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Vulnerability of Wind River VxWorks: use after free via tftp

Synthesis of the vulnerability 

An attacker can force the usage of a freed memory area via tftp of Wind River VxWorks, in order to trigger a denial of service, and possibly to run code.
Vulnerable systems: VxWorks.
Severity of this threat: 2/4.
Creation date: 28/04/2020.
Références of this weakness: CVE-2020-10647-REJECT, VIGILANCE-VUL-32114.

Description of the vulnerability 

An attacker can force the usage of a freed memory area via tftp of Wind River VxWorks, in order to trigger a denial of service, and possibly to run code.
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This computer threat alert impacts software or systems such as VxWorks.

Our Vigil@nce team determined that the severity of this weakness announce is medium.

The trust level is of type confirmed by the editor, with an origin of intranet server.

An attacker with a expert ability can exploit this computer weakness bulletin.

Solutions for this threat 

Wind River VxWorks 7: patch for tftp.
A patch is available:
  https://support2.windriver.com/index.php?page=defects&on=view&id=V7NET-2738
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