Cisco IOS XE up to 15.6 IKEv2 Fragmented Packet resource management

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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XE up to 15.6. It has been rated as problematic. This affects an unknown function of the component IKEv2. This manipulation as part of Fragmented Packet causes resource management. The identification of this vulnerability is CVE-2016-1344. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to implement restrictive firewalling.

Detailsinfo

A vulnerability was found in Cisco IOS XE up to 15.6 (Router Operating System). It has been declared as problematic. Affected by this vulnerability is an unknown function of the component IKEv2. The manipulation as part of a Fragmented Packet leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

The IKEv2 implementation in Cisco IOS 15.0 through 15.6 and IOS XE 3.3 through 3.17 allows remote attackers to cause a denial of service (device reload) via fragmented packets, aka Bug ID CSCux38417.

The weakness was shared 03/26/2016 with Cisco as CSCux38417 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2016-1344 since 01/04/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 90355 (Cisco IOS IKEv2 Fragmentation DoS (cisco-sa-20160323-ios-ikev2)), 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 c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43492 (Cisco IOS Software Internet Key Exchange Version 2 Fragmentation Denial of Service Vulnerability (cisco-sa-20160323-ios-ikev2)).

Proper firewalling of is able to address this issue. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (90355), SecurityFocus (BID 85311†) and Vulnerability Center (SBV-57702†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.9
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90355
Nessus Name: Cisco IOS IKEv2 Fragmentation DoS (cisco-sa-20160323-ios-ikev2)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103403
OpenVAS Name: Cisco IOS and IOS XE Software Internet Key Exchange Version 2 Fragmentation Denial of Service Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/04/2016 🔍
03/23/2016 +79 days 🔍
03/23/2016 +0 days 🔍
03/23/2016 +0 days 🔍
03/24/2016 +1 days 🔍
03/24/2016 +0 days 🔍
03/26/2016 +1 days 🔍
03/27/2016 +1 days 🔍
04/06/2016 +10 days 🔍
10/15/2024 +3114 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: CSCux38417
Organization: Cisco
Status: Confirmed

CVE: CVE-2016-1344 (🔍)
GCVE (CVE): GCVE-0-2016-1344
GCVE (VulDB): GCVE-100-81529

OVAL: 🔍

SecurityFocus: 85311 - Cisco IOS and IOS XE Software CVE-2016-1344 Denial of Service Vulnerability
SecurityTracker: 1035382
Vulnerability Center: 57702 - [cisco-sa-20160323-ios-ikev2] Cisco IOS, IOS XE Remote DoS via Crafted IKEv2 Packet, High

scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 03/27/2016 19:14
Updated: 10/15/2024 12:37
Changes: 03/27/2016 19:14 (72), 02/02/2019 11:40 (13), 07/11/2022 14:46 (2), 10/15/2024 12:37 (16)
Complete: 🔍
Cache ID: 216:B23:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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