CVE-2007-4642

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 16.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2007-08-31 · updated 2026-06-16
Weakness: CWE-119

Description

Multiple buffer overflows in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allow remote attackers to execute arbitrary code via a long chat (PKT_CHAT) message that is not properly handled by the (1) D_NetPlayerEvent function in d_net.c or the (2) Msg_Write function in net_msg.c, or (3) many commands that are not properly handled by the NetSv_ReadCommands function in d_netsv.c; or (4) cause a denial of service (daemon crash) via a chat (PKT_CHAT) message without a final '\0' character.

Affected products

Doomsday: through 1.9.0_beta5.1

References

http://aluigi.altervista.org/adv/dumsdei-adv.txt
http://aluigi.org/poc/dumsdei.zip
http://bugs.gentoo.org/show_bug.cgi?id=190835
http://secunia.com/advisories/26524
http://secunia.com/advisories/28821
http://security.gentoo.org/glsa/glsa-200802-02.xml
http://securityreason.com/securityalert/3084
http://www.securityfocus.com/archive/1/478077/100/0/threaded
http://www.securityfocus.com/bid/25483
https://exchange.xforce.ibmcloud.com/vulnerabilities/36332
https://exchange.xforce.ibmcloud.com/vulnerabilities/36333
https://exchange.xforce.ibmcloud.com/vulnerabilities/36334

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