[B! CVE-2015-0235] karumadoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

karumado id:karumado

CVE-2015-0235ã«é–¢ã™ã‚‹karumadoã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

Eximã®GHOSTè„†å¼±æ€§ã®å½±éŸ¿ã¨ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ã®é–¢ä¿‚
è¿½è¨˜(2015/2/6) å¤§åž£ã•ã‚“ã‹ã‚‰è¨‚æ£ä¾é ¼ã®ã‚³ãƒ¡ãƒ³ãƒˆã‚’é ‚ã„ã¦ãŠã‚Šã¾ã™ã®ã§åˆã‚ã›ã¦ãŠèªã¿ãã ã•ã„ã€‚å¾³ä¸¸ã¨ã—ã¦ã¯ç‰¹ã«è¨‚æ£ã®å¿…è¦ã¯æ„Ÿã˜ã¾ã›ã‚“ã§ã—ãŸã®ã§ã€æœ¬æ–‡ã¯ãã®ã¾ã¾ã«ã—ã¦ã„ã¾ã™ã€‚ãã†æ€ã†ç†ç”±ã¯ã‚³ãƒ¡ãƒ³ãƒˆã¨ã—ã¦è¿½è¨˜ã„ãŸã—ã¾ã—ãŸã€‚ (è¿½è¨˜çµ‚ã‚ã‚Š) å¤§åž£ã•ã‚“ã®ãƒ–ãƒã‚°ã‚¨ãƒ³ãƒˆãƒªã€ŒGHOSTã‚’ä½¿ã£ã¦æ”»æ’ƒã§ãã‚‹ã‚±ãƒ¼ã‚¹ã€ã‚’èªã‚“ã ã¨ã“ã‚ã€ä»¥ä¸‹ã®ã‚ˆã†ãªã“ã¨ãŒæ›¸ã„ã¦ã‚ã‚Šã¾ã—ãŸã€‚ 1. ãƒ¦ãƒ¼ã‚¶ãƒ¼å…¥åŠ›ã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ï¼ˆãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å±¤ã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ã§ã¯ãªã„ï¼‰ã«æ”»æ’ƒç”¨ãƒ‡ãƒ¼ã‚¿ã‚’é€ã‚‹ã€‚ 2. ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ç„¡ã—ã§æ”»æ’ƒç”¨ã®ä¸æ£ãªIPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’gethostbyname()ã«æ¸¡ã•ã‚Œã‚‹ã€‚ 3. ãƒ’ãƒ¼ãƒ—ã‚ªãƒ¼ãƒãƒ¼ãƒ•ãƒãƒ¼ã§ãƒ’ãƒ¼ãƒ—é ˜åŸŸã®ãƒ¡ãƒ¢ãƒªç®¡ç†ç”¨ã®ç©ºãã‚µã‚¤ã‚ºã‚’æ”¹ç«„ã™ã‚‹ã€‚ ã€ä¸ç•¥ã€‘ ã©ã‚“ãªã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ãŒå±ãªã„ã®ã‹ï¼Ÿ ãƒ¦ãƒ¼ã‚¶ãƒ¼å…¥åŠ›ã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’ãƒãƒªãƒ‡ãƒ¼ã‚·ãƒ§ãƒ³ã—ãªã„ã§gethostbyname()ã‚’ä½¿ç”¨ã—ã¦ã„ã‚‹ã€‚ ã‚¤ãƒ³ã‚¿ãƒ©ã‚¯ãƒ†ã‚£ãƒ–ãªå‹•ä½œã‚’è¡Œã£
karumado 2015/02/03
è„†å¼±æ€§

ghost

CVE-2015-0235
ãƒªãƒ³ã‚¯
GHOST glibc Vulnerability Affects WordPress and PHP applications
After the disclosure of extremely critical GHOST vulnerability in the GNU C library (glibc) â€” a widely used component of most Linux distributions, security researchers have discovered that PHP applications, including the WordPress Content Management System (CMS), could also be affected by the bug. "GHOST" is a serious vulnerability (CVE-2015-0235), announced this week by the researchers of Califor
karumado 2015/01/30
CVE-2015-0235

