CVE-2009-2056
First published: Fri Aug 21 2009(Updated: )
Cisco IOS XR 3.8.1 and earlier allows remote authenticated users to cause a denial of service (process crash) via vectors involving a BGP UPDATE message with many AS numbers prepended to the AS path.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XRv 9000 | =3.6.1 | |
| Cisco IOS XRv 9000 | =3.7 | |
| Cisco IOS XRv 9000 | =3.1.0 | |
| Cisco IOS XRv 9000 | =3.2 | |
| Cisco IOS XRv 9000 | =3.6.2 | |
| Cisco IOS XRv 9000 | =3.2.50 | |
| Cisco IOS XRv 9000 | =3.6 | |
| Cisco IOS XRv 9000 | =3.4.0 | |
| Cisco IOS XRv 9000 | =3.5.2 | |
| Cisco IOS XRv 9000 | =3.5 | |
| Cisco IOS XRv 9000 | =3.2.3 | |
| Cisco IOS XRv 9000 | =3.3 | |
| Cisco IOS XRv 9000 | =3.2.1 | |
| Cisco IOS XRv 9000 | =3.4.2 | |
| Cisco IOS XRv 9000 | =3.7.2 | |
| Cisco IOS XRv 9000 | =3.4 | |
| Cisco IOS XRv 9000 | =3.4.1 | |
| Cisco IOS XRv 9000 | =3.2.4 | |
| Cisco IOS XRv 9000 | =3.7.0 | |
| Cisco IOS XRv 9000 | =3.4.3 | |
| Cisco IOS XRv 9000 | <=3.8.1 | |
| Cisco IOS XRv 9000 | =3.6.0 | |
| Cisco IOS XRv 9000 | =3.0.1 | |
| Cisco IOS XRv 9000 | =3.2.3 | |
| Cisco IOS XRv 9000 | =3.0 | |
| Cisco IOS XRv 9000 | =3.7.1 | |
| Cisco IOS XRv 9000 | =3.5.3 | |
| Cisco IOS XRv 9000 | =3.7.3 | |
| Cisco IOS XRv 9000 | =3.6.3 | |
| Cisco IOS XRv 9000 | =3.1 | |
| Cisco IOS XRv 9000 | =3.2.2 | |
| Cisco IOS XRv 9000 | =3.8.0 | |
| Cisco IOS XRv 9000 | =3.5.4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2009-2056?
CVE-2009-2056 has a high severity rating as it allows remote authenticated users to trigger a denial of service condition.
How do I fix CVE-2009-2056?
To fix CVE-2009-2056, upgrade to a Cisco IOS XR version that is later than 3.8.1.
What software versions are affected by CVE-2009-2056?
CVE-2009-2056 affects multiple versions of Cisco IOS XR up to and including version 3.8.1.
Can CVE-2009-2056 be exploited remotely?
Yes, CVE-2009-2056 can be exploited by remote authenticated users.
What impact does CVE-2009-2056 have on Cisco devices?
Exploitation of CVE-2009-2056 can cause the affected Cisco device to crash, resulting in downtime and service disruption.
- agent/references
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/last-modified-date
- agent/author
- agent/remedy
- agent/weakness
- agent/event
- agent/description
- agent/first-publish-date
- 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 9000/3.6.1
- version/cisco ios xrv 9000/3.7
- version/cisco ios xrv 9000/3.1.0
- version/cisco ios xrv 9000/3.2
- version/cisco ios xrv 9000/3.6.2
- version/cisco ios xrv 9000/3.2.50
- version/cisco ios xrv 9000/3.6
- version/cisco ios xrv 9000/3.4.0
- version/cisco ios xrv 9000/3.5.2
- version/cisco ios xrv 9000/3.5
- version/cisco ios xrv 9000/3.2.3
- version/cisco ios xrv 9000/3.3
- version/cisco ios xrv 9000/3.2.1
- version/cisco ios xrv 9000/3.4.2
- version/cisco ios xrv 9000/3.7.2
- version/cisco ios xrv 9000/3.4
- version/cisco ios xrv 9000/3.4.1
- version/cisco ios xrv 9000/3.2.4
- version/cisco ios xrv 9000/3.7.0
- version/cisco ios xrv 9000/3.4.3
- version/cisco ios xrv 9000/3.8.1
- version/cisco ios xrv 9000/3.6.0
- version/cisco ios xrv 9000/3.0.1
- version/cisco ios xrv 9000/3.0
- version/cisco ios xrv 9000/3.7.1
- version/cisco ios xrv 9000/3.5.3
- version/cisco ios xrv 9000/3.7.3
- version/cisco ios xrv 9000/3.6.3
- version/cisco ios xrv 9000/3.1
- version/cisco ios xrv 9000/3.2.2
- version/cisco ios xrv 9000/3.8.0
- version/cisco ios xrv 9000/3.5.4