Title: Solaris in.fingerd Information Disclosure Vulnerability
Severity: HIGH
Description:
The Solaris version of fingerd is prone to an issue which will divulge sensitive information to remote attackers. It is possible to construct a finger request which will disclose a complete list of all accounts on a remote host.
The following request is sufficient to disclose a list of users:
finger 'a b c d e f g h'@sunhost
The disclosed information may be used in further "intelligent" attacks on the host. For example, the attacker may attempt to brute-force accounts on the host.
Affected Products:
- Sun Solaris 2.5.0
- Sun Solaris 2.5.0_x86
- Sun Solaris 2.5.1
- Sun Solaris 2.5.1_x86
- Sun Solaris 2.6
- Sun Solaris 2.6_x86
- Sun Solaris 7.0
- Sun Solaris 7.0_x86
- Sun Solaris 8
- Sun Solaris 8_x86
- Sun SunOS 5.5.0
- Sun SunOS 5.5.0 _x86
- Sun SunOS 5.5.1
- Sun SunOS 5.5.1 _x86
- Sun SunOS 5.6.0
- Sun SunOS 5.6.0_x86
- Sun SunOS 5.7.0
- Sun SunOS 5.7.0_x86
- Sun SunOS 5.8.0
- Sun SunOS 5.8.0 _x86
References:
- Sun: Sun Alert Notification ID: 27116
- VulnWatch: [VulnWatch] Solaris fingerd disclose complete user list
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