GNUnet UDP denial of service
| gnunet-udp-dos (26527) |  Medium Risk |
Description:
GNUnet is vulnerable to a denial of service caused by improper handling of UDP datagrams. A remote attacker could send a specially-crafted UDP packet to cause an infinite loop resulting in all available CPU resources to be consumed.
Consequences:
Denial of Service
Remedy:
Apply the appropriate fix, as listed in the GNUnet Changelog. See References.
References:
- Full-Disclosure Mailing List, Fri May 12 2006 - 16:28:51 CDT: Socket unreachable in GNUnet rev 2780.
- GNUnet Changelog: https://gnunet.org/svn/GNUnet/ChangeLog.
- GNUnet Web site: GNUnet.
- BID-17980: GNUnet Empty UDP Datagram Remote Denial of Service Vulnerability
- CVE-2006-2413: GNUnet before SVN revision 2781 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an empty UDP datagram, possibly involving FIONREAD errors.
- SA20096: GNUnet Empty UDP Datagram Denial of Service Vulnerability
- VUPEN/ADV-2006-1799: GNUnet Empty UDP Datagram Handling Remote Denial of Service Vulnerability
Platforms Affected:
- Christian Grothoff GNUnet 0.7.0d
- Christian Grothoff GNUnet SVN revision 2780
Reported:
May 12, 2006
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