CVE-2011-3295: Input Validation
First published: Wed May 02 2012(Updated: )
The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XRv 9000 | =4.0.4 | |
| Cisco IOS XRv 9000 | =3.8.4 | |
| Cisco IOS XRv 9000 | =3.9.0 | |
| Cisco IOS XRv 9000 | =3.9.2 | |
| Cisco IOS XRv 9000 | =3.9.1 | |
| Cisco IOS XRv 9000 | =3.8.1 | |
| Cisco IOS XRv 9000 | =3.8.2 | |
| Cisco IOS XRv 9000 | =4.0.2 | |
| Cisco IOS XRv 9000 | =4.1 | |
| Cisco IOS XRv 9000 | =3.8.3 | |
| Cisco IOS XRv 9000 | =4.0.1 | |
| Cisco IOS XRv 9000 | =4.0.0 | |
| Cisco IOS XRv 9000 | =4.0.3 | |
| Cisco IOS XRv 9000 | =3.8.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2011-3295?
CVE-2011-3295 is classified as a denial of service vulnerability that can lead to significant CPU consumption.
How do I fix CVE-2011-3295?
To mitigate CVE-2011-3295, upgrade to a fixed version of Cisco IOS XR as specified in Cisco's security advisories.
Which Cisco products are affected by CVE-2011-3295?
CVE-2011-3295 affects various versions of Cisco IOS XR including versions from 3.8 through the 4.1 series.
Can CVE-2011-3295 be exploited remotely?
Yes, CVE-2011-3295 can be exploited remotely by attackers using crafted network traffic.
What are the symptoms of a CVE-2011-3295 attack?
The main symptom of an attack exploiting CVE-2011-3295 is increased CPU usage leading to potential service interruptions.
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/severity
- agent/references
- agent/last-modified-date
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-historical
- agent/software-canonical-lookup-request
- collector/nvd-index
- vendor/cisco
- canonical/cisco ios xrv 9000
- version/cisco ios xrv 9000/4.0.4
- version/cisco ios xrv 9000/3.8.4
- version/cisco ios xrv 9000/3.9.0
- version/cisco ios xrv 9000/3.9.2
- version/cisco ios xrv 9000/3.9.1
- version/cisco ios xrv 9000/3.8.1
- version/cisco ios xrv 9000/3.8.2
- version/cisco ios xrv 9000/4.0.2
- version/cisco ios xrv 9000/4.1
- version/cisco ios xrv 9000/3.8.3
- version/cisco ios xrv 9000/4.0.1
- version/cisco ios xrv 9000/4.0.0
- version/cisco ios xrv 9000/4.0.3
- version/cisco ios xrv 9000/3.8.0