-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Cisco Security Advisory: Cisco ASA Software DHCPv6 Relay Denial of Service Vulnerability Advisory ID: cisco-sa-20151021-asa-dhcp1 Revision 1.0 For Public Release 2015 October 21 16:00 UTC (GMT) +--------------------------------------------------------------------- Summary ======= A vulnerability in the DHCPv6 relay feature of Cisco Adaptive Security Appliance (ASA) software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to insufficient validation of DHCPv6 packets. Cisco ASA Software is affected by this vulnerability only if the software is configured with the DHCPv6 relay feature. An attacker could exploit this vulnerability by sending crafted DHCPv6 packets to an affected device. Cisco has released software updates that address this vulnerability. Workarounds that mitigate this vulnerability are not available. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151021-asa-dhcp1 -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.22 (Darwin) Comment: GPGTools - https://gpgtools.org iQIcBAEBCgAGBQJWJ6E/AAoJEIpI1I6i1Mx3ffkP/3HijAWXUfvOlxdMARZzScYD tyjICL7uJoze9XMAKVd1CZvqQgImaySEDhkmPgfHnFkV0kiKbOvOFj/Z51Z7u64Y VqbxUcaH5z3lldZDeTZOlML/Q2kbHYHWACBkwsXKm83v5lvzl8OwP0W7OenN/iQh TKJiNrcsaPtGQh2y40qw1/2k5kWe1SROJqAx5cK/RC2a260YZLC4vTqA4EVgiP/g N+C6gtn/r3/yxI5jg4aqi5qJnRJYzMs+U4IOuBxgYdWfwcHWQtZMWyKpQr+rgro9 DKnIVsNYbuxwFOJNxuNwtXfeMJE526aA/vbVn8syb4FHTaaKoLoqXZZHLuVFKqVw 3GN1+HHyXDRndixohQ9uxnI27z5fi/G4GN0V9LxukRx1ipyaIaZ8v+EoHpElH9gg 4IMdtyUsCMZ7pIyovGWkcZ8gVnYORvViMYLAqc7AjMnlclEYRnhQoZ1cTmBxDd6Z 9V1Yic+73F2XEi+6qjCyVN8bZjCWhfNMMCt8WdQU6kRciaiWdoy21WS592vmdo2V 9cuW2YgkNb6RO7fhWYSbmmu8HNXuwgWITJhfR1nBqX8Of/KZbXMoOwf4Lepzx+vQ ygkKhpHCIy7fjYaWm0LGJsPWHYdVSXiJMPgCaEkiRfzkj6Tj4u1o7JkTkKkErddD /bG78qgJml+GzUSeK3T7 =Ovg7 -----END PGP SIGNATURE-----