Remote code execution in Vim



Published: 2022-03-31
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-1154
CWE-ID CWE-416
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Vim
Client/Desktop applications / Office applications

Vendor Vim.org

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU61763

Risk: High

CVSSv3.1:

CVE-ID: CVE-2022-1154

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the utf_ptr2char() function in regexp_bt.c. A remote attacker can trick the victim to open a specially crafted file, trigger a use-after-free error and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Vim: 8.2.0 - 8.2.4645


CPE2.3 External links

http://huntr.dev/bounties/7f0ec6bc-ea0e-45b0-8128-caac72d23425
http://github.com/vim/vim/commit/b55986c52d4cd88a22d0b0b0e8a79547ba13e1d5

Q & A

Can this vulnerability be exploited remotely?

How the attacker can exploit this vulnerability?

Is there known malware, which exploits this vulnerability?



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