Cisco IOS 15.1/15.2/15.3/15.4/15.5 DHCPv6 Relay Message resource management

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

A vulnerability classified as critical has been found in Cisco IOS 15.1/15.2/15.3/15.4/15.5 (Router Operating System). This affects some unknown functionality of the component DHCPv6 Relay Message Handler. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:

Cisco IOS 15.0 through 15.5 and IOS XE 3.3 through 3.16 allow remote attackers to cause a denial of service (device reload) via a crafted DHCPv6 Relay message, aka Bug ID CSCus55821.

The weakness was released 03/26/2016 with Cisco as CSCus55821 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is uniquely identified as CVE-2016-1348 since 01/04/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 90354 (Cisco IOS XE DHCPv6 Relay Message Handling DoS (cisco-sa-20160323-dhcpv6)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43493 (Cisco IOS Software DHCPv6 Relay Denial of Service Vulnerability ( cisco-sa-20160323-dhcpv6)).

It is possible to mitigate the weakness by firewalling . 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 (90354), SecurityFocus (BID 85310†) and Vulnerability Center (SBV-57701†). Entries connected to this vulnerability are available at VDB-81534, VDB-81532 and VDB-81530. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.5
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90354
Nessus Name: Cisco IOS XE DHCPv6 Relay Message Handling DoS (cisco-sa-20160323-dhcpv6)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103403
OpenVAS Name: Cisco IOS and IOS XE Software DHCPv6 Relay 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: CSCus55821
Organization: Cisco
Status: Confirmed

CVE: CVE-2016-1348 (🔍)
OVAL: 🔍

SecurityFocus: 85310 - Cisco IOS and IOS XE Software CVE-2016-1348 Denial of Service Vulnerability
SecurityTracker: 1035381
Vulnerability Center: 57701 - [cisco-sa-20160323-dhcpv6] Cisco IOS, IOS XE Remote DoS due to Issue in Validation of DHCPv6, High

See also: 🔍

Entryinfo

Created: 03/27/2016 07:14 PM
Updated: 10/15/2024 09:33 AM
Changes: 03/27/2016 07:14 PM (72), 02/02/2019 11:39 AM (13), 07/11/2022 02:53 PM (3), 10/15/2024 09:33 AM (16)
Complete: 🔍
Cache ID: 18:51C:40

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