CVE-2012-5723: Input Validation
First published: Thu Apr 24 2014(Updated: )
Cisco ASR 1000 devices with software before 3.8S, when BDI routing is enabled, allow remote attackers to cause a denial of service (device reload) via crafted (1) broadcast or (2) multicast ICMP packets with fragmentation, aka Bug ID CSCub55948.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XE | <=3.7s\(.1\) | |
| Cisco IOS XE | =3.6.0s | |
| Cisco IOS XE | =3.6.1s | |
| Cisco IOS XE | =3.6.2s | |
| Cisco IOS XE | =3.6s\(.0\) | |
| Cisco IOS XE | =3.6s\(.1\) | |
| Cisco IOS XE | =3.6s\(.2\) | |
| Cisco IOS XE | =3.7.0s | |
| Cisco IOS XE | =3.7.1s | |
| Cisco IOS XE | =3.7.2s | |
| Cisco IOS XE | =3.7s\(.0\) | |
| Cisco ASR 1001 | ||
| Cisco ASR 1002 Fixed Router | ||
| Cisco ASR 1002-X | ||
| Cisco ASR 1002-X | ||
| Cisco ASR 1004 | ||
| Cisco ASR 1006 | ||
| Cisco ASR 1013 | ||
| Cisco ASR 1023 Router |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2012-5723?
CVE-2012-5723 has a severity rating that indicates it can lead to a denial of service (DoS) condition.
How do I fix CVE-2012-5723?
To fix CVE-2012-5723, upgrade Cisco ASR 1000 devices to the software version 3.8S or later.
What devices are affected by CVE-2012-5723?
CVE-2012-5723 affects Cisco ASR 1000 devices running certain versions of Cisco IOS XE prior to 3.8S.
What type of attack is associated with CVE-2012-5723?
CVE-2012-5723 is associated with remote denial of service attacks using crafted broadcast or multicast ICMP packets.
Is there a workaround for CVE-2012-5723 if I cannot upgrade?
Disabling BDI routing can serve as a temporary workaround for CVE-2012-5723.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/author
- agent/last-modified-date
- agent/severity
- agent/weakness
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/cisco
- canonical/cisco ios xe
- version/cisco ios xe/3.7s\(.1\)
- version/cisco ios xe/3.6.0s
- version/cisco ios xe/3.6.1s
- version/cisco ios xe/3.6.2s
- version/cisco ios xe/3.6s\(.0\)
- version/cisco ios xe/3.6s\(.1\)
- version/cisco ios xe/3.6s\(.2\)
- version/cisco ios xe/3.7.0s
- version/cisco ios xe/3.7.1s
- version/cisco ios xe/3.7.2s
- version/cisco ios xe/3.7s\(.0\)
- canonical/cisco asr 1001
- canonical/cisco asr 1002 fixed router
- canonical/cisco asr 1002-x
- canonical/cisco asr 1004
- canonical/cisco asr 1006
- canonical/cisco asr 1013
- canonical/cisco asr 1023 router