CVE-2018-0117: Input Validation
First published: Thu Feb 08 2018(Updated: )
A vulnerability in the ingress packet processing functionality of the Cisco Virtualized Packet Core-Distributed Instance (VPC-DI) Software could allow an unauthenticated, remote attacker to cause both control function (CF) instances on an affected system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to insufficient handling of user-supplied data by the affected software. An attacker could exploit this vulnerability by sending malicious traffic to the internal distributed instance (DI) network address on an affected system. A successful exploit could allow the attacker to cause an unhandled error condition on the affected system, which would cause the CF instances to reload and consequently cause the entire VPC to reload, resulting in the disconnection of all subscribers and a DoS condition on the affected system. This vulnerability affects Cisco Virtualized Packet Core-Distributed Instance (VPC-DI) Software N4.0 through N5.5 with the Cisco StarOS operating system 19.2 through 21.3. Cisco Bug IDs: CSCve17656.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Asr 5000 Firmware | =21.1.v0.66836 | |
| Cisco Asr 5000 Firmware | =21.1.v7 | |
| Cisco Asr 5000 Firmware | =21.3.0 | |
| Cisco Asr 5000 Firmware | =21.6.0 | |
| Cisco ASR 5000 | ||
| Cisco Asr 5500 Firmware | =21.1.v0.66836 | |
| Cisco Asr 5500 Firmware | =21.1.v7 | |
| Cisco Asr 5500 Firmware | =21.3.0 | |
| Cisco Asr 5500 Firmware | =21.6.0 | |
| Cisco ASR 5500 |
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Reference Links
Frequently Asked Questions
What is CVE-2018-0117?
CVE-2018-0117 is a vulnerability in the ingress packet processing functionality of the Cisco Virtualized Packet Core-Distributed Instance (VPC-DI) Software, allowing for a denial of service attack.
How does CVE-2018-0117 affect Cisco ASR 5000 Firmware?
Cisco ASR 5000 Firmware versions 21.1.v0.66836, 21.1.v7, 21.3.0, and 21.6.0 are affected by CVE-2018-0117, potentially leading to a denial of service attack.
How does CVE-2018-0117 affect Cisco ASR 5500 Firmware?
Cisco ASR 5500 Firmware versions 21.1.v0.66836, 21.1.v7, 21.3.0, and 21.6.0 are affected by CVE-2018-0117, potentially leading to a denial of service attack.
What is the severity of CVE-2018-0117?
CVE-2018-0117 has a severity rating of 8.6 (High).
How can I fix CVE-2018-0117?
To fix CVE-2018-0117, update your Cisco ASR 5000 or ASR 5500 Firmware to a non-vulnerable version.
- collector/nvd-index
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/type
- agent/event
- agent/description
- agent/first-publish-date
- agent/softwarecombine
- agent/last-modified-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/cisco
- canonical/cisco asr 5000 firmware
- version/cisco asr 5000 firmware/21.1.v0.66836
- version/cisco asr 5000 firmware/21.1.v7
- version/cisco asr 5000 firmware/21.3.0
- version/cisco asr 5000 firmware/21.6.0
- canonical/cisco asr 5000
- canonical/cisco asr 5500 firmware
- version/cisco asr 5500 firmware/21.1.v0.66836
- version/cisco asr 5500 firmware/21.1.v7
- version/cisco asr 5500 firmware/21.3.0
- version/cisco asr 5500 firmware/21.6.0
- canonical/cisco asr 5500