PT-2016-6895 · Cisco · Cisco Ios Xr

Published 2016-09-28 · Updated 2017-07-30 · CVE-2016-6421

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions Cisco IOS XR version 5.2.2

Description A memory error in the Open Shortest Path First (OSPF) Link State Advertisement (LSA) functionality could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition by sending a crafted OSPF LSA update to an affected device. This could result in the OSPF process restarting when the crafted update is received.

Recommendations For Cisco IOS XR version 5.2.2, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-399

Related Identifiers

CVE-2016-6421

Affected Products

Cisco Ios Xr

References · 5

• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160928-ospf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-6421 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-6421 · Security Note
• http://securityfocus.com/bid/93212 · Note
• http://securitytracker.com/id/1036909 · Note