First published: Thu Sep 28 2017(Updated: )
A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS 15.0 through 15.6 could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a misclassification of Ethernet frames. An attacker could exploit this vulnerability by sending a crafted Ethernet frame to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCvc03809.
Credit: ykramarz@cisco.com psirt@cisco.com
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco IOS | =12.4\(25e\)jao3a | |
Cisco IOS | =12.4\(25e\)jao20s | |
Cisco IOS | =12.4\(25e\)jap1n | |
Cisco IOS | =12.4\(25e\)jap9 | |
Cisco IOS | =15.0\(2\)sqd7 | |
Cisco IOS | =15.1\(2\)sg7a | |
Cisco IOS | =15.1\(4\)gc | |
Cisco IOS | =15.1\(4\)gc1 | |
Cisco IOS | =15.1\(4\)gc2 | |
Cisco IOS | =15.1\(4\)m | |
Cisco IOS | =15.1\(4\)m1 | |
Cisco IOS | =15.1\(4\)m2 | |
Cisco IOS | =15.1\(4\)m3 | |
Cisco IOS | =15.1\(4\)m3a | |
Cisco IOS | =15.1\(4\)m4 | |
Cisco IOS | =15.1\(4\)m5 | |
Cisco IOS | =15.1\(4\)m6 | |
Cisco IOS | =15.1\(4\)m7 | |
Cisco IOS | =15.1\(4\)m8 | |
Cisco IOS | =15.1\(4\)m9 | |
Cisco IOS | =15.1\(4\)m10 | |
Cisco IOS | =15.2\(1\)gc | |
Cisco IOS | =15.2\(1\)gc1 | |
Cisco IOS | =15.2\(1\)gc2 | |
Cisco IOS | =15.2\(1\)t | |
Cisco IOS | =15.2\(1\)t1 | |
Cisco IOS | =15.2\(1\)t2 | |
Cisco IOS | =15.2\(1\)t3 | |
Cisco IOS | =15.2\(1\)t3a | |
Cisco IOS | =15.2\(1\)t4 | |
Cisco IOS | =15.2\(2\)e3 | |
Cisco IOS | =15.2\(2\)e5b | |
Cisco IOS | =15.2\(2\)gc | |
Cisco IOS | =15.2\(2\)ja | |
Cisco IOS | =15.2\(2\)ja1 | |
Cisco IOS | =15.2\(2\)jax | |
Cisco IOS | =15.2\(2\)jax1 | |
Cisco IOS | =15.2\(2\)jb | |
Cisco IOS | =15.2\(2\)jb2 | |
Cisco IOS | =15.2\(2\)jb3 | |
Cisco IOS | =15.2\(2\)jb4 | |
Cisco IOS | =15.2\(2\)jb5 | |
Cisco IOS | =15.2\(2\)jb6 | |
Cisco IOS | =15.2\(2\)jn1 | |
Cisco IOS | =15.2\(2\)jn2 | |
Cisco IOS | =15.2\(2\)t | |
Cisco IOS | =15.2\(2\)t1 | |
Cisco IOS | =15.2\(2\)t2 | |
Cisco IOS | =15.2\(2\)t3 | |
Cisco IOS | =15.2\(2\)t4 | |
Cisco IOS | =15.2\(3\)ex | |
Cisco IOS | =15.2\(3\)gc | |
Cisco IOS | =15.2\(3\)gc1 | |
Cisco IOS | =15.2\(3\)t | |
Cisco IOS | =15.2\(3\)t1 | |
Cisco IOS | =15.2\(3\)t2 | |
Cisco IOS | =15.2\(3\)t3 | |
Cisco IOS | =15.2\(3\)t4 | |
Cisco IOS | =15.2\(4\)ec | |
Cisco IOS | =15.2\(4\)gc | |
Cisco IOS | =15.2\(4\)gc1 | |
Cisco IOS | =15.2\(4\)gc2 | |
Cisco IOS | =15.2\(4\)gc3 | |
Cisco IOS | =15.2\(4\)ja | |
Cisco IOS | =15.2\(4\)ja1 | |
Cisco IOS | =15.2\(4\)jb | |
Cisco IOS | =15.2\(4\)jb1 | |
Cisco IOS | =15.2\(4\)jb2 | |
Cisco IOS | =15.2\(4\)jb3 | |
Cisco IOS | =15.2\(4\)jb3a | |
Cisco IOS | =15.2\(4\)jb3b | |
Cisco IOS | =15.2\(4\)jb3h | |
Cisco IOS | =15.2\(4\)jb3s | |
Cisco IOS | =15.2\(4\)jb4 | |
Cisco IOS | =15.2\(4\)jb5 | |
Cisco IOS | =15.2\(4\)jb5h | |
Cisco IOS | =15.2\(4\)jb5m | |
Cisco IOS | =15.2\(4\)jb6 | |
