efingerd .efingerd file execution

efingerd-file-execution (8381) The risk level is classified as MediumMedium Risk

Description:

efingerd could allow a remote attacker to execute a user's .efingerd file. If a user has an executable .efingerd file, a remote attacker can finger the user and cause the file to be executed, typically as a "nobody" user. In addition, the output of .efingerd is sent back to the attacker.

A local attacker could use this vulnerability to perform attacks on the system, while hiding their own identity.


Consequences:

Other

Remedy:

No remedy available as of August 1, 2014.

References:

  • BugTraq Mailing List, Wed Mar 06 2002 - 03:17:31 CST: efingerd remote buffer overflow and a dangerous feature.
  • efingerd Web site: efingerd.
  • BID-4240: EFingerD User Configuration File Command Execution Vulnerability
  • CVE-2002-0424: efingerd 1.61 and earlier, when configured without the -u option, executes .efingerd files as the efingerd user (typically nobody), which allows local users to gain privileges as the efingerd user by modifying their own .efingerd file and running finger.
  • OSVDB ID: 5302: efingerd .efingerd File Privilege Escalation

Platforms Affected:

  • Radovan Garabik efingerd 1.3
  • Radovan Garabik efingerd 1.6.1

Reported:

Mar 06, 2002

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