-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Cisco Security Advisory: Cisco IOS XE Software NAT Denial of Service Vulnerability
Advisory ID: cisco-sa-20160928-esp-nat Revision: 1.0 For Public Release: 2016 September 28 16:00 GMT +------------------------------------------------------------------------------ Summary ======= A vulnerability in the implementation of Network Address Translation (NAT) functionality in Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper handling of malformed ICMP packets by the affected software. An attacker could exploit this vulnerability by sending crafted ICMP packets that require NAT processing by an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a denial of service (DoS) condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-esp-nat This advisory is part of the September 28, 2016, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication, which includes 10 Cisco Security Advisories that describe 11 vulnerabilities. All the vulnerabilities have a Security Impact Rating of High. For a complete list of the advisories and links to them, see Cisco Event Response: September 2016 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication. -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org iQIcBAEBCAAGBQJX6vssAAoJEK89gD3EAJB55ZkQAK3+Rm0PWnY7f1hzQe/svkhg lh6oi0Kg7UfdHcBpqMd3N/zYTePjD/DTwbGAV0vtgMhPGAEg0Q0L90GE4H5zudgU FktSxr15lKSXpZFooUjQFUSKjqTgDoxV/l0LGy/QqLx4kILHucQly6L34n5O4v1q OdrGjMKzGlG2AIxZOK9VL1Cbvh/XdXInmiOTfjcJrxJ+MMGtK2owJVo6n5jmiaIK 7gIfFdZmI6ODKX47SmRQRe5QWj0pB37zN+RO6N2tN2FHXu/3Wyt4O0SAvbCHhcWu dxRZRhcGUb97xHAJnY5hGRNP25hecl6blq5LLE8vt8G1IIMZGaDFVk+fu96IZ8EC sNgcX9McYdlKTfGfTcgVJwzBp+sFHgrLZngY4xOMKOCKssKT44kO7/WnKVu4jyeQ 2jtaWm9s46dbXWm7poqy4aHlP7tSC9miZXyR25yOUSJqWSyhFRBNsiixuw3ocJtT oBm75amZwqNbxZAM4MdA4h4KCfzM/w6WtBGNr1sGzoP0E5oKrSgKLIpYV6QE4916 lq4GPn7v3wXKIoHNskuNivnAEKspn5qy3RkJ6cdb9HfFrjyq4ylXDBiwsG2gzCoA 7sJRBxRTe97iDwI/33BtFtYBtpwbHlnD5+ldZb4mRjfKUHPJ2jzgRo4WEvRoOW9C 0dgRoK3Me1LL/+ULExyS =OKzi -----END PGP SIGNATURE-----
