CVE-2013-5545: Input Validation
First published: Thu Oct 31 2013(Updated: )
The PPTP ALG implementation in Cisco IOS XE 3.9 before 3.9.2S on 1000 ASR devices allows remote attackers to cause a denial of service (device reload) by sending many PPTP packets over NAT, aka Bug ID CSCuh19936.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS XE Software | =3.9.0s | |
| Cisco IOS XE Software | =3.9.1s | |
| Cisco ASR 1001 | ||
| Cisco ASR 1002 Fixed Router | ||
| Cisco ASR 1002-X | ||
| Cisco ASR 1004 | ||
| Cisco ASR 1006 | ||
| Cisco ASR 1023 Router |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2013-5545?
The severity of CVE-2013-5545 is classified as high due to its potential to cause a denial of service.
How do I fix CVE-2013-5545?
To fix CVE-2013-5545, upgrade your Cisco IOS XE to version 3.9.2S or later.
Which Cisco devices are affected by CVE-2013-5545?
CVE-2013-5545 affects various Cisco ASR 1000 devices running IOS XE versions 3.9.0S and 3.9.1S.
What type of attack does CVE-2013-5545 exploit?
CVE-2013-5545 exploits the PPTP Application Layer Gateway (ALG) implementation to cause denial of service.
Is there a workaround for CVE-2013-5545 if I cannot upgrade?
There is no specific workaround for CVE-2013-5545; upgrading to the fixed version is recommended for protection.
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- vendor/cisco
- canonical/cisco ios xe software
- version/cisco ios xe software/3.9.0s
- version/cisco ios xe software/3.9.1s
- 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