-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 APC Security Advisory - Static factory password vulnerability Who should read this: Customers with products that have APC's hardware-based network management cards installed. APC products that use these cards to attach to the network via a direct ethernet or token ring connection, or via a console port server, may be affected (see "How to Determine if Your Model Is Affected" for more detail). Problem Summary: APC's hardware-based network management cards could be compromised by non-privileged users via Telnet or the local serial port using a static factory password. This vulnerability was reported by a customer. APC is not aware of any malicious use of the vulnerability prior to this disclosure. Impact: The exploitation of this issue can result in unauthorized control of these devices. Mitigating Factors : - - APC Network Management Cards (models AP9617, AP9618, and AP9619) using AOS v2.0.0 (apc_hw02_aos_200.bin) and later are NOT vulnerable via the network port (Telnet or SSH). - - Many firewalls typically block Telnet (well-known port 23) limiting the scope of the vulnerability to intranets. - - Vulnerability via the local serial port requires physical access unless it is connected to a console port server or similar device. - - Web and SNMP interfaces are not affected. How To Determine If Your Model Is Affected: 1. Examine the products listed below. If your UPS or other device has an AP9606, AP9617, AP9618, or AP9619 card installed then APC recommends you upgrade the card's firmware. Note that in some instances a firmware upgrade requires updating two files, the AOS card operating system and the application file for the device the card is installed in. 2. If you are not sure whether your UPS or device has one of these cards installed, examine the unit's faceplate for the following: AP9606 Web/SNMP Management Card AP9617 Network Management Card EX AP9618 Network Management Card EM/MDM AP9619 Network Management Card EM Your device may still contain a network management card, please refer to your user manual for further information. 3. This advisory does not apply to any products based on Network Management Card-based AOS revision apc_hw02_aos_212a.bin and later. Recommendations: Find your product in the tables below and determine if you have an affected revision. If your product is affected then download and apply an update patch. You may upgrade to a newer application revision that has been fixed or stay at the same application revision for those that are listed. Only devices with network support are affected. Update patches can be downloaded directly from APC's web site at: http://www.apc.com/go/direct/index.cfm?tag=sa2988_patch If for some reason an update patch cannot be applied then: A. Disable Telnet protocol until a patch can be applied (see appendix A for instructions). If this is not possible then disconnect the product from the network until a patch can be applied. B. If a console port server is connected to a vulnerable product's local serial port then ensure that the console port server forces user authentication prior to allowing login to the product. If this is not possible then disconnect the product from the console port server until a patch can be applied. - --------------------------------------------------------------------- NMC-enabled Affected Fixed In Product Description AOS Rev APP Rev AOS Rev APP Rev - --------------------------------------------------------------------- Smart-UPS aos 105 sumx 105 aos 107b sumx 105 115 115 118c 115 125 120 126b 120 125 125 126b 125 211 210 212a 210 Symmetra, Symmetra RM aos 105 sy 105 aos 107b sy 105 115 116 118c 116 120 120 126b 120 211 210 212a 210 Symmetra PX aos 105 sy3p 105 aos 107b sy3p 105 115 115 118c 115 211 210 212a 210 Silcon aos 105 dp3e 105 aos 107b dp3e 105 115 116 118c 116 Automatic Transfer Switch aos 105 ats 106 aos 107b ats 106 DC Systems Products (MX28B) aos 106 mx28 110 aos 107b mx28 110 Switched Rack PDU aos 116 rpdu 102 aos 118c rpdu 102 MasterSwitch Plus aos 116 msp 100 aos 118c msp 100 Note: The AOS and APP firmware revisions listed in this table are shorthand for the full filename found from the download page. The full filenames will be apc_hw02_AOS_REV.bin and apc_hw02_APP_REV.bin. Zipped versions of both AOS and APP revsions are availiable for all combinations. The full filenames for the zipped versions will be apc_hw02_AOSREV_APPREV.exe. If your firmware revision