First published: Sat Apr 12 2014(Updated: )
Cisco ONS 15454 controller cards with software 9.6 and earlier allow remote attackers to cause a denial of service (flash write outage) via a TCP FIN attack that triggers file-descriptor exhaustion, aka Bug ID CSCug97315.
Credit: ykramarz@cisco.com
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco ONS 15454 firmware | <=9.6 | |
Cisco ONS 15454 firmware | =9.0 | |
Cisco ONS 15454 firmware | =9.1 | |
Cisco ONS 15454 firmware | =9.2 | |
Cisco ONS 15454 firmware | =9.2.1 | |
Cisco ONS 15454 firmware | =9.2.2 | |
Cisco ONS 15454 firmware | =9.3 | |
Cisco ONS 15454 firmware | =9.4 | |
Cisco ONS 15454 MSTP |
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CVE-2014-2139 has a moderate severity rating due to its capacity to cause a denial of service.
To mitigate CVE-2014-2139, upgrade the Cisco ONS 15454 system software to version 9.7 or later.
CVE-2014-2139 enables remote attackers to perform a TCP FIN attack that leads to file-descriptor exhaustion.
Cisco ONS 15454 systems running software version 9.6 and earlier are affected by CVE-2014-2139.
Exploiting CVE-2014-2139 can result in a denial of service, hindering system operations.