#VU35870 Integer overflow in VxWorks


Published: 2019-05-29 | Updated: 2020-08-08

Vulnerability identifier: #VU35870

Vulnerability risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-9865

CWE-ID: CWE-190

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
VxWorks
Operating systems & Components / Operating system

Vendor: Wind River Systems, Inc.

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

When RPC is enabled in Wind River VxWorks 6.9 prior to 6.9.1, a specially crafted RPC request can trigger an integer overflow leading to an out-of-bounds memory copy. It may allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code.

Mitigation
Install update from vendor's website.

Vulnerable software versions

VxWorks: 6.6 - 6.8


External links
http://support2.windriver.com/index.php?page=security-notices
http://www.windriver.com/feeds/wind_river_security_notices.xml


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability