#VU20922 Memory corruption in Crimson


Published: 2019-09-06

Vulnerability identifier: #VU20922

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Crimson
Client/Desktop applications / Software for system administration

Vendor: Red Lion Controls

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when when parsing CD31 files. A remote unauthenticated attacker can trick the user to open a specially crafted file, trigger buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Crimson: 3.0.207 - 3111.000


External links
http://ics-cert.us-cert.gov/advisories/icsa-19-248-01
http://www.zerodayinitiative.com/advisories/ZDI-19-793/


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