CVE-2014-3343: Input Validation
First published: Wed Sep 10 2014(Updated: )
Cisco IOS XR 5.1 allows remote attackers to cause a denial of service (DHCPv6 daemon crash) via a malformed DHCPv6 packet, aka Bug ID CSCuo59052.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XRv 9000 | =5.1.0 |
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Reference Links
- http://secunia.com/advisories/60122
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3343
- http://tools.cisco.com/security/center/viewAlert.x?alertId=35651
- http://www.securityfocus.com/bid/69667
- http://www.securitytracker.com/id/1030816
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95781
Frequently Asked Questions
What is the severity of CVE-2014-3343?
CVE-2014-3343 has a severity rating that can lead to a denial of service due to a crash of the DHCPv6 daemon.
How do I fix CVE-2014-3343?
To fix CVE-2014-3343, upgrade to a patched version of Cisco IOS XR that addresses the vulnerability.
What versions of Cisco IOS are affected by CVE-2014-3343?
CVE-2014-3343 specifically affects Cisco IOS XR version 5.1.0.
What type of attack does CVE-2014-3343 enable?
CVE-2014-3343 enables remote attackers to execute a denial of service attack through malformed DHCPv6 packets.
Is CVE-2014-3343 exploitable remotely?
Yes, CVE-2014-3343 is exploitable remotely as it targets the DHCPv6 daemon.
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