CVE-2013-1166: Input Validation
First published: Thu Apr 11 2013(Updated: )
Cisco IOS XE 3.2 through 3.4 before 3.4.5S, and 3.5 through 3.7 before 3.7.1S, on 1000 series Aggregation Services Routers (ASR), when VRF-aware NAT and SIP ALG are enabled, allows remote attackers to cause a denial of service (card reload) by sending many SIP packets, aka Bug ID CSCuc65609.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco ASR 1001 | ||
| Cisco ASR 1002 Fixed Router | ||
| Cisco ASR 1002-X | ||
| Cisco ASR 1002-X | ||
| Cisco ASR 1004 | ||
| Cisco ASR 1006 | ||
| Cisco ASR 1023 Router | ||
| Cisco IOS XE | =3.2.0s | |
| Cisco IOS XE | =3.2.1s | |
| Cisco IOS XE | =3.2.2s | |
| Cisco IOS XE | =3.3.0s | |
| Cisco IOS XE | =3.3.1s | |
| Cisco IOS XE | =3.3.2s | |
| Cisco IOS XE | =3.4.0as | |
| Cisco IOS XE | =3.4.0s | |
| Cisco IOS XE | =3.4.1s | |
| Cisco IOS XE | =3.4.2s | |
| Cisco IOS XE | =3.4.3s | |
| Cisco IOS XE | =3.4.4s | |
| Cisco IOS XE | =3.7.0s |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2013-1166?
CVE-2013-1166 has a severity rating that indicates a moderate risk of denial of service due to the potential for a card reload.
How do I fix CVE-2013-1166?
To fix CVE-2013-1166, upgrade the affected Cisco IOS XE software to version 3.4.5S or later, or 3.7.1S or later.
What devices are affected by CVE-2013-1166?
CVE-2013-1166 affects Cisco ASR 1001, ASR 1002, ASR 1004, ASR 1006, and ASR 1023 routers running specific versions of Cisco IOS XE.
What type of attack does CVE-2013-1166 allow for?
CVE-2013-1166 allows remote attackers to execute a denial of service attack by flooding the system with SIP packets.
Is there a workaround for CVE-2013-1166?
As a workaround for CVE-2013-1166, consider disabling VRF-aware NAT or the SIP ALG feature if they are not required.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/weakness
- agent/references
- agent/author
- agent/last-modified-date
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/cisco
- 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 1023 router
- canonical/cisco ios xe
- version/cisco ios xe/3.2.0s
- version/cisco ios xe/3.2.1s
- version/cisco ios xe/3.2.2s
- version/cisco ios xe/3.3.0s
- version/cisco ios xe/3.3.1s
- version/cisco ios xe/3.3.2s
- version/cisco ios xe/3.4.0as
- version/cisco ios xe/3.4.0s
- version/cisco ios xe/3.4.1s
- version/cisco ios xe/3.4.2s
- version/cisco ios xe/3.4.3s
- version/cisco ios xe/3.4.4s
- version/cisco ios xe/3.7.0s