Wind River VxWorks 6.9/7.0 IKE double free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
5.5$0-$5k0.00

A vulnerability classified as critical was found in Wind River VxWorks 6.9/7.0. Affected by this vulnerability is an unknown code block of the component IKE. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-415. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in VxWorks 6.9 through 7. In the IKE component, a specifically crafted packet may lead to reading beyond the end of a buffer, or a double free.

The weakness was published 11/25/2021. It is possible to read the advisory at support2.windriver.com. This vulnerability is known as CVE-2021-43268 since 11/02/2021. Access to the local network is required for this attack. The requirement for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/27/2021).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-415
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

11/02/2021 CVE assigned
11/25/2021 +23 days Advisory disclosed
11/25/2021 +0 days VulDB entry created
11/27/2021 +2 days VulDB last update

Sourcesinfoedit

Advisory: support2.windriver.com
Status: Confirmed

CVE: CVE-2021-43268 (🔒)

Entryinfoedit

Created: 11/25/2021 07:42 AM
Updated: 11/27/2021 09:41 PM
Changes: (1) source_cve_nvd_summary
Complete: 🔍

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