#VU30281 OS Command Injection in Vim - CVE-2019-20807

Vulnerability identifier: #VU30281

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-20807

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: No

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

Vendor: Vim.org

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

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

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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.

Is there known malware, which exploits this vulnerability?

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