Wind River VxWorks up to 7 RARP Client Reverse ARP Reply Logic access control

Summaryinfo

A vulnerability identified as critical has been detected in Wind River VxWorks 6.6/6.7/6.8/6.9/7. This affects an unknown part of the component RARP Client. This manipulation as part of Reverse ARP Reply causes access control (Logic). This vulnerability is registered as CVE-2019-12262. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Wind River VxWorks 6.6/6.7/6.8/6.9/7. It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component RARP Client. The manipulation as part of a Reverse ARP Reply leads to a access control vulnerability (Logic). The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Wind River VxWorks 6.6, 6.7, 6.8, 6.9 and 7 has Incorrect Access Control in the RARP client component. IPNET security vulnerability: Handling of unsolicited Reverse ARP replies (Logical Flaw).

The weakness was published 08/14/2019 as confirmed security advisory (Website). The advisory is shared at support2.windriver.com. This vulnerability is known as CVE-2019-12262 since 05/21/2019. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue. The advisory points out:

The RARP reception handler verifies that the packet is well formed, but fails to verify that the node has an ongoing RARP-transaction matching the received packet.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at support2.windriver.com.

Similar entry is available at VDB-139511. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Wind River

Name

• VxWorks

Version

• 6.6
• 6.7
• 6.8
• 6.9
• 7

License

• commercial

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CPE 2.2info

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Entryinfo

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

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