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Konqueror Cross-Domain Cookie Injection Vulnerability
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Secunia Advisory:
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SA12341
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Release Date:
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2004-08-23
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Last Update:
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2004-09-17
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Popularity:
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21,862 views
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Critical:
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Less critical
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Impact:
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Hijacking
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | KDE 3.x
Konqueror 3.x
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Subscribe:
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Instant alerts on relevant vulnerabilities 
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| | CVE reference: | CVE-2004-0746
CVE-2004-0870
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Description:
WESTPOINT has discovered a vulnerability in Konqueror, which potentially can be exploited by malicious people to conduct session fixation attacks.
The problem is that websites are allowed to set cookies for certain country-specific secondary top-level domains. This can be exploited to fix a session by setting a known session ID in a cookie, which the browser sends to all web sites operating under an affected domain.
Successful exploitation may allow a session to be hijacked.
In Konqueror, successful exploitation requires that the domain does not end in ".com", ".net", ".mil", ".org", ".gov", ".edu", nor ".int" and the secondary part has more than two characters (e.g. ".plc.uk").
The vulnerability affects KDE versions up to 3.2.3.
Another inappropriate behaviour has also been reported, where HTTP-based websites are allowed to set cookies for HTTPS-based sites under the same domain. This can potentially be exploited to hijack a session, if malicious people are able to manipulate the HTTP traffic.
Solution:
Apply patches.
Patches for KDE 3.0.5b:
ftp://ftp.kde.org/pub/kde/security_patches/post-3.0.5b-kdelibs-kcookiejar.patch
Patches for KDE 3.1.5:
ftp://ftp.kde.org/pub/kde/security_patches/post-3.1.5-kdelibs-kcookiejar.patch
Patches for KDE 3.2.3:
ftp://ftp.kde.org/pub/kde/security_patches/post-3.2.3-kdelibs-kcookiejar.patch
Provided and/or discovered by:
WESTPOINT
Changelog:
2004-09-17: Updated "Description" section and added link to original advisory.
Original Advisory:
http://www.kde.org/info/security/advisory-20040823-1.txt
http://www.westpoint.ltd.uk/advisories/wp-04-0001.txt
Other References:
White Paper about session fixation attacks:
http://www.acros.si/papers/session_fixation.pdf
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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