è„†å¼±æ€§

wordpress
ãƒªãƒ³ã‚¯
glibcã®GHOSTè„†å¼±æ€§ã®å†…å®¹ã¨æ¤œå‡º
(Last Updated On: 2018å¹´8æœˆ4æ—¥)glibcã®gethostbynameã®ãƒãƒƒãƒ•ã‚¡ãƒ¼ã‚ªãƒ¼ãƒãƒ¼ãƒ•ãƒãƒ¼ãƒã‚°ã§ã‚ã‚‹GHOSTãŒã©ã®ã‚ˆã†ãªãƒã‚°ã ã£ãŸã®ã‹æ°—ã«ãªã£ãŸã®ã§èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚Twitterã§ã€ŒGHOSTã¯4ãƒã‚¤ãƒˆã ã‘ã‚ªãƒ¼ãƒãƒ¼ãƒ•ãƒãƒ¼ã™ã‚‹ã€ã¨ã„ã£ãŸãƒ„ã‚¤ãƒ¼ãƒˆã‚’è¦‹ã‹ã‘ãŸã“ã¨ãŒèª¿ã¹ã¯ã˜ã‚ãŸåˆ‡ã£æŽ›ã‘ã§ã™ã€‚ è¿½è¨˜ã ã‚‰ã‘ã«ãªã£ã¦è§£ã‚Šã¥ã‚‰ã„ã®ã§åˆ¥ã‚¨ãƒ³ãƒˆãƒªã§ã¾ã¨ã‚ã¦ã„ã¾ã™ã€‚ http://blog.ohgaki.net/glibc-ghost-revisited å‚è€ƒï¼šã‚ˆã‚Šæ–°ã—ã„glibcã®getaddrinfoã®å•é¡Œã¯ã“ã¡ã‚‰ ãƒã‚°ã®å†…å®¹ ã“ã‚Œã ã‘è©±é¡Œã«ãªã£ã¦ã„ã‚‹ã¨æ—¢ã«èª¿ã¹ã¦ã„ã‚‹æ–¹ãŒç›´ãã«è¦‹ã¤ã‹ã‚Šã¾ã—ãŸã€‚ glibcã§è¦‹ã¤ã‹ã£ãŸè‡´å‘½çš„ãªè„†å¼±æ€§ã€ŒGHOSTã€ã¯å…·ä½“çš„ã«ãªã«ãŒå•é¡Œãªã®ã‹ ã“ã‚Œã«ã‚ˆã‚‹ã¨1.1.1.1ãªã©IPã‚¢ãƒ‰ãƒ¬ã‚¹å½¢å¼ã®å ´åˆã«å¿…è¦ãªãƒãƒƒãƒ•ã‚¡è¨ˆç®—ã«èª¤ã‚ŠãŒã‚ã‚Šã€ãã®ãƒãƒƒãƒ•ã‚¡ã®æœ€å¾Œã«
karumado 2015/01/30
CVE-2015-0235

è„†å¼±æ€§
ãƒªãƒ³ã‚¯
Home - Broadcom Community - Discussion Forums, Technical Docs, Ideas and Blogs
VMware Explore Community Tracks - Videos View Live Streams and On Demand Videos from this year's Community sessions.. View Community Sessions VMware Explore Community Tracks - Videos View Live Streams and On Demand Videos from this year's Community sessions.. View Community Sessions VMware Explore Community Tracks - Videos View Live Streams and On Demand Videos from this year's Community sessions.
karumado 2015/01/30
CVE-2015-0235

