#VU50414 Out-of-bounds read in Cscape


Published: 2021-02-08 | Updated: 2021-02-09

Vulnerability identifier: #VU50414

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-22663

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cscape
Universal components / Libraries / Software for developers

Vendor:

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when parsing project files. A remote attacker can create a specially crafted CSP files, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

Note: An attacker can leverage this vulnerability to execute code in the context of the current process. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://ics-cert.us-cert.gov/advisories/icsa-21-035-02
http://www.zerodayinitiative.com/advisories/ZDI-21-158/


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