---------------------------------------------------------------------- SNS Advisory No.43 PGP Keyserver Permissions Misconfiguration Problem first discovered: Fri, 3 Aug 2001 Published: Fri, 28 Sep 2001 ---------------------------------------------------------------------- Overview: --------- PGP Keyserver, distributed by Network Associates, contains a vulnerability that allows attackers to access administrative web interface without authentication. Problem Description: -------------------- PGP Keyserver, distributed by Network Associates, is configured using administrative web interface. It is necessary to authenticate username and password in order to access the administrative web interface. However, PGP Keyserver has a vulnerability that allows unauthorized users to change settings. Normally, changes of configuration via authentication occur in the following URL: http://server.name/keyserver/cgi-bin/console.exe?page_size=... http://server.name/keyserver/cgi-bin/cs.exe?action=... PGP Keyserver allows attackers to perform administrative tasks without authentication by using the following URL: http://server.name/cgi-bin/console.exe?page_size=... http://server.name/cgi-bin/cs.exe?action=... Tested Version: --------------- PGP Keyserver 7.0 for Windows NT Tested on: ---------- Windows 2000 Server + SP2 [English] Solution: --------- A solution for this security issue in PGP Keyserver 7.0 is available at: http://www.pgp.com/support/product-advisories/keyserver.asp Discovered by: -------------- Nobuo Miwa (LAC / snsadvat_private) Disclaimer: ----------- All information in these advisories are subject to change without any advanced notices neither mutual consensus, and each of them is released as it is. LAC Co.,Ltd. is not responsible for any risks of occurrences caused by applying those information. References ---------- Archive of this advisory(in preparation now): http://www.lac.co.jp/security/english/snsadv_e/43_e.html ------------------------------------------------------------------ Secure Net Service(SNS) Security Advisory <snsadvat_private> Computer Security Laboratory, LAC http://www.lac.co.jp/security/
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