CVE-2009-2867
First published: Mon Sep 28 2009(Updated: )
Unspecified vulnerability in Cisco IOS 12.2XNA, 12.2XNB, 12.2XNC, 12.2XND, 12.4T, 12.4XZ, and 12.4YA, when Zone-Based Policy Firewall SIP Inspection is enabled, allows remote attackers to cause a denial of service (device reload) via a crafted SIP transit packet, aka Bug ID CSCsr18691.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS | =12.2xnd | |
| Cisco IOS | =12.4t | |
| Cisco IOS | =12.2xna | |
| Cisco IOS | =12.4ya | |
| Cisco IOS | =12.4xz | |
| Cisco IOS | =12.2xnb | |
| Cisco IOS | =12.4yb | |
| Cisco IOS | =12.2xnc |
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Reference Links
- http://www.cisco.com/en/US/products/products_security_advisory09186a0080af8130.shtml
- http://tools.cisco.com/security/center/viewAlert.x?alertId=18886
- http://www.vupen.com/english/advisories/2009/2759
- http://www.securitytracker.com/id?1022930
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7254
Frequently Asked Questions
What is the severity of CVE-2009-2867?
CVE-2009-2867 has been classified as a high severity vulnerability due to its potential to cause a device reload, leading to a denial of service.
How do I fix CVE-2009-2867?
To resolve CVE-2009-2867, it is recommended to upgrade to a patched version of Cisco IOS that addresses this vulnerability.
Which Cisco IOS versions are affected by CVE-2009-2867?
CVE-2009-2867 affects Cisco IOS versions 12.2XNA, 12.2XNB, 12.2XNC, 12.2XND, 12.4T, 12.4XZ, and 12.4YA when Zone-Based Policy Firewall SIP Inspection is enabled.
What attack vector can exploit CVE-2009-2867?
CVE-2009-2867 can be exploited by remote attackers using crafted SIP transit packets to cause a denial of service on the vulnerable device.
Is there a workaround for CVE-2009-2867?
A potential workaround for CVE-2009-2867 includes disabling Zone-Based Policy Firewall SIP Inspection if immediate upgrading is not possible.
- collector/nvd-historical
- collector/nvd-index
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/references
- agent/last-modified-date
- agent/severity
- agent/author
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- vendor/cisco
- canonical/cisco ios
- version/cisco ios/12.2xnd
- version/cisco ios/12.4t
- version/cisco ios/12.2xna
- version/cisco ios/12.4ya
- version/cisco ios/12.4xz
- version/cisco ios/12.2xnb
- version/cisco ios/12.4yb
- version/cisco ios/12.2xnc