CVE-2017-6633: Buffer Overflow
First published: Mon May 22 2017(Updated: )
A vulnerability in the TCP throttling process of Cisco UCS C-Series Rack Servers 3.0(0.234) could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient rate-limiting protection. An attacker could exploit this vulnerability by sending a high rate of TCP SYN packets to a specific TCP listening port on an affected device. An exploit could allow the attacker to cause a specific TCP listening port to stop accepting new connections, resulting in a DoS condition. Cisco Bug IDs: CSCva65544.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Unified Computing System software | =3.0\(0.234\) | |
| Cisco UCS C220 M4 Rack Server | ||
| Cisco UCS C240 M4 | ||
| Cisco UCS C3160 | ||
| Cisco UCS C460 M4 Rack Server |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-6633?
The severity of CVE-2017-6633 is classified as high, as it could allow an unauthenticated, remote attacker to cause a denial of service.
How do I fix CVE-2017-6633?
To fix CVE-2017-6633, it is recommended to update to a version of Cisco UCS C-Series Rack Servers that includes patched software addressing this vulnerability.
What causes CVE-2017-6633?
CVE-2017-6633 is caused by insufficient rate-limiting protection in the TCP throttling process of affected Cisco UCS C-Series Rack Servers.
Is my device affected by CVE-2017-6633?
Devices using Cisco Unified Computing System software version 3.0(0.234) are affected by CVE-2017-6633.
Can CVE-2017-6633 be exploited remotely?
Yes, CVE-2017-6633 can be exploited remotely by an unauthenticated attacker to trigger a denial of service condition.
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- version/cisco unified computing system software/3.0\(0.234\)
- canonical/cisco ucs c220 m4 rack server
- canonical/cisco ucs c240 m4
- canonical/cisco ucs c3160
- canonical/cisco ucs c460 m4 rack server