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 (card reset) via a TCP FIN attack that triggers file-descriptor exhaustion and a failure to open a CAL pipe, aka Bug ID CSCug97348.
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-2014-2140 is a denial of service vulnerability that can significantly disrupt the normal operation of Cisco ONS 15454 controller cards.
To fix CVE-2014-2140, upgrade to a Cisco ONS 15454 system software version later than 9.6.
CVE-2014-2140 affects all Cisco ONS 15454 controller cards running software version 9.6 or earlier.
CVE-2014-2140 can be exploited via a TCP FIN attack that leads to file-descriptor exhaustion.
Exploitation of CVE-2014-2140 may result in a denial of service condition, causing the affected card to reset.