Cisco IOS XR up to 5.3.2 Local Packet Transport Services input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability was found in Cisco IOS XR up to 5.3.2 (Router Operating System). It has been declared as problematic. This vulnerability affects an unknown part of the component Local Packet Transport Services. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. As an impact it is known to affect availability. CVE summarizes:
Cisco IOS XR through 5.3.2 mishandles Local Packet Transport Services (LPTS) mishandles flow-base entries, which allows remote attackers to cause a denial of service (session drop) by making many connection attempts to open TCP ports, aka Bug ID CSCux95576.
The weakness was disclosed 05/25/2016 as CSCux95576 as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability was named CVE-2016-1407 since 01/04/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.
The vulnerability scanner Nessus provides a plugin with the ID 91321 (Cisco IOS XR < 6.1.1 on ASR 9000 LPTS DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context l.
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (91321).
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍
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Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Nessus ID: 91321
Nessus Name: Cisco IOS XR < 6.1.1 on ASR 9000 LPTS DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 103403
OpenVAS Name: Cisco IOS XR LPTS Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
01/04/2016 🔍05/19/2016 🔍
05/24/2016 🔍
05/25/2016 🔍
05/25/2016 🔍
05/26/2016 🔍
08/22/2022 🔍
Sources
Vendor: cisco.comAdvisory: CSCux95576
Status: Confirmed
CVE: CVE-2016-1407 (🔍)
SecurityTracker: 1035934
scip Labs: https://www.scip.ch/en/?labs.20150108
Entry
Created: 05/26/2016 09:41Updated: 08/22/2022 09:54
Changes: 05/26/2016 09:41 (69), 12/14/2018 10:07 (3), 08/22/2022 09:54 (4)
Complete: 🔍
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