IBM OS/400 (aka i5/OS) V4R2M0 through V5R3M0 on iSeries machines sends responses to TCP SYN-FIN packets, which allows remote attackers to obtain system information and possibly bypass firewall rules.
The System Request menu in IBM AS/400 allows local users to list valid user accounts by viewing the object names that are type USRPRF.
Published 2005-06-21 · Modified
2.11 PoCEPSS 0.008
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