Cisco IOS | =15.2\(4\)jb7 | |
Cisco IOS | =15.2\(4\)jn | |
Cisco IOS | =15.2\(4\)m | |
Cisco IOS | =15.2\(4\)m1 | |
Cisco IOS | =15.2\(4\)m2 | |
Cisco IOS | =15.2\(4\)m3 | |
Cisco IOS | =15.2\(4\)m4 | |
Cisco IOS | =15.2\(4\)m5 | |
Cisco IOS | =15.2\(4\)m6 | |
Cisco IOS | =15.2\(4\)m6a | |
Cisco IOS | =15.2\(4\)m7 | |
Cisco IOS | =15.2\(4\)m8 | |
Cisco IOS | =15.2\(4\)m9 | |
Cisco IOS | =15.2\(4\)m10 | |
Cisco IOS | =15.2\(4\)m11 | |
Cisco IOS | =15.2\(5\)e2a | |
Cisco IOS | =15.2\(5\)e2b | |
Cisco IOS | =15.2\(5a\)e1 | |
Cisco IOS | =15.3\(1\)t | |
Cisco IOS | =15.3\(1\)t1 | |
Cisco IOS | =15.3\(1\)t2 | |
Cisco IOS | =15.3\(1\)t3 | |
Cisco IOS | =15.3\(1\)t4 | |
Cisco IOS | =15.3\(2\)t | |
Cisco IOS | =15.3\(2\)t1 | |
Cisco IOS | =15.3\(2\)t2 | |
Cisco IOS | =15.3\(2\)t3 | |
Cisco IOS | =15.3\(2\)t4 | |
Cisco IOS | =15.3\(3\)ja | |
Cisco IOS | =15.3\(3\)ja1 | |
Cisco IOS | =15.3\(3\)ja1m | |
Cisco IOS | =15.3\(3\)ja1n | |
Cisco IOS | =15.3\(3\)ja4 | |
Cisco IOS | =15.3\(3\)ja5 | |
Cisco IOS | =15.3\(3\)ja6 | |
Cisco IOS | =15.3\(3\)ja7 | |
Cisco IOS | =15.3\(3\)ja8 | |
Cisco IOS | =15.3\(3\)ja10 | |
Cisco IOS | =15.3\(3\)ja11 | |
Cisco IOS | =15.3\(3\)ja76 | |
Cisco IOS | =15.3\(3\)ja77 | |
Cisco IOS | =15.3\(3\)jaa | |
Cisco IOS | =15.3\(3\)jab | |
Cisco IOS | =15.3\(3\)jax | |
Cisco IOS | =15.3\(3\)jax1 | |
Cisco IOS | =15.3\(3\)jax2 | |
Cisco IOS | =15.3\(3\)jb | |
Cisco IOS | =15.3\(3\)jb75 | |
Cisco IOS | =15.3\(3\)jbb | |
Cisco IOS | =15.3\(3\)jbb1 | |
Cisco IOS | =15.3\(3\)jbb2 | |
Cisco IOS | =15.3\(3\)jbb4 | |
Cisco IOS | =15.3\(3\)jbb5 | |
Cisco IOS | =15.3\(3\)jbb6 | |
Cisco IOS | =15.3\(3\)jbb6a | |
Cisco IOS | =15.3\(3\)jbb8 | |
Cisco IOS | =15.3\(3\)jbb50 | |
Cisco IOS | =15.3\(3\)jc | |
Cisco IOS | =15.3\(3\)jc1 | |
Cisco IOS | =15.3\(3\)jc2 | |
Cisco IOS | =15.3\(3\)jc3 | |
Cisco IOS | =15.3\(3\)jc4 | |
Cisco IOS | =15.3\(3\)jc5 | |
Cisco IOS | =15.3\(3\)jc6 | |
Cisco IOS | =15.3\(3\)jc7 | |
Cisco IOS | =15.3\(3\)jc50 | |
Cisco IOS | =15.3\(3\)jc51 | |
Cisco IOS | =15.3\(3\)jca7 | |
Cisco IOS | =15.3\(3\)jd | |
Cisco IOS | =15.3\(3\)jd2 | |
Cisco IOS | =15.3\(3\)jd3 | |
Cisco IOS | =15.3\(3\)jd4 | |
Cisco IOS | =15.3\(3\)jda3 | |
Cisco IOS | =15.3\(3\)je | |
Cisco IOS | =15.3\(3\)je1 | |
Cisco IOS | =15.3\(3\)jn3 | |
Cisco IOS | =15.3\(3\)jn4 | |
Cisco IOS | =15.3\(3\)jn7 | |
Cisco IOS | =15.3\(3\)jn8 | |
Cisco IOS | =15.3\(3\)jn9 | |
Cisco IOS | =15.3\(3\)jnb | |
Cisco IOS | =15.3\(3\)jnb1 | |
Cisco IOS | =15.3\(3\)jnb2 | |
Cisco IOS | =15.3\(3\)jnb3 | |
Cisco IOS | =15.3\(3\)jnb4 | |
Cisco IOS | =15.3\(3\)jnb6 | |
Cisco IOS | =15.3\(3\)jnc | |
Cisco IOS | =15.3\(3\)jnc1 | |
Cisco IOS | =15.3\(3\)jnc4 | |
Cisco IOS | =15.3\(3\)jnd | |
Cisco IOS | =15.3\(3\)jnd1 | |
Cisco IOS | =15.3\(3\)jnd2 | |
Cisco IOS | =15.3\(3\)jnd3 | |
