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              | Date: 1998-07-18 
 
 Boeses Sicherheits/loch im Navigator-.-. --.- -.-. --.- -.-. --.- -.-. --.- -.-. --.- -.-. --.-
 
 Wer Netscape ab 4.0 benützt, hat ein Sicherheits/problem.
 Bösartige Java applets können die "security controls" des
 Brausers ausschalten, womit er schutzlos gegen Angriffe
 aller Arten ist.
 Netscape spielt den Fall herunter, die Entdecker des Bugs
 machen für die Unsicherheit auf Java's "security
 architecture" zurück.
 Nur für die 4.5 Betaversion des Navig/ & Communic/ator wurde
 das Sicherheits/loch geflickt
 
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 CNET NEWS.COM July 17, 1998, 12 p.m.
 
 Just in the nick of time for its Communicator 4.5 beta
 release, Netscape Communications has moved to fix a serious
 security hole that affects certain versions of its Web
 browser.
 
 The flaw, discovered and brought to Netscape's attention by
 the Secure Internet Programming group at Princeton
 University, lets a malicious Java applet disable the
 browser's security controls, leaving the user's computer
 defenseless against attacks over the Internet.
 
 "The potential consequences are as severe as they could be,"
 said SIP director Edward Felten. "Once you penetrate the
 security of the browser, then there isn't more protection.
 Someone can write an applet that can seize control of the
 victim's machine and delete or modify files, spread viruses,
 or whatever."
 ...
 While emphasizing that the company takes all security
 breaches seriously, Netscape executives downplayed the
 threat posed by this particular hole.
 ...
 The flaw, which affects only versions 4.0x of Netscape's
 Navigator browser, lies in the implementation of what are
 called "class loaders" in the Java programming language.
 These units load and put together classes, or units of Java
 code, within the Java virtual machine (JVM), the software
 that lets applications written in Java run on multiple
 platforms.
 ...
 While the flaw discovered in this case is specific to the
 Navigator 4.0x browsers, Felten and his group lay much of
 the blame with the Java security architecture.
 ...
 Princeton's SIP notified Netscape last week about the hole,
 and the company said it had patched the hole in time for the
 beta release of Communicator 4.5. For those using
 Communicator Versions 4.01 to 4.05, Netscape in the next few
 weeks will post another revision of the 4.0x browser with
 the hole patched.
 
 
 Full text
 http://www.news.com/News/Item/0,4,24335,00.html
 http://www.news.com/News/Item/Textonly/0,25,24335,00.html?st.ne.ni.pfv
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 TIP
 Download free PGP 5.5.3i (Win95/NT & Mac)
 http://keyserver.ad.or.at/pgp/download/
 
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 edited by Harkank
 published on: 1998-07-18
 comments to office@quintessenz.at
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