Vulnerability CVE-2007-4643
Published: 2007-08-31   Modified: 2012-02-12

Description:
Integer underflow in Doomsday (aka deng) 1.9.0-beta5.1 and earlier allows remote attackers to cause a denial of service (daemon crash) via a PKT_CHAT packet with a data length less than 3, which triggers an erroneous malloc, possibly related to the Sv_HandlePacket function in sv_main.c.

See advisories in our WLB2 database:
Topic
Author
Date
Med.
Multiple vulnerabilities in Doomsday 1.9.0-beta5.1
Luigi Auriemma
04.09.2007

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Doomsday -> Doomsday 

 References:
http://aluigi.org/poc/dumsdei.zip
http://bugs.gentoo.org/show_bug.cgi?id=190835
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/36338
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