OS Command Injection in Vim Vim

1) OS Command Injection

EUVDB-ID: #VU30281

Risk: Low

CVSSv3.1: 4.6 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-20807

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a local authenticated user to read and manipulate data.

In Vim before 8.1.0881, users can circumvent the rvim restricted mode and execute arbitrary OS commands via scripting interfaces (e.g., Python, Ruby, or Lua).

Mitigation

Install update from vendor's website.

Vulnerable software versions

Vim: 8.1.0000 - 8.1.0880

External links

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00018.html
http://github.com/vim/vim/commit/8c62a08faf89663e5633dc5036cd8695c80f1075
http://github.com/vim/vim/releases/tag/v8.1.0881
http://support.apple.com/kb/HT211289

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website or open a file.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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