Cisco NX-OS/FXOS SNMP Packet Processor Memory Leak denial of service

A vulnerability was found in Cisco NX-OS and FXOS (Router Operating System) (unknown version). It has been rated as problematic. This issue affects some processing of the component SNMP Packet Processor. The manipulation as part of a SNMP Packet leads to a denial of service vulnerability (Memory Leak). Using CWE to declare the problem leads to CWE-404. Impacted is availability.

The weakness was presented 05/16/2019 as cisco-sa-20190515-nxos-snmp-do as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2019-1858 since 12/06/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/16/2019).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Vendor

• Cisco

Name

• NX-OS
• FXOS

• ?
• ?

• ?
• ?

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: ?
VulDB Reliability: ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Denial of service / Memory Leak (CWE-404)
Local: No
Remote: Yes

Availability: ?
Status: Not defined

Price Prediction: ?
Current Price Estimation: ?

Threat Intelligenceinfoedit

Threat: ?
Adversaries: ?
Geopolitics: ?
Economy: ?
Predictions: ?
Remediation: ?Recommended: no mitigation known
0-Day Time: ?12/06/2018 CVE assigned
05/16/2019 +161 days Advisory disclosed
05/16/2019 +0 days VulDB entry created
05/16/2019 +0 days VulDB last updateAdvisory: cisco-sa-20190515-nxos-snmp-do
Status: Confirmed

CVE: CVE-2019-1858 (?)

Created: 05/16/2019 02:03 PM
Complete: ?

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