è„†å¼±æ€§
ãƒªãƒ³ã‚¯
glibc ã®è„†å¼±æ€§ CVE-2015-0235ï¼ˆé€šç§°ï¼šGHOSTï¼‰ã«ã¤ã„ã¦ã¾ã¨ã‚ã¦ã¿ãŸ - piyolog
2015å¹´1æœˆ27æ—¥(ç¾åœ°æ™‚é–“) Qualysã¯glibc(GNU C Library)ã«è„†å¼±æ€§ã‚’ç™ºè¦‹ã—ã€æƒ…å ±ã‚’å…¬é–‹ã—ã¾ã—ãŸã€‚ã“ã“ã§ã¯é–¢é€£æƒ…å ±ã‚’ã¾ã¨ã‚ã¾ã™ã€‚(æš«å®šã¾ã¨ã‚ãªã®ã§ç²¾åº¦ä½Žã‚ã€ç¶²ç¾…æ€§ç„¡ã—ã§ã™ã€‚ã€‚) (1) è„†å¼±æ€§é–¢é€£æƒ…å ± QualysãŒå…¬é–‹ã—ãŸè„†å¼±æ€§æƒ…å ± The GHOST Vulnerability Qualys Security Advisory CVE-2015-0235 æ³¨æ„å–šèµ· IPA (æ³¨æ„) libc ã®è„†å¼±æ€§å¯¾ç–ã«ã¤ã„ã¦(CVE-2015-0235) è„†å¼±æ€§ã®æ¦‚è¦ glibcã®__nss_hostname_digits_dots() ã«ãƒ’ãƒ¼ãƒ—ãƒãƒƒãƒ•ã‚¡ã‚ªãƒ¼ãƒãƒ¼ãƒ•ãƒãƒ¼ã®è„†å¼±æ€§ã€‚ å½“è©²é–¢æ•°ã¯glibcã®gethostbyname()ã¨gethostbyname2()ã‹ã‚‰å‘¼ã°ã‚Œã¦ã„ã‚‹ã€‚ ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«ã‚ˆã£ã¦ã¯ã€DoSã€ã¾ãŸã¯ãƒªãƒ¢ãƒ¼ãƒˆã‹ã‚‰ä»»æ„ã®ã‚³ãƒ¼ãƒ‰ãŒå®Ÿè¡Œå¯èƒ½ã¨ãªã‚‹å¯èƒ½æ€§
karumado 2015/01/28
è„†å¼±æ€§

CVE-2015-0235

ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£

security

linux
ãƒªãƒ³ã‚¯
Linuxã«æ·±åˆ»ãªã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ›ãƒ¼ãƒ«ã€ŒGHOSTã€ã€ä»Šã™ããƒ‘ãƒƒãƒãŒå¿…è¦
Steven J. Vaughan-NicholsÂ ï¼ˆSpecial to ZDNET.comï¼‰Â ç¿»è¨³æ ¡æ£ï¼šÂ ç·¨é›†éƒ¨ 2015-01-28 10:04 ã‚¯ãƒ©ã‚¦ãƒ‰ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ä¼æ¥Qualysã®ç ”ç©¶è€…ãŒã€Linux GNU Cãƒ©ã‚¤ãƒ–ãƒ©ãƒªï¼ˆglibcï¼‰ã«æ·±åˆ»ãªã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ›ãƒ¼ãƒ«ã§ã‚ã‚‹ã€ŒGHOSTã€ï¼ˆCVE-2015-0235ï¼‰ã‚’ç™ºè¦‹ã—ãŸã€‚ã“ã®è„†å¼±æ€§ã‚’åˆ©ç”¨ã™ã‚‹ã¨ã€ãƒãƒƒã‚«ãƒ¼ã¯IDã‚„ãƒ‘ã‚¹ãƒ¯ãƒ¼ãƒ‰ã‚’çŸ¥ã‚‰ãªãã¦ã‚‚ã‚·ã‚¹ãƒ†ãƒ ã‚’ãƒªãƒ¢ãƒ¼ãƒˆã‹ã‚‰ä¹—ã£å–ã‚‹ã“ã¨ãŒã§ãã‚‹ã€‚ Qualysã¯ãŸã ã¡ã«ã“ã®ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ›ãƒ¼ãƒ«ã«ã¤ã„ã¦ä¸»ãªLinuxã®é…å¸ƒå…ƒã«è¦å‘Šã‚’é€ã‚Šã€å¤šãã®é…å¸ƒå…ƒãŒã™ã§ã«ãƒ‘ãƒƒãƒã‚’å…¬é–‹ã—ã¦ã„ã‚‹ã€‚ ã“ã®ã‚»ã‚ãƒ¥ãƒªãƒ†ã‚£ãƒ›ãƒ¼ãƒ«ã¯ã€glibc-2.2ï¼ˆ2000å¹´11æœˆ10æ—¥ã«ãƒªãƒªãƒ¼ã‚¹ï¼‰ã‚’ä½¿ç”¨ã—ã¦ãƒ“ãƒ«ãƒ‰ã•ã‚ŒãŸã™ã¹ã¦ã®Linuxã‚·ã‚¹ãƒ†ãƒ ã«å˜åœ¨ã™ã‚‹ã€‚Qualysã«ã‚ˆã‚Œã°ã€ã“ã®ãƒã‚°ã¯å®Ÿéš›ã«ã¯ã€2013å¹´5æœˆ21æ—¥ã«ãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸã€gl
karumado 2015/01/28
linux

security

CVE-2015-0235
ãƒªãƒ³ã‚¯
1