| <?xml version="1.0" encoding="utf-8"?> |
| <!DOCTYPE glsa SYSTEM "http://www.gentoo.org/dtd/glsa.dtd"> |
| |
| <glsa id="200407-14"> |
| <title>Unreal Tournament 2003/2004: Buffer overflow in 'secure' queries</title> |
| <synopsis> |
| Game servers based on the Unreal engine are vulnerable to remote code |
| execution through malformed 'secure' queries. |
| </synopsis> |
| <product type="ebuild">Unreal Tournament</product> |
| <announced>July 19, 2004</announced> |
| <revised>July 19, 2004: 01</revised> |
| <bug>54726</bug> |
| <access>remote</access> |
| <affected> |
| <package name="games-fps/ut2003" auto="yes" arch="*"> |
| <unaffected range="ge">2225-r3</unaffected> |
| <vulnerable range="le">2225-r2</vulnerable> |
| </package> |
| <package name="games-server/ut2003-ded" auto="yes" arch="*"> |
| <unaffected range="ge">2225-r2</unaffected> |
| <vulnerable range="le">2225-r1</vulnerable> |
| </package> |
| <package name="games-fps/ut2004" auto="yes" arch="*"> |
| <unaffected range="ge">3236</unaffected> |
| <vulnerable range="lt">3236</vulnerable> |
| </package> |
| <package name="games-fps/ut2004-demo" auto="yes" arch="*"> |
| <unaffected range="ge">3120-r4</unaffected> |
| <vulnerable range="le">3120-r3</vulnerable> |
| </package> |
| </affected> |
| <background> |
| <p> |
| Unreal Tournament 2003 and 2004 are popular first-person-shooter games. |
| They are both based on the Unreal engine, and can be used in a game server |
| / client setup. |
| </p> |
| </background> |
| <description> |
| <p> |
| The Unreal-based game servers support a specific type of query called |
| 'secure'. Part of the Gamespy protocol, this query is used to ask if the |
| game server is able to calculate an exact response using a provided string. |
| Luigi Auriemma found that sending a long 'secure' query triggers a buffer |
| overflow in the game server. |
| </p> |
| </description> |
| <impact type="high"> |
| <p> |
| By sending a malicious UDP-based 'secure' query, an attacker could execute |
| arbitrary code on the game server. |
| </p> |
| </impact> |
| <workaround> |
| <p> |
| Users can avoid this vulnerability by not using Unreal Tournament to host |
| games as a server. All users running a server should upgrade to the latest |
| versions. |
| </p> |
| </workaround> |
| <resolution> |
| <p> |
| All Unreal Tournament users should upgrade to the latest available |
| versions: |
| </p> |
| <code> |
| # emerge sync |
| |
| # emerge -pv ">=games-fps/ut2003-2225-r3" |
| # emerge ">=games-fps/ut2003-2225-r3" |
| |
| # emerge -pv ">=games-server/ut2003-ded-2225-r2" |
| # emerge ">=games-server/ut2003-ded-2225-r2" |
| |
| # emerge -pv ">=games-fps/ut2004-3236" |
| # emerge ">=games-fps/ut2004-3236" |
| |
| # emerge -pv ">=games-fps/ut2004-demo-3120-r4" |
| # emerge ">=games-fps/ut2004-demo-3120-r4"</code> |
| </resolution> |
| <references> |
| <uri link="http://aluigi.altervista.org/adv/unsecure-adv.txt">Luigi Auriemma advisory</uri> |
| <uri link="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0608">CAN-2004-0608</uri> |
| </references> |
| <metadata tag="submitter"> |
| koon |
| </metadata> |
| </glsa> |