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Linux Kernel ELF Binary Loader Setuid File Handling Vulnerabilities
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Secunia Advisory:
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SA13126
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Release Date:
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2004-11-10
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Last Update:
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2007-03-13
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Popularity:
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15,620 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Partial Fix
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| OS: | Linux Kernel 2.4.x
Linux Kernel 2.6.x
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| CVE reference: | CVE-2004-1070
CVE-2004-1071
CVE-2004-1072
CVE-2004-1073
CVE-2007-0958
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Description:
Paul Starzetz has reported some vulnerabilities in the Linux kernel, which potentially can be exploited by malicious, local users to gain escalated privileges.
The vulnerabilities are caused due to various errors within the Linux ELF binary loader when handling setuid binaries.
Successful exploitation may potentially allow execution of arbitrary code with root privileges.
The vulnerability affects the following versions:
* Linux kernel 2.4 branch up to to and including 2.4.27
* Linux kernel 2.6 branch up to to and including 2.6.8
Other versions may also be affected.
Solution:
Some vulnerabilities are fixed in version 2.6.20-rc7.
Provided and/or discovered by:
Paul Starzetz
Changelog:
2004-11-11: Linux kernel 2.6.9 may reportedly also be affected. Updated "Solution" section.
2004-12-01: Added CVE references.
2007-02-01: Updated "Solution" section.
2007-03-13: Added CVE reference.
Original Advisory:
http://www.isec.pl/vulnerabilities/isec-0017-binfmt_elf.txt
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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.
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