-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco IOS Software DHCP Version 6 Denial of Service Vulnerability Advisory ID: cisco-sa-20140924-dhcpv6 Revision 1.0 For Public Release 2014 September 24 16:00 UTC (GMT) Summary +====== A vulnerability in the DHCP version 6 (DHCPv6) server implementation of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to improper parsing of malformed DHCPv6 packets. An attacker could exploit this vulnerability by sending malformed DHCPv6 packets to be processed by an affected device. An exploit could allow the attacker to cause a memory leak and eventual reload of an affected device. Cisco has released free software updates that address this vulnerability. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140924-dhcpv6 Note: The September 24, 2014, Cisco IOS Software Security Advisory bundled publication includes six Cisco Security Advisories. All advisories address vulnerabilities in Cisco IOS Software. Individual publication links are in Cisco Event Response: Semiannual Cisco IOS Software Security Advisory Bundled Publication at the following link: http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep14.html -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.22 (Darwin) Comment: GPGTools - http://gpgtools.org iQIcBAEBAgAGBQJUIZNeAAoJEIpI1I6i1Mx3FxAP/i8bB96s06HvbR5sSFBf6iqW QMfKKOujTGf9w9UH/CUqVtvX2kDLoaZXxoARruZ3hIk2tWqfkFCIyGtCSEXwQxfg +ueE/LpmXZWkvZ7eLk7GS7lclfVlbu4W5GR1+asp3qIOeKRUpY9SPWDlLuT7vmtb s8WmVbDKQOEg3MJSt4tkUSDQsL6AOvhFue2VYjGUnzYX0SPOQxkeCGCbOcmCRGPH 3Yi0IPiUa/XOxOCfsSlXJQP5OWVOlCnQZGiOlyaiaYiyTjUlB7uKgZP/jGIuc/gf 4dt0FTK/VykqLXIXERNBL28IO/4ZZDtkZvosy92iUG/BlXzdxB4+9pZ3wgqeih9Q 2hVNgX+xQ+M6BoTyMZ11OvZxqvaIr4e4ijx/CRx+jkqsX3tgoWzcEWe6EDpAL/6s G7+0cZ04L5zdbZg0NTqciuN04Wm7HEKTpCr3Da/BwomP7Wzx/zHkKAi0IUj/Qa9f hD/RYmapejks3QXpVPaxYoSQANq7u7dBlSenNYxKaurRNDe9JO8y0LHrLWgF/PlW CRRt3k7x5bo+nHSUQrZTIeJhPLcvZ9zxLhs1X3ksSdB44ro0pH9kGky6ewPzrd/7 8HimC+ibFB5bU+sjw1iLNZY3Wd9pVNpiezuCzoKgK4mJ8IjbtFm+mBRvDL4bf5xA oKMD5Aa57OYRgeRzm5ZR =N1Wn -----END PGP SIGNATURE-----