Rule: -- Sid: 2327 -- Summary: This event is generated when an attempt is made to exploit a known vulnerability in BulletScript MailList CGI mailing list manager running on a server. -- Impact: Information gathering and possible theft of user information. -- Detailed Information: This event is generated when an attempt is made to exploit a known vulnerability in BulletScript MailList CGI mailing list manager running on a server. The script bsml.pl does not perform stringent checks when processing input supplied via the action parameter to the script. It may be possible for an attacker to compromise the integrity of the database containing information pertaining to users of the mailing list being managed. -- Affected Systems: All systems running BulletScript MailList. -- Attack Scenarios: An attacker can supply input of their choosing using the action parameter. -- Ease of Attack: Simple. No exploit software required. -- False Positives: None known. -- False Negatives: None known. -- Corrective Action: Ensure the system is using an up to date version of the software and has had all vendor supplied patches applied. -- Contributors: Sourcefire Research Team Brian Caswell <bmc@sourcefire.com> Nigel Houghton <nigel.houghton@sourcefire.com> -- Additional References: --