efingerd reverse-lookup buffer overflow
| efingerd-reverse-lookup-bo (8380) |  High Risk |
Description:
efingerd is vulnerable to a buffer overflow caused by improper bounds checking of the hostname by the reverse-lookup function. By connecting to efingerd with a hostname containing 100 bytes or more, a remote attacker can overflow a buffer and execute arbitrary code on the system, typically as a "nobody" user.
Consequences:
Gain Access
Remedy:
No remedy available as of June 1, 2013.
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-4239: EFingerD Reverse Resolver Buffer Overflow Vulnerability
- CVE-2002-0423: Buffer overflow in efingerd 1.5 and earlier, and possibly up to 1.61, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a finger request from an IP address with a long hostname that is obtained via a reverse DNS lookup.
- OSVDB ID: 5303: efingerd Long Hostname Overflow Arbitrary Code Execution
Platforms Affected:
- Radovan Garabik efingerd 1.3
- Radovan Garabik efingerd 1.6.1
Reported:
Mar 06, 2002
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