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user-ppp "command_Expand_Interpret()" Buffer Overflow Vulnerability
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Secunia Advisory:
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SA29240
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Release Date:
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2008-03-06
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Last Update:
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2008-03-11
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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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Unpatched
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| Software: | user-ppp
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| | CVE reference: | CVE-2008-1215 (Secunia mirror)
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This advisory is currently marked as unpatched!
- Companies can be alerted when a patch is released! |
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Description:
sipher has reported a vulnerability in user-ppp, which potentially can be exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to a boundary error within the "command_Expand_Interpret()" function in command.c. This can be exploited to cause a stack-based buffer overflow via a string containing special characters (.e.g '~').
Successful exploitation requires that the attacker has "network" group privileges.
The vulnerability is reported in the user-ppp included in FreeBSD 6.3. Other versions may also be affected.
Solution:
Restrict local access to trusted users only.
Provided and/or discovered by:
sipher
Changelog:
2008-03-11: Added CVE reference.
Original Advisory:
http://seclists.org/vuln-dev/2008/Feb/0010.html
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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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