CVE-2015-6278

High

Description

The IPv6 snooping functionality in the first-hop security subsystem in Cisco IOS 12.2, 15.0, 15.1, 15.2, 15.3, 15.4, and 15.5 and IOS XE 3.2SE, 3.3SE, 3.3XO, 3.4SG, 3.5E, and 3.6E before 3.6.3E; 3.7E before 3.7.2E; 3.9S and 3.10S before 3.10.6S; 3.11S before 3.11.4S; 3.12S and 3.13S before 3.13.3S; and 3.14S before 3.14.2S does not properly implement the Control Plane Protection (aka CPPr) feature, which allows remote attackers to cause a denial of service (device reload) via a flood of ND packets, aka Bug ID CSCus19794.

SeverityHigh
CVSS7.8
Exploit probability—
ProductCisco Ios
PublishedSep 28, 2015
First seenSep 28, 2015

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
cisco ios12.2\(50\)sy, 12.2\(50\)sy1, 12.2\(50\)sy2, 12.2\(50\)sy3, 12.2\(50\)sy4, 15.0\(1\)ex, 15.0\(1\)sy, 15.0\(1\)sy1, 15.0\(1\)sy2, 15.0\(1\)sy3, 15.0\(1\)sy4, 15.0\(1\)sy5, 15.0\(1\)sy6, 15.0\(1\)sy7, 15.0\(1\)sy7a, 15.0\(1\)sy8, 15.0\(2\)ea2, 15.0\(2\)ej, 15.0\(2\)ej1, 15.0\(2\)ez, 15.0\(2\)se, 15.0\(2\)se1, 15.0\(2\)se2, 15.0\(2\)se3, 15.0\(2\)se4, 15.0\(2\)se5, 15.0\(2\)se6, 15.0\(2\)se7, 15.0\(2\)se8, 15.0\(2a\)ex5, 15.1\(1\)sy, 15.1\(1\)sy1, 15.1\(1\)sy2, 15.1\(1\)sy3, 15.1\(1\)sy4, 15.1\(1\)sy5, 15.1\(2\)sg, 15.1\(2\)sg1, 15.1\(2\)sg2, 15.1\(2\)sg3, 15.1\(2\)sg4, 15.1\(2\)sg5, 15.1\(2\)sg6, 15.1\(2\)sy, 15.1\(2\)sy1, 15.1\(2\)sy2, 15.1\(2\)sy3, 15.1\(2\)sy4, 15.1\(2\)sy4a, 15.1\(2\)sy5, 15.2\(1\)e, 15.2\(1\)e1, 15.2\(1\)e2, 15.2\(1\)e3, 15.2\(1\)sy, 15.2\(1\)sy0a, 15.2\(2\)e, 15.2\(2\)e1, 15.2\(2\)e2, 15.2\(2\)ea1, 15.2\(2a\)e1, 15.2\(3\)e, 15.2\(3\)e1, 15.2\(3a\)e, 15.2\(4\)s, 15.2\(4\)s1, 15.2\(4\)s2, 15.2\(4\)s3, 15.2\(4\)s3a, 15.2\(4\)s4, 15.2\(4\)s4a, 15.2\(4\)s5, 15.2\(4\)s6, 15.2\(4\)s7, 15.3\(1\)s, 15.3\(1\)s2, 15.3\(2\)s, 15.3\(2\)s0a, 15.3\(2\)s1, 15.3\(2\)s2, 15.3\(3\)s, 15.3\(3\)s1, 15.3\(3\)s2, 15.3\(3\)s3, 15.3\(3\)s4, 15.3\(3\)s5, 15.4\(1\)s, 15.4\(1\)s1, 15.4\(1\)s2, 15.4\(1\)s3, 15.4\(2\)s, 15.4\(2\)s1, 15.4\(2\)s2, 15.4\(2\)s3, 15.4\(3\)s, 15.4\(3\)s1, 15.4\(3\)s2, 15.5\(1\)s, 15.5\(1\)s1—
cisco ios_xe3.2se.0, 3.2se.1, 3.2se.2, 3.2se.3, 3.3se.0, 3.3se.1, 3.3se.2, 3.3se.3, 3.3se.4, 3.3se.5, 3.3xo.0, 3.3xo.1, 3.3xo.2, 3.4sg.0, 3.4sg.1, 3.4sg.2, 3.4sg.3, 3.4sg.4, 3.4sg.5, 3.4sg.6, 3.5e.0, 3.5e.1, 3.5e.2, 3.5e.3, 3.6e.0, 3.6e.0a, 3.6e.0b, 3.6e.1, 3.6e.2, 3.6e.2a, 3.7e.0, 3.7e.1, 3.9s.0, 3.9s.1, 3.9s.2, 3.10s.0, 3.10s.0a, 3.10s.01, 3.10s.1, 3.10s.2, 3.10s.3, 3.10s.4, 3.10s.5, 3.11s.0, 3.11s.1, 3.11s.2, 3.11s.3, 3.12s.0, 3.12s.1, 3.12s.2, 3.12s.3, 3.13s.0, 3.13s.1, 3.13s.2, 3.14s.0, 3.14s.1—

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CVE-2015-6278 · Cisco Ios · Dark Radar