—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA1

Cisco Security Advisory: Cisco IOS and IOS XE Software Plug-and-Play PKI API Certificate Validation Vulnerability

Advisory ID: cisco-sa-20170927-pnp

Revision: 1.0

For Public Release: 2017 September 27 16:00 GMT

Last Updated: 2017 September 27 16:00 GMT

CVE ID(s): CVE-2017-12228

CVSS Score v(3): 8.7 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

+———————————————————————

Summary
=======
A vulnerability in the Cisco Network Plug and Play application of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data by using an invalid certificate.

The vulnerability is due to insufficient certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software.

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:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-pnp [“https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-pnp”]

This advisory is part of the September 27, 2017, release of the Cisco IOS and IOS XE Software Security Advisory Bundled Publication, which includes 12 Cisco Security Advisories that describe 13 vulnerabilities. For a complete list of the advisories and links to them, see Cisco Event Response: September 2017 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication [“https://tools.cisco.com/security/center/viewErp.x?alertId=ERP-63410”].

—–BEGIN PGP SIGNATURE—–
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=fVvH
—–END PGP SIGNATURE—–

_______________________________________________
cust-security-announce mailing list
cust-security-announce@cisco.com
To unsubscribe, send the command “unsubscribe” in the subject of your message to cust-security-announce-leave@cisco.com