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TITLE:
DropTeam Multiple Vulnerabilities

SECUNIA ADVISORY ID:
SA27107

VERIFY ADVISORY:
http://secunia.com/advisories/27107/

CRITICAL:
Moderately critical

IMPACT:
Exposure of sensitive information, DoS, System access

WHERE:
>From remote

SOFTWARE:
DropTeam 1.x
http://secunia.com/product/15959/

DESCRIPTION:
Luigi Auriemma has reported some vulnerabilities in DropTeam, which
can be exploited by malicious people to disclose sensitive
information or to potentially compromise a vulnerable system.

1) A format string error exists within the processing of 0x1 packets.
This can potentially be exploited to execute arbitrary code by sending
a packet with an id of 0x1 containing specially crafted username,
password, or nickname fields.

2) A boundary error exists within the processing of 0x5c packets.
This can be exploited to cause a stack-based buffer overflow by
sending a specially crafted packet with an id of 0x5c.

3) A boundary error exists within the processing of 0x18 packets.
This can be exploited to cause a heap-based buffer overflow by
sending a specially crafted packet with an id of 0x18, containing
more than 524280 bytes of data.

4) A boundary error exists within the processing of 0x4b packets.
This can be exploited to cause a heap-based buffer overflow by
sending a specially crafted packet with an id of 0x4b.

Successful exploitation of the vulnerabilities may allow the
execution of arbitrary code.

5) The username and password for the DropTeam account are sent
unencrypted when connecting to a game server. This can be exploited
by a malicious server administrator to obtain the product key of the
client.

The vulnerabilities are reported in versions 1.3.3 and prior. Other
versions may also be affected.

SOLUTION:
Restrict access to the affected DropTeam server.

Do not connect to untrusted DropTeam game servers.

The vendor will reportedly fix the vulnerabilities in the next
version.

PROVIDED AND/OR DISCOVERED BY:
Luigi Auriemma

ORIGINAL ADVISORY:
http://aluigi.altervista.org/adv/dropteamz-adv.txt

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