀ» »ç¿ëÇÏ¿© ¾îÇø®ÄÉÀ̼ÇÀÌ Å©·¡½¬µÉ ¼ö ÀÖ´Ù.

* ¾Ë¸²: ÀÌ Á¡°ËÇ׸ñÀº ÀÌ Ãë¾àÁ¡À» Á¡°ËÇϱâ À§ÇØ ÇØ´ç À¥ ¼­¹öÀÇ ¹è³Ê Á¤º¸¸¸À» È®ÀÎÇÑ´Ù. µû¶ó¼­ °ÅÁþ ¾ç¼º¹ÝÀÀ(False Positive)À» º¸ÀÏ ¼ö ÀÖ´Ù.

* Âü°í »çÀÌÆ®:
http://www.lighttpd.net/2011/12/18/1-4-30-faster-than-santa-your-first-present-this-year
http://redmine.lighttpd.net/issues/2370
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txt

* ¿µÇâÀ» ¹Þ´Â Ç÷§Æû:
lighttpd 1.4.30 ÀÌÀüÀÇ ¹öÀüµé
¸ðµç ¿î¿µÃ¼Á¦ ¸ðµç ¹öÀü
ÇØ°áÃ¥ lighttpd À¥ »çÀÌÆ®ÀÎ http://lighttpd.net/download/ ¿¡¼­ lighttpdÀÇ °¡Àå ÃֽŠ¹öÀü(1.4.30 ȤÀº ÀÌÈÄ)À» ±¸ÇÏ¿© ¾÷±×·¹À̵å ÇÏ¿©¾ß ÇÑ´Ù.
°ü·Ã URL CVE-2011-4362 (CVE)
°ü·Ã URL 50851 (SecurityFocus)
°ü·Ã URL (ISS)