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Sun Solaris "in.telnetd" Authentication Bypass
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Secunia Advisory:
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SA24120
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Release Date:
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2007-02-13
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Last Update:
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2007-02-14
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Popularity:
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12,810 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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Where:
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From local network
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Solution Status:
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Vendor Patch
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| OS: | Sun Solaris 10
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| CVE reference: | CVE-2007-0882
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Description:
kcope has reported a vulnerability in Solaris, which can be exploited by malicious people to bypass certain security restrictions and gain access to a vulnerable system.
The vulnerability is caused due to an error in in.telnetd when invoking the "login" program. This can be exploited to bypass authentication by providing a valid account as login name preceded by the "-f" option specifier.
The vulnerability is reported in Solaris (SunOS 5.10 and 5.11). Other versions may also be affected.
Solution:
Apply patches.
-- SPARC Platform --
Solaris 10:
Apply patch 120068-02 or later.
-- x86 Platform --
Solaris 10:
Apply patch 120069-02 or later.
Provided and/or discovered by:
kcope
Changelog:
2007-02-14: Updated "Solution" section.
Original Advisory:
http://www.com-winner.com/0day_was_the_case_that_they_gave_me.pdf
Sun:
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102802-1
Other References:
US-CERT VU#881872:
http://www.kb.cert.org/vuls/id/881872
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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