Anon Proxy Server Remote Authentication Buffer Overflow Vulnerability

BID:27593

Info

Anon Proxy Server Remote Authentication Buffer Overflow Vulnerability

Bugtraq ID: 27593
Class: Boundary Condition Error
CVE: CVE-2008-0633
Remote: Yes
Local: No
Published: Feb 04 2008 12:00AM
Updated: May 07 2015 05:33PM
Credit: L4teral is credited with discovering this issue.
Vulnerable: Anon Proxy Server Anon Proxy Server 0.102
Anon Proxy Server Anon Proxy Server 0.100
Anon Proxy Server Anon Proxy Server 0
Not Vulnerable: Anon Proxy Server Anon Proxy Server 0.103

Discussion

Anon Proxy Server Remote Authentication Buffer Overflow Vulnerability

Anon Proxy Server is prone to a remote buffer-overflow vulnerability because the application fails to sufficiently bounds-check user-supplied input.

Successful exploits allow remote attackers to execute arbitrary code in the context of the vulnerable application, facilitating the compromise of affected computers.

Versions prior to Anon Proxy Server 0.103 are vulnerable to this issue.

Exploit / POC

Anon Proxy Server Remote Authentication Buffer Overflow Vulnerability

Attackers may exploit this issue through a browser.

The following example Perl statement was provided to create a username sufficient to demonstrate this issue:

print "A" x 430 . '"' x 29 . "A" x 40 . "\n"

Solution / Fix

Anon Proxy Server Remote Authentication Buffer Overflow Vulnerability

Solution:
Anon Proxy Server 0.103 was released to address this issue. Please see the references for more information.


Anon Proxy Server Anon Proxy Server 0.100

Anon Proxy Server Anon Proxy Server 0.102

Anon Proxy Server Anon Proxy Server 0

References

Anon Proxy Server Remote Authentication Buffer Overflow Vulnerability

References:

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