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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.1522 Cisco IOS XR Software Route Processor Denial of Service Vulnerability 24 October 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco CRS-1 Distributed Route Processor Cisco CRS-1 16-Slot Line-Card Chassis Route Processor Cisco CRS-1 8-Slot Line-Card Chassis Route Processor Cisco CRS-1 16-Slot Line Card Chassis Route Processor B Cisco CRS Series 4/8-Slot Line Card Chassis Performance Route Processor (12 GB) Cisco CRS Series 4/8-Slot Line Card Chassis Performance Route Processor (6 GB) Cisco CRS Series 16-Slot Performance Route Processor (12 GB) Cisco CRS Series 16-Slot Performance Route Processor (6 GB) Publisher: Cisco Systems Operating System: Cisco Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2013-5549 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131023-iosxr - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco IOS XR Software Route Processor Denial of Service Vulnerability Advisory ID: cisco-sa-20131023-iosxr Revision 1.0 For Public Release 2013 October 23 16:00 UTC (GMT) ====================================================================== Summary - - ------- Cisco IOS XR Software contains a vulnerability when handling fragmented packets that may result in a denial of service condition of the Cisco CRS Route Processor cards listed under "Affected Products". The vulnerability affects IOS XR Software versions 3.3.0 to 4.2.0 The vulnerability is a result of improper handing of fragmented packets and could cause the route processor, which processes the packets, to be unable to transmit packets to the fabric. Customers that are running version 4.2.1 or later of Cisco IOS XR Software, or that have previously installed the SMU for CSCtz62593 are not affected by this vulnerability. Cisco has released free software updates that address these vulnerabilities. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20131023-iosxr - -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.18 (Darwin) Comment: GPGTools - http://gpgtools.org iF4EAREIAAYFAlJn58UACgkQUddfH3/BbTrv4QEAh+QY4ZydQisX8dgb64PnLJ4T ojL0gqnAyhJyjmlTfQQA/3gUxnSomEgEvh1N1T8OD5oWRTJn/FdI+B8w0wr+9TDN =GDEc - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. 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If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBUmh69hLndAQH1ShLAQJBXw//ZaXbnxf5Sm/e9DpvV5QQj5ZtAcvD7KYi hG1JvGjhdG2vYAZZdY6XxZtV3IjUkqTLzqf35KqgMPVJmnUrLkb8hNkmHD87mmGC uCb+IYkrPeb2234qC/xbFysxpcwIbj0KTfQi2iBNOtqLgJc+7GlzP4B+qwkaYDyc HE2X560zt4HSqVBfziQIf9QcwEepfDUDlTqrGSdjC3ebB/RPpSI6T2Q5QEbHjEta nfwCuYpMV9kEapcQ0+o3+d+e9pkA1P7N0UTxoddEYcoA49iH6EXz3lvaI1dmgvgO GBYhjBS9HsS9sbB2DebhlLFiXEkTlfMxp2sURh9trZPJaRPdSVRExEW5Ui+gKg4y M6IQvbHoQ8TL/I75SA3pAkL02aCwpQoWM8G7tKRnRCH5gapJGYvw0hcByzjq0diQ qMmEVcS6mCXpdcgHPPr8bFi8lMK3xcPnK0HqJd9LuNyqcoRdcCNHd8kW0HnETpDn 2Y/XWTtf+PFTSQoljLXm2iJppaZIuJGLO3ovHu7VyN5S1iVXn+k6u12fEv4bwRcy Ijpx7FKDkB+yzyKavxsjuFOxKO5OJF+YJnvv9QUwyNreRBbNi/UUPcwNacWmTX+I yivRL/m11rZef1g/zg+2/fYpoHh2BNOgag0i5wghKxwOQGRU/mff9q50RCimkxsb fvoBGW9zc+k= =ArRF -----END PGP SIGNATURE-----