Cisco IOS | =15.3\(3\)jnp | |
Cisco IOS | =15.3\(3\)jnp1 | |
Cisco IOS | =15.3\(3\)jnp2 | |
Cisco IOS | =15.3\(3\)jpb | |
Cisco IOS | =15.3\(3\)jpb1 | |
Cisco IOS | =15.3\(3\)jpb2 | |
Cisco IOS | =15.3\(3\)jpc2 | |
Cisco IOS | =15.3\(3\)jpc3 | |
Cisco IOS | =15.3\(3\)jpd | |
Cisco IOS | =15.3\(3\)m | |
Cisco IOS | =15.3\(3\)m1 | |
Cisco IOS | =15.3\(3\)m2 | |
Cisco IOS | =15.3\(3\)m3 | |
Cisco IOS | =15.3\(3\)m4 | |
Cisco IOS | =15.3\(3\)m5 | |
Cisco IOS | =15.3\(3\)m6 | |
Cisco IOS | =15.3\(3\)m7 | |
Cisco IOS | =15.3\(3\)m8 | |
Cisco IOS | =15.3\(3\)m8a | |
Cisco IOS | =15.3\(3\)m9 | |
Cisco IOS | =15.4\(1\)cg | |
Cisco IOS | =15.4\(1\)cg1 | |
Cisco IOS | =15.4\(1\)t | |
Cisco IOS | =15.4\(1\)t1 | |
Cisco IOS | =15.4\(1\)t2 | |
Cisco IOS | =15.4\(1\)t3 | |
Cisco IOS | =15.4\(1\)t4 | |
Cisco IOS | =15.4\(2\)cg | |
Cisco IOS | =15.4\(2\)t | |
Cisco IOS | =15.4\(2\)t1 | |
Cisco IOS | =15.4\(2\)t2 | |
Cisco IOS | =15.4\(2\)t3 | |
Cisco IOS | =15.4\(2\)t4 | |
Cisco IOS | =15.4\(3\)m | |
Cisco IOS | =15.4\(3\)m1 | |
Cisco IOS | =15.4\(3\)m2 | |
Cisco IOS | =15.4\(3\)m3 | |
Cisco IOS | =15.4\(3\)m4 | |
Cisco IOS | =15.4\(3\)m5 | |
Cisco IOS | =15.4\(3\)m6 | |
Cisco IOS | =15.4\(3\)m6a | |
Cisco IOS | =15.4\(3\)s5a | |
Cisco IOS | =15.4\(3\)s6b | |
Cisco IOS | =15.4\(3\)s7a | |
Cisco IOS | =15.5\(1\)t | |
Cisco IOS | =15.5\(1\)t1 | |
Cisco IOS | =15.5\(1\)t2 | |
Cisco IOS | =15.5\(1\)t3 | |
Cisco IOS | =15.5\(1\)t4 | |
Cisco IOS | =15.5\(2\)t | |
Cisco IOS | =15.5\(2\)t1 | |
Cisco IOS | =15.5\(2\)t2 | |
Cisco IOS | =15.5\(2\)t3 | |
Cisco IOS | =15.5\(2\)t4 | |
Cisco IOS | =15.5\(3\)m | |
Cisco IOS | =15.5\(3\)m0a | |
Cisco IOS | =15.5\(3\)m1 | |
Cisco IOS | =15.5\(3\)m2 | |
Cisco IOS | =15.5\(3\)m3 | |
Cisco IOS | =15.5\(3\)m4 | |
Cisco IOS | =15.5\(3\)m4a | |
Cisco IOS | =15.5\(3\)s2a | |
Cisco IOS | =15.5\(3\)s2b | |
Cisco IOS | =15.5\(3\)s3a | |
Cisco IOS | =15.5\(3\)s4a | |
Cisco IOS | =15.5\(3\)s4b | |
Cisco IOS | =15.5\(3\)s4d | |
Cisco IOS | =15.6\(1\)s1a | |
Cisco IOS | =15.6\(1\)t | |
Cisco IOS | =15.6\(1\)t0a | |
Cisco IOS | =15.6\(1\)t1 | |
Cisco IOS | =15.6\(1\)t2 | |
Cisco IOS | =15.6\(1\)t3 | |
Cisco IOS | =15.6\(2\)s0a | |
Cisco IOS | =15.6\(2\)s2 | |
Cisco IOS | =15.6\(2\)s3 | |
Cisco IOS | =15.6\(2\)sp1b | |
Cisco IOS | =15.6\(2\)sp1c | |
Cisco IOS | =15.6\(2\)sp2a | |
Cisco IOS | =15.6\(2\)t | |
Cisco IOS | =15.6\(2\)t1 | |
Cisco IOS | =15.6\(2\)t2 | |
Cisco IOS | =15.6\(3\)m | |
Cisco IOS | =15.6\(3\)m0a | |
Cisco IOS | ||
All of | ||
Cisco IOS | >=15.0<=15.6 | |
Any of | ||
Cisco 1000 Integrated Services Router | ||
Cisco 1100-4g/6g Integrated Services Router | ||
Cisco 1100-4g/6g Integrated Services Router | ||
Cisco 1100 Integrated Services Router | ||
Cisco 1100 Integrated Services Router | ||
Cisco 1100 Integrated Services Router | ||