is not listed, please upgrade to the latest fixed revision. - --------------------------------------------------------------------- - --------------------------------------------------------------------- AP9606-enabled Affected Fixed In Product Description AOS Rev APP Rev AOS Rev APP Rev - --------------------------------------------------------------------- Smart-UPS all earlier revs aos 326b sumx 326a Symmetra all earlier revs aos 326b sy 326a Silcon all earlier revs aos 326b dp3e 326a DC Systems Products (MX28B) all earlier revs aos 306b dm3k 105a Environmental Monitoring Unit all earlier revs aos 326b em 205a MasterSwitch (all) all earlier revs aos 309a ms 225a MasterSwitch Plus all earlier revs aos 258b msp 205a MasterSwitch VM all earlier revs aos 258b msvm 115a Note: The AOS and APP firmware revisions listed in this table are shorthand for the full filename found from the download page. The full filenames will be AOSREV.bin and APPREV.bin. If your firmware revision is not listed, please upgrade to the latest fixed revision. - --------------------------------------------------------------------- Patches will not be provided for these products: SmartSlot SNMP Management Adapter (AP9605) External SNMP Management Adapter(AP9205) Token Ring Management Card (AP9603) APC recommends that you disable any Telnet interface if present or remove the network connection from the card. All other APC product families are unaffected. Exploitation and Public Announcements: APC is not aware of any malicious use of the vulnerability described in this advisory. The vulnerability described in this advisory was originally found by Dave Tarbott. Status of this notice: INTERIM THIS IS AN INTERIM ADVISORY. ALTHOUGH APC CANNOT GAURANTEE THE ACCURACY OF ALL STATEMENTS IN THIS NOTICE, ALL OF THE FACTS HAVE BEEN CHECKED TO THE BEST OF OUR ABILITY. APC DOES NOT ANTICIPATE ISSUING UPDATED VERSIONS OF THIS ADVISORY UNLESS THERE IS SOME MATERIAL CHANGE IN THE FACTS. SHOULD THERE BE A SIGNIFICANT CHANGE IN THE FACTS, APC MAY UPDATE THIS ADVISORY. A STAND-ALONE COPY OR PARAPHRASE OF THE TEXT OF THIS SECURITY ADVISORY THAT OMITS THE DISTRIBUTION URL IN THE FOLLOWING SECTION IS AN UNCONTROLLED COPY, AND MAY LACK IMPORTANT INFORMATION OR CONTAIN FACTUAL ERRORS. IN NO EVENT SHALL EITHER APC, ITS OFFICERS, DIRECTORS, AFFILIATES OR EMPLOYEES, BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OF ANY KIND INCLUDING, BUT NO LIMITED TO, LOSS OF PROFITS ARSING OUT OF THE USE OR IMPLEMENTATION OF THE INFORMATION CONTAINED HEREIN HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN AN ACTION FOR CONTRACT, STRICT LIABILITY OR TORT (INCLUDING NEGLIGENCE) OR OTHERWISE, WHETHER OR NOT APC HAS BEEN ADVISED OR THE POSSIBILITY OF SUCH DAMAGE AND NOTWITHSTANDING THE FAILURE OF ESSENTIAL PURPOSE OF ANY REMEDY. Distribution: This advisory will be posted on APC's worldwide website at: http://www.apc.com/go/direct/index.cfm?tag=sa2988 Future updates of this advisory, if any, will be place on APC's worldwide website, but may or may not be actively announced on mailing lists or newsgroups. Users concerned about this problem are encouraged to check the above URL for any updates. Revisions: Revision 1.0 2003-February-18 Initial Public Release References: http://www.oit.duke.edu/security/encryption/ Copyright: This notice is Copyright 2004 by APC. This notice may be redistributed freely after the release date given at the top of the text, provided that redistributed copies are complete and unmodified, and include all date and version information. Appendix A - Instructions for disabling Telnet access: To disable telnet from the HTML interface for all network products: Login to the Web interface using the administrator account Choose Network in the navigation menu Choose Telnet sub-option in the navigation menu Select Disable Telnet Access, click Apply Click the Logout link in the navigation menu Telnet is now disabled To disable telnet from the Telnet interface for all network products: Login to the Telnet interface using the administrator account Choose Network from the menu Choose Telnet from the menu Choose Access from the menu Choose Disable from the selections Choose Accept Changes from the menu Type twice to return to main menu Choose logout from the menu Telnet is now disabled -----BEGIN PGP SIGNATURE----- Version: PGP 8.0.3 iQA/AwUBQDP/r4SPqbaFzuaMEQKAdgCeNooY5bqVeeXmibg4baPw9aoht4wAoLcP Ch31+yCqjiuI8KCxehInzR4Y =Jf0E -----END PGP SIGNATURE-----