CVE-2012-4617: Input Validation
First published: Thu Sep 27 2012(Updated: )
The BGP implementation in Cisco IOS 15.2, IOS XE 3.5.xS before 3.5.2S, and IOS XR 4.1.0 through 4.2.2 allows remote attackers to cause a denial of service (multiple connection resets) by leveraging a peer relationship and sending a malformed attribute, aka Bug IDs CSCtt35379, CSCty58300, CSCtz63248, and CSCtz62914.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS | =15.2 | |
| Cisco IOS XE Web UI | =3.5.0s | |
| Cisco IOS XE Web UI | =3.5.1s | |
| Cisco IOS XRv 9000 | =4.1 | |
| Cisco IOS XRv 9000 | =4.1.1 | |
| Cisco IOS XRv 9000 | =4.1.2 | |
| Cisco IOS XRv 9000 | =4.2.0 | |
| Cisco IOS XRv 9000 | =4.2.1 | |
| Cisco IOS XRv 9000 | =4.2.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2012-4617?
CVE-2012-4617 has a severity rating of medium due to its ability to cause denial of service conditions.
How do I fix CVE-2012-4617?
To fix CVE-2012-4617, upgrade to the latest versions of Cisco IOS, IOS XE, or IOS XR as specified in the security advisory.
What systems are affected by CVE-2012-4617?
CVE-2012-4617 affects Cisco IOS 15.2, IOS XE 3.5.xS before 3.5.2S, as well as IOS XR versions 4.1.0 through 4.2.2.
Can CVE-2012-4617 be exploited remotely?
Yes, CVE-2012-4617 can be exploited remotely by attackers leveraging a peer relationship.
What type of attack does CVE-2012-4617 enable?
CVE-2012-4617 enables attackers to cause a denial of service through multiple connection resets.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/author
- agent/last-modified-date
- agent/severity
- agent/weakness
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/cisco
- canonical/cisco ios
- version/cisco ios/15.2
- canonical/cisco ios xe web ui
- version/cisco ios xe web ui/3.5.0s
- version/cisco ios xe web ui/3.5.1s
- canonical/cisco ios xrv 9000
- version/cisco ios xrv 9000/4.1
- version/cisco ios xrv 9000/4.1.1
- version/cisco ios xrv 9000/4.1.2
- version/cisco ios xrv 9000/4.2.0
- version/cisco ios xrv 9000/4.2.1
- version/cisco ios xrv 9000/4.2.2