Cisco 1100 Integrated Services Router | ||
Cisco 1100 Series Integrated Services Router | ||
Cisco 1101 Integrated Services Router | ||
Cisco 1101 Integrated Services Router | ||
Cisco 1109 Integrated Services Router | ||
Cisco 1109 Integrated Services Router | ||
Cisco 1109 Integrated Services Router | ||
Cisco 1111x-8p | ||
Cisco 111x Integrated Services Router | ||
Cisco 111x Integrated Services Router | ||
Cisco 1120 Integrated Services Router | ||
Cisco 1131 Integrated Services Router | ||
Cisco 1160 Integrated Services Router | ||
Cisco 1801 Integrated Service Router | ||
Cisco 1802 Integrated Service Router | ||
Cisco 1803 Integrated Service Router | ||
Cisco 1811 Integrated Service Router | ||
Cisco 1812 Integrated Service Router | ||
Cisco 1841 Integrated Service Router | ||
Cisco 1861 Integrated Service Router | ||
Cisco 1905 Serial Integrated Services Router | ||
Cisco 1906c Integrated Services Router | ||
Cisco 1921 Integrated Services Router | ||
Cisco 1941w Integrated Services Router | ||
Cisco 1941w Integrated Services Router | ||
Cisco 4000 Series Integrated Services Routers | ||
Cisco 422 Integrated Services Router | ||
Cisco 4221 Integrated Services Router | ||
Cisco 4321/k9-rf Integrated Services Router | ||
Cisco 4321/k9-ws Integrated Services Router | ||
Cisco 4321 Integrated Services Router | ||
Cisco 4321/k9 Integrated Services Router | ||
Cisco 4331/k9-rf Integrated Services Router | ||
Cisco 4331/k9-ws Integrated Services Router | ||
Cisco 4331 Integrated Services Router | ||
Cisco 4331/k9-rf Integrated Services Router | ||
Cisco 4351/k9-rf Integrated Services Router | ||
Cisco 4351/k9 Integrated Services Router | ||
Cisco 4351/k9 Integrated Services Router | ||
Cisco 4351/k9-rf Integrated Services Router | ||
Cisco 4431 Integrated Services Router | ||
Cisco 44461 Integrated Services Router | ||
Cisco 4451-X Integrated Services Router | ||
Cisco 4451-X Integrated Services Router | ||
Cisco 4441 Integrated Services Router | ||
Cisco 829 Industrial Integrated Services Router Firmware | ||
Cisco 829 Industrial Integrated Services Router Firmware | ||
Cisco 829 Industrial Integrated Services Router Firmware | ||
Cisco 860vae-w Integrated Services Router | ||
Cisco 861w Integrated Services Router | ||
Cisco 861 Integrated Services Router | ||
Cisco c866vae integrated services router | ||
Cisco 867 Integrated Services Router | ||
Cisco 867 Integrated Services Router | ||
Cisco 871 Integrated Services Router | ||
Cisco 880-voice Integrated Services Router | ||
Cisco Integrated Services Routers Generation 2 (ISR G2) | ||
Cisco 881-CUBE Integrated Services Router | ||
Cisco c881w Integrated Services Router | ||
Cisco 881-CUBE Integrated Services Router | ||
Cisco c881w Integrated Services Router | ||
