CVE-2014-3293
First published: Tue Oct 28 2014(Updated: )
Cisco IOS 15.4(3)S0b on ASR901 devices makes incorrect decisions to use the CPU for IPv4 packet processing, which allows remote attackers to cause a denial of service (BGP neighbor flapping) by sending many crafted IPv4 packets, aka Bug ID CSCuo29736.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Puppet Cisco IOS | =15.4\(3\)s0b | |
| Cisco ASR 901 |
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Reference Links
- http://secunia.com/advisories/61830
- http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-3293
- http://tools.cisco.com/security/center/viewAlert.x?alertId=36195
- http://www.securityfocus.com/bid/70744
- http://www.securitytracker.com/id/1031122
- https://exchange.xforce.ibmcloud.com/vulnerabilities/97769
Frequently Asked Questions
What is the severity of CVE-2014-3293?
CVE-2014-3293 is considered a high severity vulnerability that can lead to denial of service due to BGP neighbor flapping.
How do I fix CVE-2014-3293?
To fix CVE-2014-3293, it is recommended to upgrade to a version of Cisco IOS that does not contain the vulnerability.
What systems are affected by CVE-2014-3293?
CVE-2014-3293 affects Cisco IOS 15.4(3)S0b on ASR901 devices.
What is the impact of CVE-2014-3293 on network devices?
The impact of CVE-2014-3293 is that it allows remote attackers to disrupt network services through denial of service.
Are there any workarounds for CVE-2014-3293?
There are no specific workarounds for CVE-2014-3293; updating to a safe version is the best mitigation.
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