Cisco Router 8.2/8.3/9.0/9.1/9.17 IP Source Routed Packet privileges management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

A vulnerability was found in Cisco Router 8.2/8.3/9.0/9.1/9.17 (Router Operating System). It has been declared as critical. This vulnerability affects an unknown part of the component IP Source Routed Packet Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-269. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

cisco routers 9.17 and earlier allow remote attackers to bypass security restrictions via certain ip source routed packets that should normally be denied using the "no ip source-route" command.

The weakness was published 04/22/1993 as CA-1993-07 as confirmed advisory (CERT.org). The advisory is shared for download at cert.org. This vulnerability was named CVE-1999-1216. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 8.3.8, 9.0.5, 9.1.4 or 9.17.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (541). Additional details are provided at ciac.llnl.gov.

Productinfoedit

Type

Router Operating System

Vendor

Cisco

Name

Router

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-269
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Router 8.3.8/9.0.5/9.1.4/9.17.3

Timelineinfoedit

04/22/1993 🔍
04/22/1993 +0 days 🔍
04/22/1993 +0 days 🔍
06/17/2014 +7726 days 🔍
01/13/2018 +1306 days 🔍

Sourcesinfoedit

Vendor: https://www.cisco.com/

Advisory: CA-1993-07
Status: Confirmed

CVE: CVE-1999-1216 (🔍)
X-Force: 541

Misc.: 🔍

Entryinfoedit

Created: 06/17/2014 12:43 PM
Updated: 01/13/2018 12:44 PM
Changes: (6) vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai
Complete: 🔍