Cisco 886 Integrated Services Router | ||
Cisco 886va-cube Integrated Services Router | ||
Cisco c886vaj Integrated Services Router | ||
Cisco 886va-w Integrated Services Router | ||
Cisco 886vag 3g Integrated Services Router | ||
Cisco 887 Integrated Services Router | ||
Cisco 887v Integrated Services Router | ||
Cisco 887va-cube Integrated Services Router | ||
Cisco c887va Integrated Services Router | ||
Cisco 887va-cube Integrated Services Router | ||
Cisco 887vagw 3G Integrated Services Router | ||
Cisco 887vam-w Integrated Services Router | ||
Cisco 887vagw 3G Integrated Services Router | ||
Cisco 888e-cube Integrated Services Router | ||
Cisco 888e-cube Integrated Services Router | ||
Cisco 888e-cube Integrated Services Router | ||
Cisco 888e-cube Integrated Services Router | ||
Cisco 888EG 3G Integrated Services Router | ||
Cisco 888w Integrated Services Router | ||
Cisco 891-24x Integrated Services Router | ||
Cisco 891-24x Integrated Services Router | ||
Cisco 891w Integrated Services Router | ||
Cisco 892 Integrated Services Router | ||
Cisco 892f-cube Integrated Services Router | ||
Cisco 892w Integrated Services Router | ||
Cisco ASR 1000 Series | ||
Cisco ASR 1000 Series | ||
Cisco ASR 1000 Series | ||
Cisco ASR 1000 ESP 200 | ||
Cisco ASR 1000 series software | ||
Cisco ASR 1000 Series | ||
Cisco ASR 1001 | ||
Cisco ASR 1001 | ||
Cisco ASR 1001-HX-RF | ||
Cisco ASR 1001-X | ||
Cisco ASR 1001-X | ||
Cisco ASR 1002 Fixed Router | ||
Cisco ASR 1002 Fixed Router | ||
Cisco ASR 1002-HX | ||
Cisco ASR 1002-X | ||
Cisco ASR 1002-X | ||
Cisco ASR 1004 | ||
Cisco ASR 1006 | ||
Cisco ASR 1006-X | ||
Cisco ASR 1009-X | ||
Cisco ASR 1013 | ||
Cisco ASR 1023 Router | ||
Cisco Catalyst 8200 | ||
Cisco Catalyst 8300 | ||
Cisco Catalyst 8300-1N1S-4T2X | ||
Cisco Catalyst 8300 | ||
Cisco Catalyst 8300-2N2S-4T2X | ||
Cisco Catalyst 8300 | ||
Cisco Catalyst 8500L Series Router | ||
Cisco Catalyst 8500 | ||
Cisco Catalyst 8500 | ||
Cisco Catalyst 8510 CSR | ||
Cisco Catalyst 8510MSR | ||
Cisco Catalyst 8540CSR | ||
Cisco Catalyst 8540MSR | ||
Cisco Cloud Services Router 1000V | ||
Cisco Integrated Services Virtual Router Firmware |
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The severity of CVE-2017-12232 has been rated as Medium due to its potential for denial of service (DoS) attacks on vulnerable Cisco Integrated Services Routers.
To fix CVE-2017-12232, update the affected Cisco IOS software to a version that contains the necessary patches or mitigations.
CVE-2017-12232 affects various Cisco Integrated Services Routers running Cisco IOS versions 15.0 through 15.6.
CVE-2017-12232 can facilitate denial-of-service (DoS) attacks that cause the affected device to reload unexpectedly.
No, CVE-2017-12232 can be exploited by unauthenticated adjacent attackers.