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===[ interSEC - Advisory ]=================================[ Adv. ID: 2002-10-001 ]== Advisory Information -------------------- Name : Multiple bugs in Web602 web server Vendor Homepage : http://www.software602.cz Platforms : Windows Vulnerability Type : Multiple bugs Vendor Contacted : 30/08/2002 Vendor Replied : 06/09/2002 Non affected version : 2002.0.02.0916 Vulnerable Versions: v1.xx Product Description ------------------- Web602 is a fully functional http server for windows 95/98/NT. It is easily configurable and is quite easy to use. Bug #1: Free access to /admin/ section without login affected:Czech version all. ------------------- All users have access to /admin/ directory without password. This is only for Czech version. Bug #2: DoS with comX, Aux, LPT affected: 1.04 all Language ------------------- When attacker send GET, POST request with /com1 /aux /lpt1 server crash. example: GET /com1 Bug #3: Directory Tree affected: All version ------------------- When attacker add behind URL char "~" or string ".bak" server return directory tree. example: GET /index.html~ or GET /index.html.bak Solution -------- Install latest version. Latest version without bugs is 2002.0.02.0916 Credits ------- +---------------------------------+ ' Kachlik Jan ' ' Security & Network Specialist ' ' InterSource Solutions Group ' ' Mathonova 25, 613 00 Brno CZ ' ' Mail: jkachlik@isgroup.com ' +---------------------------------+ ------------4F151C3E28A079 Content-Type: application/octet-stream; name="interSEC-2002-10-001.sa" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="interSEC-2002-10-001.sa" PT09WyBpbnRlclNFQyAtIEFkdmlzb3J5IF09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT1bIEFkdi4gSUQ6IDIwMDItMTAtMDAxIF09PQ0KDQpBZHZpc29yeSBJbmZvcm1hdGlvbg0KLS0t LS0tLS0tLS0tLS0tLS0tLS0NCk5hbWUgICAgICAgICAgICAgICAgICAgOiBNdWx0aXBsZSBidWdz IGluIFdlYjYwMiB3ZWIgc2VydmVyDQpWZW5kb3IgSG9tZXBhZ2UgICAgICAgIDogaHR0cDovL3d3 dy5zb2Z0d2FyZTYwMi5jeg0KUGxhdGZvcm1zICAgICAgICAgICAgICA6IFdpbmRvd3MNClZ1bG5l cmFiaWxpdHkgVHlwZSAgICAgOiBNdWx0aXBsZSBidWdzDQpWZW5kb3IgQ29udGFjdGVkICAgICAg IDogMzAvMDgvMjAwMg0KVmVuZG9yIFJlcGxpZWQgICAgICAgICA6IDA2LzA5LzIwMDINCk5vbiBh ZmZlY3RlZCB2ZXJzaW9uICAgOiAyMDAyLjAuMDIuMDkxNg0KDQpWdWxuZXJhYmxlIFZlcnNpb25z OiB2MS54eA0KDQpQcm9kdWN0IERlc2NyaXB0aW9uDQotLS0tLS0tLS0tLS0tLS0tLS0tIA0KV2Vi NjAyIGlzIGEgZnVsbHkgZnVuY3Rpb25hbCBodHRwIHNlcnZlciBmb3Igd2luZG93cyA5NS85OC9O VC4gDQpJdCBpcyBlYXNpbHkgY29uZmlndXJhYmxlIGFuZCBpcyBxdWl0ZSBlYXN5IHRvIHVzZS4g DQoNCg0KQnVnICMxOiBGcmVlIGFjY2VzcyB0byAvYWRtaW4vIHNlY3Rpb24gd2l0aG91dCBsb2dp bg0KYWZmZWN0ZWQ6Q3plY2ggdmVyc2lvbiBhbGwuDQotLS0tLS0tLS0tLS0tLS0tLS0tDQpBbGwg dXNlcnMgaGF2ZSBhY2Nlc3MgdG8gL2FkbWluLyBkaXJlY3Rvcnkgd2l0aG91dCBwYXNzd29yZC4g DQpUaGlzIGlzIG9ubHkgZm9yIEN6ZWNoIHZlcnNpb24uDQoNCg0KQnVnICMyOiBEb1Mgd2l0aCBj b21YLCBBdXgsIExQVA0KYWZmZWN0ZWQ6IDEuMDQgYWxsIExhbmd1YWdlDQotLS0tLS0tLS0tLS0t LS0tLS0tDQpXaGVuIGF0dGFja2VyIHNlbmQgR0VULCBQT1NUIHJlcXVlc3Qgd2l0aCAvY29tMSAv YXV4IC9scHQxIHNlcnZlciBjcmFzaC4NCg0KZXhhbXBsZTogR0VUIC9jb20xDQoNCg0KQnVnICMz OiBEaXJlY3RvcnkgVHJlZQ0KYWZmZWN0ZWQ6IEFsbCB2ZXJzaW9uDQotLS0tLS0tLS0tLS0tLS0t LS0tDQpXaGVuIGF0dGFja2VyIGFkZCBiZWhpbmQgVVJMIGNoYXIgIn4iIG9yIHN0cmluZyAiLmJh ayIgc2VydmVyIHJldHVybiBkaXJlY3RvcnkgdHJlZS4NCg0KZXhhbXBsZTogR0VUIC9pbmRleC5o dG1sfiBvciBHRVQgL2luZGV4Lmh0bWwuYmFrDQoNCg0KU29sdXRpb24NCi0tLS0tLS0tDQpJbnN0 YWxsIGxhdGVzdCB2ZXJzaW9uLiBMYXRlc3QgdmVyc2lvbiB3aXRob3V0IGJ1Z3MgaXMgMjAwMi4w LjAyLjA5MTYNCg0KQ3JlZGl0cw0KLS0tLS0tLQ0KICstLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0rDQogJyBLYWNobGlrIEphbiAgICAgICAgICAgICAgICAgICAgICcNCiAnIFNlY3Vy aXR5ICYgTmV0d29yayBTcGVjaWFsaXN0ICAgJw0KICcgSW50ZXJTb3VyY2UgU29sdXRpb25zIEdy b3VwICAgICAnDQogJyBNYXRob25vdmEgMjUsIDYxMyAwMCBCcm5vIENaICAgICcNCiAnIE1haWw6 IGprYWNobGlrQGlzZ3JvdXAuY29tICAgICAgJw0KICstLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0rIA0K ------------4F151C3E28A079--