Overkill recv_packet() denial of service

overkill-recvpacket-dos (27028) The risk level is classified as MediumMedium Risk

Description:

Overkill is vulnerable to a denial of service caused by an integer underflow in the recv_packet() function. A remote attacker could send a specially-crafted UDP packet smaller than 12 bytes to cause an out-of-bounds memory access causing the server to crash.


Consequences:

Denial of Service

Remedy:

No remedy available as of July 9, 2011.

References:

  • Overkill Web site: 0VERKILL - hell in ASCII.
  • BID-18353: 0verkill UDP Datagram Remote Denial of Service Vulnerability
  • CVE-2006-2971: Integer overflow in the recv_packet function in 0verkill 0.16 allows remote attackers to cause a denial of service (daemon crash) via a UDP packet with fewer than 12 bytes, which results in a long length value to the crc32 function.
  • OSVDB ID: 26029: 0verkill recv_packet() Function UDP Handling Overflow DoS
  • SA20551: 0verkill Denial of Service Vulnerability
  • VUPEN/ADV-2006-2245: 0verkill recv_packet() UDP Packet Handling Remote Denial of Service Vulnerability

Platforms Affected:

  • Overkill Overkill 0.16

Reported:

Jun 09, 2006

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