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 privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. 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. The MITRE ATT&CK project declares the attack technique as T1068.

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.

Productinfo

Type

• Router Operating System

Vendor

• Cisco

Name

• Router

Version

• 8.2
• 8.3
• 9.0
• 9.1
• 9.17

License

• commercial

Support

• end of life (old version)

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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