CVE-2014-3308: Input Validation
First published: Mon Jul 07 2014(Updated: )
Cisco IOS XR on Trident line cards in ASR 9000 devices lacks a static punt policer, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted packets, aka Bug ID CSCun83985.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XRv 9000 | ||
| Cisco ASR 9000v-v2 | ||
| Cisco ASR 9001 | ||
| Cisco ASR 9006 Router | ||
| Cisco ASR 9010 Router | ||
| Cisco ASR 9904 | ||
| Cisco ASR 9912 | ||
| Cisco ASR 9922 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2014-3308?
CVE-2014-3308 is classified as a denial of service vulnerability that can significantly impact device performance.
How do I fix CVE-2014-3308?
To fix CVE-2014-3308, upgrade to the recommended patched versions of Cisco IOS XR as specified by Cisco.
What type of devices are affected by CVE-2014-3308?
CVE-2014-3308 affects Cisco ASR 9000 series devices running Cisco IOS XR.
What attack vector is used in CVE-2014-3308?
CVE-2014-3308 can be exploited remotely by sending specifically crafted packets to the affected devices.
What can be the potential consequences of CVE-2014-3308?
Exploitation of CVE-2014-3308 may lead to excessive CPU consumption, resulting in device instability or denial of service.
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- canonical/cisco asr 9912
- canonical/cisco asr 9922