计算机网络技术

Web News, Technology, Science, etc

网络技术是从1990年代中期发展起来的新技术,它把互联网上分散的资源融为有机整体,实现资源的全面共享和有机协作,使人们能够透明地使用资源的整体能力并按需获取信息。

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Yahoo Yahoo.com Yahoo.co.jp Open Redirect (Unvalidated Redirects and Forwards) Web Security Bugs


Though Yahoo lists open redirect vulnerability on its bug bounty program. However, it seems Yahoo do not take this vulnerability seriously at all.


Multiple Open Redirect vulnerabilities were reported Yahoo. All Yahoo's responses were "It is working as designed". However, these vulnerabilities were patched later.


Several other security researcher complained about getting similar treatment, too.
http://seclists.org/fulldisclosure/2014/Jan/51
http://seclists.org/fulldisclosure/2014/Feb/119


All Open Redirect Vulnerabilities are intended behavior? If so, why patch them later?


From report of CNET, Yahoo's users were attacked by redirection vulnerabilities. "Yahoo.com visitors over the last few days may have been served with malware via the Yahoo ad network, according to Fox IT, a security firm in the Netherlands. Users visiting pages with the malicious ads were redirected to sites armed with code that exploits vulnerabilities in Java and installs a variety of different malware. "




Moreover, since Yahoo is well-known worldwide. these vulnerabilities can be used to attack other companies such as Google, eBay, The New York Times, Amazon, Godaddy, Alibaba, Netease, e.g. by bypassing their Open Redirect filters (Covert Redirect). These cyber security bug problems have not been patched. Other similar web and computer flaws will be published in the near future.




The vulnerabilities can be attacked without user login. Tests were performed on Microsoft IE (10.0.9200.16750) of Windows 8, Mozilla Firefox (34.0) & Google Chromium 39.0.2171.65-0 ubuntu0.14.04.1.1064 (64-bit) of Ubuntu (14.04),Apple Safari 6.1.6 of Mac OS X Lion 10.7.


Disclosed by:
Wang Jing, Division of Mathematical Sciences (MAS), School of Physical and Mathematical Sciences (SPMS), Nanyang Technological University (NTU), Singapore. (@justqdjing)
http://www.tetraph.com/wangjing



Both Yahoo and Yahoo Japan online web application has a computer cyber security bug problem. It can be exploited by Unvalidated Redirects and Forwards (URL Redirection) attacks. This could allow a user to create a specially crafted URL, that if clicked, would redirect a victim from the intended legitimate web site to an arbitrary web site of the attacker's choosing. Such attacks are useful as the crafted URL initially appear to be a web page of a trusted site. This could be leveraged to direct an unsuspecting user to a web page containing attacks that target client side software such as a web browser or document rendering programs.


BugTraq is a full disclosure moderated mailing list for the *detailed* discussion and announcement of computer security vulnerabilities: what they are, how to exploit them, and how to fix them. The below things be posted to the Bugtraq list: (a) Information on computer or network related security vulnerabilities (UNIX, Windows NT, or any other). (b) Exploit programs, scripts or detailed processes about the above. (c) Patches, workarounds, fixes. (d) Announcements, advisories or warnings. (e) Ideas, future plans or current works dealing with computer/network security. (f) Information material regarding vendor contacts and procedures. (g) Individual experiences in dealing with above vendors or security organizations. (h) Incident advisories or informational reporting. (i) New or updated security tools. A large number of the fllowing web securities have been published here, Injection, Broken Authentication and Session Management, Cross-Site Scripting (XSS), Insecure Direct Object References, Security Misconfiguration, Sensitive Data Exposure, Missing Function Level Access Control, Cross-Site Request Forgery (CSRF), Using Components with Known Vulnerabilities, Unvalidated Redirects and Forwards. It also publishes suggestions, advisories, solutions details related to Open Redirect vulnerabilities and cyber intelligence recommendations.



Detail:
http://seclists.org/fulldisclosure/2014/Dec/88




Related Articles:
http://lists.openwall.net/full-disclosure/2014/12/19/10
http://permalink.gmane.org/gmane.comp.security.fulldisclosure/1355
http://diebiyi.com/articles/security/open-redirect/yahoo-yahoo-com-yahoo-co-jp
http://essaybeans.blogspot.com/2015/06/yahoo-yahoocom-yahoocojp-open-redirect.html
https://webtechwire.wordpress.com/2014/12/23/yahoo-yahoo-com-yahoo-co-jp
https://twitter.com/essayjeans/status/606789286428438528
http://inzeed.tumblr.com/post/118511483471/securitypost-yahoo-and-yahoo-japan-may-be
http://essayjeans.lofter.com/post/1cc7459a_7314ba3
https://plus.google.com/u/0/+essayjeans/posts/GxcKENw4ira
http://www.weibo.com/3973471553/ClaSVxObt?from=page_1005053973471553
http://computerobsess.blogspot.com/2015/06/yahoo-yahoocom-yahoocojp-open-redirect.html
https://www.facebook.com/permalink.php?story_fbid=841616792540365
http://xingti.tumblr.com/post/120770694665/lifegrey-yahoo-url-redirection-bug
http://xingzhehong.lofter.com/post/1cfd0db2_6e68fe3
https://redysnowfox.wordpress.com/2014/12/25/yahoo-open-redirect/
http://whitehatpost.blog.163.com/blog/static/24223205420155581240158
https://www.facebook.com/websecuritiesnews/posts/803277513125754
http://www.inzeed.com/kaleidoscope/spamming/yahoo-url-redirection/


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